Wikipedia

Intel Graphics Technology

(Redirected from Intel Iris)

Intel Graphics Technology[4] (GT)[a] is the collective name for a series of integrated graphics processors (IGPs) produced by Intel that are manufactured on the same package or die as the central processing unit (CPU). It was first introduced in 2010 as Intel HD Graphics and renamed in 2017 as Intel UHD Graphics.

Intel Graphics Technology
Intel Graphics logo
Logo since 2023
Manufactured byIntel and TSMC
Designed byIntel
Marketed byIntel
API support
DirectX
OpenCLDepending on version (see capabilities)[1]
OpenGLOpenGL 2.1+ (see capabilities)[1][2][3]
VulkanDepending on version
History
PredecessorIntel GMA
Support status
Supported
Core i5 processor with integrated HD Graphics 2000

Intel Iris Graphics and Intel Iris Pro Graphics are the IGP series introduced in 2013 with some models of Haswell processors as the high-performance versions of HD Graphics. Iris Pro Graphics was the first in the series to incorporate embedded DRAM.[5] Since 2016 Intel refers to the technology as Intel Iris Plus Graphics with the release of Kaby Lake.

In the fourth quarter of 2013, Intel integrated graphics represented, in units, 65% of all PC graphics processor shipments.[6] However, this percentage does not represent actual adoption as a number of these shipped units end up in systems with discrete graphics cards.

History

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Before the introduction of Intel HD Graphics, Intel integrated graphics were built into the motherboard's northbridge, as part of the Intel's Hub Architecture. They were known as Intel Extreme Graphics and Intel GMA. As part of the Platform Controller Hub (PCH) design, the northbridge was eliminated and graphics processing was moved to the same die as the central processing unit (CPU).

The previous Intel integrated graphics solution, Intel GMA, had a reputation of lacking performance and features, and therefore was not considered to be a good choice for more demanding graphics applications, such as 3D gaming. The performance increases brought by Intel's HD Graphics made the products competitive with integrated graphics adapters made by its rivals, Nvidia and ATI/AMD.[7] Intel HD Graphics, featuring minimal power consumption that is important in laptops, was capable enough that PC manufacturers often stopped offering discrete graphics options in both low-end and high-end laptop lines, where reduced dimensions and low power consumption are important.

Generations

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See also: List of Intel graphics processing units

Intel HD and Iris Graphics are divided into generations, and within each generation are divided into 'tiers' of increasing performance, denominated by the 'GTx' label. Each generation corresponds to the implementation of a Gen[8] graphics microarchitecture with a corresponding GEN instruction set architecture[9][10][11] since Gen4.[12]

Gen5 architecture

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Westmere

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In January 2010, Clarkdale and Arrandale processors with Ironlake graphics were released, and branded as Celeron, Pentium, or Core with HD Graphics. There was only one specification:[13] 12 execution units, up to 43.2 GFLOPS at 900 MHz. It can decode a H.264 1080p video at up to 40 fps.

Its direct predecessor, the GMA X4500, featured 10 EUs at 800 MHz, but it lacked some capabilities.[14]

Model number Execution units Shading units Base clock (MHz) Boost clock (MHz) GFLOPS (FP32)
HD Graphics 12 24 500 900 24.0–43.2

Gen6 architecture

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Sandy Bridge

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In January 2011, the Sandy Bridge processors were released, introducing the "second generation" HD Graphics:

Model number Tier Execution units Boost clock
(MHz) 		Max GFLOPS
FP16 FP32 FP64
HD Graphics GT1 6 1000 192 96 24
HD Graphics 2000 1350 259 129.6 32
HD Graphics 3000 GT2 12 1350 518 259.2 65

Sandy Bridge Celeron and Pentium have Intel HD, while Core i3 and above have either HD 2000 or HD 3000. HD Graphics 2000 and 3000 include hardware video encoding and HD postprocessing effects.

Gen7 architecture

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Ivy Bridge

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On 24 April 2012, Ivy Bridge was released, introducing the "third generation" of Intel's HD graphics:[15]

Model number Tier Execution units Shading units Boost clock (MHz) Max GFLOPS (FP32)
HD Graphics [Mobile] GT1 6 48 1050 100.8
HD Graphics 2500 1150 110.4
HD Graphics 4000 GT2 16 128 1300 332.8
HD Graphics P4000 GT2 16 128 1300 332.8

Ivy Bridge Celeron and Pentium have Intel HD, while Core i3 and above have either HD 2500 or HD 4000. HD Graphics 2500 and 4000 include hardware video encoding and HD postprocessing effects.

For some low-power mobile CPUs there is limited video decoding support, while none of the desktop CPUs have this limitation. HD P4000 is featured on the Ivy Bridge E3 Xeon processors with the 12X5 v2 descriptor, and supports unbuffered ECC RAM.

Gen7.5 architecture

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Haswell

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Intel Haswell i7-4771 CPU, which contains integrated HD Graphics 4600 (GT2)

In June 2013, Haswell CPUs were announced, with four tiers of integrated GPUs:

Model number Tier Execution
units 		Shading
units 		eDRAM
(MB) 		Boost clock
(MHz) 		Max GFLOPS
FP16 FP32 FP64
Consumer
HD Graphics GT1 10 80 N/A 1150 384 192 48
HD Graphics 4200 GT2 20 160 850 544 272 68
HD Graphics 4400 950–1150 608-736 304–368 76-92
HD Graphics 4600 900–1350 576-864 288–432 72-108
HD Graphics 5000 GT3 40 320 1000–1100 1280-1408 640–704 160-176
Iris Graphics 5100 1100–1200 1408-1536 704–768 176-192
Iris Pro Graphics 5200 GT3e 128 1300 1280-1728 640-864 160-216
Professional
HD Graphics P4600 GT2 20 160 N/A 1200–1250 768-800 384–400 96-100
HD Graphics P4700 1250–1300 800-832 400–416 100-104

The 128 MB of eDRAM in the Iris Pro GT3e is in the same package as the CPU, but on a separate die manufactured in a different process. Intel refers to this as a Level 4 cache, available to both CPU and GPU, naming it Crystalwell. The Linux drm/i915 driver is aware and capable of using this eDRAM since kernel version 3.12.[16][17][18]

Gen8 architecture

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Broadwell

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In November 2013, it was announced that Broadwell-K desktop processors (aimed at enthusiasts) would also carry Iris Pro Graphics.[19]

The following models of integrated GPU are announced for Broadwell processors:[20][better source needed]

Model number Tier Execution
units 		Shading
units 		eDRAM
(MB) 		Boost clock
(MHz) 		Max
GFLOPS (FP32)
Consumer
HD Graphics GT1 12 96 — 850 163.2
HD Graphics 5300 GT2 24 192 900 345.6
HD Graphics 5500 950 364.8
HD Graphics 5600 1050 403.2
HD Graphics 6000 GT3 48 384 1000 768
Iris Graphics 6100 1100 844.8
Iris Pro Graphics 6200 GT3e 128 1150 883.2
Professional
HD Graphics P5700 GT2 24 192 – 1000 384
Iris Pro Graphics P6300 GT3e 48 384 128 1150 883.2

Braswell

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Model number CPU
model 		Tier Execution
units 		Clock speed
(MHz)
HD Graphics 400 E8000 GT1 12 320
N30xx 320–600
N31xx 320–640
J3xxx 320–700
HD Graphics 405 N37xx 16 400–700
J37xx 18 400–740

Gen9 architecture

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Skylake

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The Skylake line of processors, launched in August 2015, retires VGA support, while supporting multi-monitor setups of up to three monitors connected via HDMI 1.4, DisplayPort 1.2 or Embedded DisplayPort (eDP) 1.3 interfaces.[21][22]

The following models of integrated GPU are available or announced for the Skylake processors:[23][24][better source needed]

Model number Tier Execution
units 		Shading
units 		eDRAM
(MB) 		Boost clock
(MHz) 		Max
GFLOPS (FP32)
Consumer
HD Graphics 510 GT1 12 96 — 1050 201.6
HD Graphics 515 GT2 24 192 1000 384
HD Graphics 520 1050 403.2
HD Graphics 530 1150[21] 441.6
Iris Graphics 540 GT3e 48 384 64 1050 806.4
Iris Graphics 550 1100 844.8
Iris Pro Graphics 580 GT4e 72 576 128 1000 1152
Professional
HD Graphics P530 GT2 24 192 – 1150 441.6
Iris Pro Graphics P555 GT3e 48 384 128 1000[25] 768
Iris Pro Graphics P580 GT4e 72 576 1000 1152

Apollo Lake

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The Apollo Lake line of processors was launched in August 2016.

Model number CPU
model 		Tier Execution
units 		Shading
units 		Clock speed
(MHz)
HD Graphics 500 E3930 GT1 12 96 400 – 550
E3940 400–600
N3350 200–650
N3450 200–700
J3355 250–700
J3455 250–750
HD Graphics 505 E3950 18 144 500–650
N4200 200–750
J4205 250–800

Gen9.5 architecture

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Kaby Lake

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The Kaby Lake line of processors was introduced in August 2016. New features: speed increases, support for 4K UHD "premium" (DRM encoded) streaming services, media engine with full hardware acceleration of 8- and 10-bit HEVC and VP9 decode.[26][27]

Model number Tier Execution
units 		Shading
units 		eDRAM
(MB) 		Base clock
(MHz) 		Boost clock
(MHz) 		Max
GFLOPS (FP32) 		Used in
Consumer
HD Graphics 610 GT1 12 96 — 300−350 900−1100 172.8–211.2 Desktop Celeron, Desktop Pentium G4560, i3-7101
HD Graphics 615 GT2 24 192 300 900 – 1050 345.6 – 403.2 m3-7Y30/32, i5-7Y54/57, i7-7Y75, Pentium 4415Y
HD Graphics 620 1000–1050 384–403.2 i3-7100U, i5-7200U, i5-7300U, i7-7500U, i7-7600U
HD Graphics 630 350 1000–1150 384−441.6 Desktop Pentium G46**, i3, i5 and i7, and Laptop H-series i3, i5 and i7
Iris Plus Graphics 640 GT3e 48 384 64 300 950–1050 729.6−806.4 i5-7260U, i5-7360U, i7-7560U, i7-7660U
Iris Plus Graphics 650 1050–1150 806.4−883.2 i3-7167U, i5-7267U, i5-7287U, i7-7567U
Professional
HD Graphics P630 GT2 24 192 – 350 1000–1150 384−441.6 Xeon E3-**** v6

Kaby Lake Refresh / Amber Lake / Coffee Lake / Coffee Lake Refresh / Whiskey Lake / Comet Lake

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The Kaby Lake Refresh line of processors was introduced in October 2017. New features: HDCP 2.2 support[28]

Model number Tier Execution
units 		Shading
units 		eDRAM
(MB) 		Base clock
(MHz) 		Boost clock
(MHz) 		Max
GFLOPS (FP32) 		Used in
Consumer
UHD Graphics 610 GT1 12 96 – 350 1050 201.6 Pentium Gold G54**, Celeron G49**

i5-10200H

UHD Graphics 615 GT2 24 192 300 900–1050 345.6–403.2 i7-8500Y, i5-8200Y, m3-8100Y
UHD Graphics 617 1050 403.2 i7-8510Y, i5-8310Y, i5-8210Y
UHD Graphics 620 1000–1150 422.4–441.6 i3-8130U, i5-8250U, i5-8350U, i7-8550U, i7-8650U, i3-8145U, i5-8265U, i5-8365U, i7-8565U, i7-8665U

i3-10110U, i5-10210U, i5-10310U, i7-10510U i7-10610U i7-10810U

UHD Graphics 630 23[29] 184 350 1100–1150 404.8–423.2 i3-8350K, i3-8100 with stepping B0
24 192 1050–1250 403.2–480 i9, i7, i5, i3, Pentium Gold G56**, G55**

i5-10300H, i5-10400H, i5-10500H, i7-10750H, i7-10850H, i7-10870H, i7-10875H, i9-10885H, i9-10980HK

Iris Plus Graphics 645 GT3e 48 384 128 300 1050–1150 806.4-883.2 i7-8557U, i5-8257U
Iris Plus Graphics 655 1050–1200 806.4–921.6 i7-8559U, i5-8269U, i5-8259U, i3-8109U
Professional
UHD Graphics P630 GT2 24 192 – 350 1100–1200 422.4–460.8 Xeon E 21**G, 21**M, 22**G, 22**M, Xeon W-108**M

Gemini Lake/Gemini Lake Refresh

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New features: HDMI 2.0 support, VP9 10-bit Profile2 hardware decoder[30]

Model number Tier Execution
units 		Shading
units 		CPU
model 		Clock speed
(MHz) 		GFLOPS (FP32)
UHD Graphics 600 GT1 12 96 N4000 200–650 38.4–124.8
N4100 200–700 38.4–134.4
J4005 250–700 48.0–134.4
J4105 250–750 48.0–144.0
J4125 250–750 48.0–144.0
UHD Graphics 605 GT1.5 18 N5000 200–750 57.6–216
J5005 250–800 72.0–230.4

Gen11 architecture

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Ice Lake

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New features: 10 nm Gen 11 GPU microarchitecture, two HEVC 10-bit encode pipelines, three 4K display pipelines (or 2× 5K60, 1× 4K120), variable rate shading (VRS),[31][32][33] and integer scaling.[34]

While the microarchitecture continues to support double-precision floating-point as previous versions did, the mobile configurations of it do not include the feature and therefore on these it is supported only through emulation.[35]

Name Tier Execution
units 		Shading
units 		Base clock
(MHz) 		Boost clock
(MHz) 		GFLOPS Used in
FP16 FP32 FP64
Consumer
UHD Graphics G1 32 256 300 900–1050 921.6–1075.2

[36]

460.8–537.6 115.2 Core i3-10**G1, i5-10**G1
Iris Plus Graphics G4 48 384 300 900–1050 1382.4–1612.8[36] 691.2–806.4 96-202 Core i3-10**G4, i5-10**G4
G7 64 512 300 1050–1100 2150.4–2252.8[36] 1075.2–1126.4 128-282 Core i5-10**G7, i7-10**G7

Xe-LP architecture (Gen12)

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Main article: Intel Xe

Model Process Execution
units 		Shading
units 		Max boost clock
(MHz) 		Processing power (GFLOPS) Notes
FP16 FP32 FP64 INT8
Intel UHD Graphics 730 Intel 14++ nm 24 192 1200–1300 922–998 461–499 — 1843–1997 Used in Rocket Lake-S
Intel UHD Graphics 750 32 256 1200–1300 1228–1332 614–666 2457–2662
Intel UHD Graphics P750 32 256 1300 1332 666 2662 Used in Xeon W-1300 series
Intel UHD Graphics 710 Intel 7
(previously 10ESF) 		16 128 1300–1350 666–692 333–346 1331–1382 Used in Alder Lake-S/HX &
Raptor Lake-S/HX/S-R/HX-R
Intel UHD Graphics 730 24 192 1400–1450 1076–1114 538–557 2150–2227
Intel UHD Graphics 770 32 256 1450–1550 1484–1588 742–794 2970–3174
Intel UHD Graphics for 11th Gen Intel Processors Intel 10SF 32 256 1400–1450 1434–1484 717–742 2867–2970 Used in Tiger Lake-H
Intel UHD Graphics for 11th Gen Intel Processors G4 48 384 1100–1250 1690–1920 845–960 3379–3840 Used in Tiger Lake-U
Iris Xe Graphics G7 80 640 1100–1300 2816–3328 1408–1664 5632–6656
Iris Xe Graphics G7 96 768 1050–1450 3379–4454 1690–2227 6758–8909
Intel UHD Graphics for 12th Gen Intel Processors
Intel UHD Graphics for 13th Gen Intel Processors 		Intel 7
(previously 10ESF) 		48 384 700–1200 1075–1843 538–922 2151–3686 Used in Alder Lake-H/P/U &
Raptor Lake-H/P/U
Intel UHD Graphics for 12th Gen Intel Processors
Intel UHD Graphics for 13th Gen Intel Processors
Intel Graphics[37] 		64 512 850–1400 1741–2867 870–1434 3482–5734
Iris Xe Graphics
Intel Graphics[38] 		80 640 900–1400 2304–3584 1152–1792 4608–7168
Iris Xe Graphics
Intel Graphics[39] 		96 768 900–1450 2765–4454 1382–2227 5530–8909

These are based on the Intel Xe-LP microarchitecture, the low power variant of the Intel Xe GPU architecture[40] also known as Gen 12.[41][42] New features include Sampler Feedback,[43] Dual Queue Support,[43] DirectX12 View Instancing Tier2,[43] and AV1 8-bit and 10-bit fixed-function hardware decoding.[44] Support for FP64 was removed.[45]

Arc Alchemist Tile GPU (Gen12.7)

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Intel Meteor Lake and Arrow Lake[46] will use Intel Arc Alchemist Tile GPU microarchitecture.[47][48]

New features: DirectX 12 Ultimate Feature Level 12_2 support, 8K 10-bit AV1 hardware encoder, HDMI 2.1 48Gbps native support[49]

Meteor Lake

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Model Execution units Shading units Max boost clock (MHz) GFLOPS (FP32)
Arc Graphics 48EU Mobile 48 384 1800 1382
Arc Graphics 64EU Mobile 64 512 1750–2000 1792
Arc Graphics 112EU Mobile 112 896 2200 3942
Arc Graphics 128EU Mobile 128 1024 2200-2350 4608

Arc Battlemage Tile GPU

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Intel Lunar Lake[46] will use Intel Arc Battlemage Tile GPU microarchitecture.[50]

Features

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Intel Insider

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Beginning with Sandy Bridge, the graphics processors include a form of digital copy protection and digital rights management (DRM) called Intel Insider, which allows decryption of protected media within the processor.[51][52] Previously there was a similar technology called Protected Audio Video Path (PAVP).

HDCP

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Intel Graphics Technology supports the HDCP technology, but the actual HDCP support depends on the computer's motherboard.[citation needed]

Intel Quick Sync Video

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Main article: Intel Quick Sync Video

Intel Quick Sync Video is Intel's hardware video encoding and decoding technology, which is integrated into some of the Intel CPUs. The name "Quick Sync" refers to the use case of quickly transcoding ("syncing") a video from, for example, a DVD or Blu-ray Disc to a format appropriate to, for example, a smartphone. Quick Sync was introduced with the Gen 6 in Sandy Bridge microprocessors on 9 January 2011.

Graphics Virtualization Technology

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Graphics Virtualization Technology (GVT) was announced 1 January 2014 and introduced at the same time as Intel Iris Pro. Intel integrated GPUs support the following sharing methods:[53][54]

  • Direct passthrough (GVT-d): the GPU is available for a single virtual machine without sharing with other machines
  • Paravirtualized API forwarding (GVT-s): the GPU is shared by multiple virtual machines using a virtual graphics driver; few supported graphics APIs (OpenGL, DirectX), no support for GPGPU
  • Full GPU virtualization (GVT-g): the GPU is shared by multiple virtual machines (and by the host machine) on a time-sharing basis using a native graphics driver; similar to AMD's MxGPU and Nvidia's vGPU, which are available only on professional line cards (Radeon Pro and Nvidia Quadro)
  • Full GPU virtualization in hardware (SR-IOV): The gpu can be partitioned and used/shared by multiple virtual machines and the host with support built-in hardware, unlike GVT-g that does this in software(driver).[55]

Gen9 (i.e. Graphics powering 6th through 9th generation Intel processors) is the last generation of the software-based vGPU solution GVT-G (Intel® Graphics Virtualization Technology –g). SR-IOV (Single Root IO Virtualization) is supported only on platforms with 11th Generation Intel® Core™ "G" Processors (products formerly known as Tiger Lake) or newer. This leaves Rocket Lake (11th Gen Intel Processors) without support for GVT-g and/or SR-IOV. This means Rocket Lake has no full virtualization support.[56] Started from 12th Generation Intel® Core™ Processors, both desktop and laptop Intel CPUs have GVT-g and SR-IOV support.

Multiple monitors

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See also: Multi-monitor and Digital Visual Interface § Clock and data relationship

Ivy Bridge

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HD 2500 and HD 4000 GPUs in Ivy Bridge CPUs are advertised as supporting three active monitors, but this only works if two of the monitors are configured identically, which covers many[57] but not all three-monitor configurations. The reason for this is that the chipsets only include two phase-locked loops (PLLs) for generating the pixel clocks timing the data being transferred to the displays.[58]

Therefore, three simultaneously active monitors can only be achieved when at least two of them share the same pixel clock, such as:

  • Using two or three DisplayPort connections, as they require only a single pixel clock for all connections.[59] Passive adapters from DisplayPort to some other connector do not count as a DisplayPort connection, as they rely on the chipset being able to emit a non-DisplayPort signal through the DisplayPort connector. Active adapters that contain additional logic to convert the DisplayPort signal to some other format count as a DisplayPort connection.
  • Using two non-DisplayPort connections of the same connection type (for example, two HDMI connections) and the same clock frequency (like when connected to two identical monitors at the same resolution), so that a single unique pixel clock can be shared between both connections.[57]

Another possible three-monitor solution uses the Embedded DisplayPort on a mobile CPU (which does not use a chipset PLL at all) along with any two chipset outputs.[59]

Haswell

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ASRock Z87- and H87-based motherboards support three displays simultaneously.[60] Asus H87-based motherboards are also advertised to support three independent monitors at once.[61]

Capabilities (GPU hardware)

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Micro-
architecture – Socket		 Brand Graphics Vulkan OpenGL Direct3D HLSL shader model OpenCL
Core Xeon Pentium Celeron Gen Graphics brand Linux Windows Linux Windows Linux Windows Linux Windows
Westmere – 1156 i3/5/7-xxx — (G/P)6000 and U5000 P4000 and U3000 5.5th[62] HD — 2.1 — 10.1[1] 4.1 —
Sandy Bridge – 1155 i3/5/7-2000 E3-1200 (B)900, (G)800 and (G)600 (B)800, (B)700, G500 and G400 6th[63] HD 3000 and 2000 3.3[64] 3.1[1]
Ivy Bridge - 1155 i3/5/7-3000 E3-1200 v2 (G)2000 and A1018 G1600, 1000 and 900 7th[65][66] HD 4000 and 2500 4.2[67] 4.0[1][68] 11.0 5.0 1.2 (Beignet) 1.2[69]
Bay Trail – SoCs — — J2000, N3500 and A1020 J1000 and N2000 HD Graphics (Bay Trail)[70]
Haswell – 1150 i3/5/7-4000 E3-1200 v3 (G)3000 G1800 and 2000 7.5th[71] HD 5000, 4600, 4400 and 4200; Iris Pro 5200, Iris 5000 and 5100 4.6[72] 4.3[73] 12 (fl 11_1)[74]
Broadwell - 1150 i3/5/7-5000 E3-1200 v4 3800 3700 and 3200 8th[75] Iris Pro 6200[76] and P6300, Iris 6100[77] and HD 6000,[78] P5700, 5600,[79] 5500,[80] 5300[81] and HD Graphics (Broadwell)[82] 1.1 — 4.6[83] 4.4[1] 11[84] 1.2 (Beignet) / 2.1 (Neo)[85] 2.0
Braswell – SoCs — — N3700 N3000, N3050, N3150 HD Graphics (Braswell),[86] based on Broadwell graphics 1.2 (Beignet)
— — (J/N)3710 (J/N)3010, 3060, 3160 (rebranded)
HD Graphics 400, 405
Skylake - 1151 i3/5/7-6000 E3-1200 v5
E3-1500 v5		 (G)4000 3900 and 3800 9th HD 510, 515, 520, 530 and 535; Iris 540 and 550; Iris Pro 580 1.3 Mesa 22.1[87] 1.3[88] 4.6[89] 12 (fl 12_1) 6.0 2.0 (Beignet)[90] / 3.0 (Neo)[85]
Apollo Lake - SoCs — — (J/N)4xxx (J/N)3xxx HD Graphics 500, 505
Gemini Lake – SoCs — — Silver (J/N)5xxx (J/N)4xxx 9.5th[91] UHD 600, 605
Kaby Lake - 1151 m3/i3/5/7-7000 E3-1200 v6
E3-1500 v6		 (G)4000 (G)3900 and 3800 HD 610, 615, 620, 630, Iris Plus 640, Iris Plus 650 2.0 (Beignet)[90] / 3.0 (Neo)[85] 2.1[88]
Kaby Lake Refresh – 1151 i5/7-8000U — — — UHD 620
Whiskey Lake - 1151 i3/5/7-8000U — — —
Coffee Lake - 1151 i3/5/7/9-8000
i3/5/7/9-9000		 E-2100
E-2200		 Gold (G)5xxx (G)49xx UHD 630, Iris Plus 655
Ice Lake – 1526 i3/5/7-10xx(N)Gx — — — 11th UHD, Iris Plus 3.0 (Neo)[85]
Tiger Lake i3/5/7-11xx(N)Gx W-11xxxM Gold (G)7xxx (G)6xxx 12th Iris Xe, UHD 4.6[92] 3.0 (Neo)[85] 3.0 (Neo)

OpenCL 2.1 and 2.2 possible with software update on OpenCL 2.0 hardware (Broadwell+) with future software updates.[93]

Support in Mesa is provided by two Gallium3D-style drivers, with the Iris driver supporting Broadwell hardware and later,[94] while the Crocus driver supports Haswell and earlier.[95] The classic Mesa i965 driver was removed in Mesa 22.0, although it would continue to see further maintenance as part of the Amber branch.[96]

New OpenCL driver is Mesa RustiCL and this driver written in new language Rust is OpenCL 3.0 conformant for Intel XE Graphics with Mesa 22.3. Intel Broadwell and higher will be also conformant to 3.0 with many 2.x features. For Intel Ivy Bridge and Haswell target is OpenCL 1.2. Actual development state is available in mesamatrix.

NEO compute runtime driver supports openCL 3.0 with 1.2, 2.0 and 2.1 included for Broadwell and higher and Level Zero API 1.3 for Skylake and higher.[97]

All GVT virtualization methods are supported since the Broadwell processor family with KVM[98] and Xen.[99]

Capabilities (GPU video acceleration)

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Main article: Intel Quick Sync Video

Intel developed a dedicated SIP core which implements multiple video decompression and compression algorithms branded Intel Quick Sync Video. Some are implemented completely, some only partially.

Hardware-accelerated algorithms

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Hardware-accelerated video compression and decompression algorithms present in Intel Quick Sync Video
CPU's
microarchitecture 		Steps Video compression and decompression algorithms
H.265
(HEVC)		 H.264
(MPEG-4 AVC)		 H.262
(MPEG-2)		 VC-1/WMV9 JPEG
/
MJPEG		 VP8 VP9 AV1
Westmere[100] Decode ✘ ✓ ✓ ✓ ✘ ✘ ✘ ✘
Encode ✘ ✘ ✘
Sandy Bridge Decode Profiles ✘ ConstrainedBaseline, Main, High, StereoHigh Simple, Main Simple, Main, Advanced ✘ ✘ ✘ ✘
Levels
Max. resolution 2048x2048
Encode Profiles ConstrainedBaseline, Main, High ✘ ✘ ✘ ✘ ✘ ✘
Levels
Max. resolution
Ivy Bridge Decode Profiles ✘ ConstrainedBaseline, Main, High, StereoHigh Simple, Main Simple, Main, Advanced Baseline ✘ ✘ ✘
Levels
Max. resolution
Encode Profiles ConstrainedBaseline, Main, High Simple, Main ✘ ✘ ✘ ✘ ✘
Levels
Max. resolution
Haswell Decode Profiles Partial 8-bit[101] Main, High, SHP, MHP Main Simple, Main, Advanced Baseline ✘ ✘ ✘
Levels 4.1 Main, High High, 3
Max. resolution 1080/60p 1080/60p 16k×16k
Encode Profiles ✘ Main, High Main ✘ Baseline ✘ ✘ ✘
Levels 4.1 High -
Max. resolution 1080/60p 1080/60p 16k×16k
Broadwell[102][103] Decode Profiles Partial 8-bit & 10-bit[101] Main Simple, Main, Advanced 0 Partial[101] ✘
Levels Main, High High, 3 Unified
Max. resolution 1080/60p 1080p
Encode Profiles ✘ Main - ✘ ✘ ✘ ✘
Levels Main, High
Max. resolution 1080/60p
Skylake[104] Decode Profiles Main Main, High, SHP, MHP Main Simple, Main, Advanced Baseline 0 0 ✘
Levels 5.2 5.2 Main, High High, 3 Unified Unified Unified
Max. resolution 2160/60p 2160/60p 1080/60p 3840×3840 16k×16k 1080p 4k/24p@15Mbit/s
Encode Profiles Main Main, High Main ✘ Baseline Unified ✘ ✘
Levels 5.2 5.2 High - Unified
Max. resolution 2160/60p 2160/60p 1080/60p 16k×16k -
Kaby Lake[105]
Coffee Lake[106]
Coffee Lake Refresh[106]
Whiskey Lake[107]
Ice Lake[108]
Comet Lake[109] 		Decode Profiles Main, Main 10 Main, High, MVC, Stereo Main Simple, Main, Advanced Baseline 0 0, 1, 2 ✘
Levels 5.2 5.2 Main, High Simple, High, 3 Unified Unified Unified
Max. resolution 2160/60p 1080/60p 3840×3840 16k×16k 1080p
Encode Profiles Main Main, High Main ✘ Baseline Unified Support 8 bits 4:2:0
BT.2020 may be obtained
the pre/post processing		 ✘
Levels 5.2 5.2 High - Unified
Max. resolution 2160/60p 2160/60p 1080/60p 16k×16k -
Tiger Lake[110]
Rocket Lake 		Decode Profiles up to Main 4:4:4 12 Main, High Main Simple, Main, Advanced Baseline ✘ 0, 1, 2, partially 3 0
Levels 6.2 5.2 Main, High Simple, High, 3 Unified Unified 3
Max. resolution 4320/60p 2160/60p 1080/60p 3840×3840 16k×16k 4320/60p 4K×2K
16K×16K (still picture)
Encode Profiles up to Main 4:4:4 10 Main, High Main ✘ Baseline ✘ 0, 1, 2, 3 ✘
Levels 5.1 5.1 High - -
Max. resolution 4320p 2160/60p 1080/60p 16k×16k 4320p
Alder Lake[111]
Raptor Lake[112] 		Decode Profiles up to Main 4:4:4 12 Main, High Main Simple, Main, Advanced Baseline ✘ 0, 1, 2, 3 0
Levels 6.1 5.2 Main, High Simple, High, 3 Unified 6.1 3
Max. resolution 4320/60p 2160/60p 1080/60p 3840×3840 16k×16k 4320/60p 4320/60p
16K×16K (still picture)
Encode Profiles up to Main 4:4:4 10 Main, High Main ✘ Baseline ✘ 0, 1, 2, 3 ✘
Levels 5.1 5.1 High - -
Max. resolution 4320p 2160/60p 1080/60p 16k×16k 4320p

Intel Pentium and Celeron family

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Intel Pentium & Celeron family GPU video acceleration
VED
(Video Encode / Decode)		 H.265/HEVC H.264/MPEG-4 AVC H.262
(MPEG-2)		 VC-1/WMV9 JPEG/MJPEG VP8 VP9
Braswell[113][b][c][d] Decode Profile Main CBP, Main, High Main, High Advanced 850 MP/s 4:2:0
640 MP/s 4:2:2
420 MP/s 4:4:4
Level 5 5.2 High 4
Max. resolution 4k×2k/30p 4k×2k/60p 1080/60p 1080/60p 4k×2k/60p 1080/30p
Encode Profile ✘ CBP, Main, High Main, High ✘ 850 MP/s 4:2:0
640 MP/s 4:2:2
420 MP/s 4:4:4		 Up to 720p30
Level 5.1 High
Max. resolution 4k×2k/30p 1080/30p 4k×2k/30p
Apollo Lake[114] Decode Profile Main, Main 10 CBP, Main, High Main, High Advanced 1067 MP/s 4:2:0

800 MP/s 4:2:2

533 MP/s 4:4:4

0
Level 5.1 5.2 High 4
Max. resolution 1080p240, 4k×2k/60p 1080/60p 1080/60p
Encode Profile Main CBP, Main, High ✘ ✘ 1067 MP/s 4:2:0

800 MP/s 4:2:2

533 MP/s 4:4:4

Level 4 5.2
Max. resolution 4kx2k/30p 1080p240, 4k×2k/60p 4k×2k/30p 480p30 (SW only)
Gemini Lake[115] Decode Profile Main, Main 10 CBP, Main, High Main, High Advanced 1067 MP/s 4:2:0

800 MP/s 4:2:2

533 MP/s 4:4:4

0, 2
Level 5.1 5.2 High 4
Max. resolution 1080p240, 4k×2k/60p 1080/60p 1080/60p
Encode Profile Main CBP, Main, High Main, High ✘ 1067 MP/s 4:2:0

800 MP/s 4:2:2

533 MP/s 4:4:4

0
Level 4 5.2 High
Max. resolution 4kx2k/30p 1080p240, 4k×2k/60p 1080/60p 4k×2k/30p

Intel Atom family

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Intel Atom family GPU video acceleration
VED
(Video Encode / Decode)		 H.265/HEVC H.264/MPEG-4 AVC MPEG-4 Visual H.263 H.262
(MPEG-2)		 VC-1/WMV9 JPEG/MJPEG VP8 VP9
Bay Trail-T Decode[116] Profile ✘ Main, High Main 0 ✘
Level 5.1 High
Max. resolution 4k×2k/30p 1080/60p 4k×2k/30p 4k×2k/30p
Encode[116] Profile Main, High Main - -
Level 5.1 High - -
Max. resolution 4k×2k/30p 1080/60p 1080/30p - 1080/30p
Cherry Trail-T[117] Decode Profile Main CBP, Main, High Simple Main Advanced 1067 Mbit/s – 4:2:0

800 Mbit/s – 4:2:2

Level 5 5.2 High 4
Max. resolution 4k×2k/30p 4k×2k/60p, 1080@240p 480/30p 480/30p 1080/60p 1080/60p 4k×2k/30p 1080/30p
Encode Profile ✘ Constrained Baseline, Main, High (MVC) 1067 Mbit/s – 4:2:0

800 Mbit/s – 4:2:2

✘
Level 5.1 (4.2)
Max. resolution 4k×2k/30p, 1080@120p 480/30p 4k×2k/30p

Documentation

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Intel releases programming manuals for most of Intel HD Graphics devices via its Open Source Technology Center.[118] This allows various open source enthusiasts and hackers to contribute to driver development, and port drivers to various operating systems, without the need for reverse engineering.

See also

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Notes

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  1. ^ The abbreviation "GT" appears in certain monitoring tools, such as Intel Power Gadget in reference to the graphics core on Intel processors.
  2. ^ VP9 media codec GPU accelerator to be supported post TTM, for non-Windows operating systems only.
  3. ^ Resolution details for media codec on open source Linux OS depends on platform features and drivers used. Decode/Encode features may not align to Table 8-4 that is specific to Win8.1 and Win7 operating systems.
  4. ^ All capabilities dependent on OS. Here HW support is mentioned. For more info, see Table 8-4 on page 80 of PDF.

References

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