Intel Iris Plus Graphics 640
The Intel Iris Plus Graphics 640 (GT3e) is a processor graphics card for Kaby Lake models announced in January 2017. As the successor to the Intel Iris Graphics 540 (Skylake), the Iris Plus Graphics 640 is used for 15-Watt ULV models and is equipped with 64 MB eDRAM cache. There should not be any big changes compared to the Iris Graphics 540.
The so called GT3e version of the Kaby Lake GPU still has 48 Execution Units (EUs), which can reach up to 1050 MHz depending on the model. Besides eDRAM cache, the Iris 640 can also access the system memory (2x 64 Bit DDR3L-1600/LPDDR3-1866/DDR4-2400) via processor interface.
Compared to the Iris Plus 650 from the 28-Watt models, the Iris 640 only has a slightly lower maximum clock as well as the lower TDP, so the utilization of the Turbo Boost potential should be worse.
Performance
The exact performance of the Iris Plus Graphics 640 depends on the CPU model, because maximum clock as well as the size of the L3 cache can differ a bit. The system memory (DDR3/DDR4) will influence the performance as well.
The fastest chips are high-clocked Core i7 models like the Core i7-7660U . Depending on the game, the Iris Plus 640 will probably be similar to the previous model somewhere between a dedicated GeForce 920M and GeForce 940M and is usually limited to low settings in modern games.
Features
The reworked video engine now fully supports hardware decoding of H.265/HEVC videos. Contrary to Skylake, however, Kaby Lake can now also decode H.265/HEVC Main 10 with a 10-bit color depth as well as Google's VP9 codec. The video output is possible via DP 1.2/eDP 1.3 (up to 3840 x 2160 @60 Hz), whereas HDMI is also supported in the older 1.4a standard. An HDMI 2.0 output can be added via converter from DisplayPort. The GPU can drive up to three displays simultaneously.
Power Consumption
The Iris Plus Graphics 640 is used for 15-Watt ULV processor and therefore thin notebooks and Ultrabooks.
Gen. 9.5 Series Codename Kaby Lake GT3e Kaby Lake GT3e Kaby Lake GT3e Kaby Lake GT3e Architecture Gen. 9.5 Kaby Lake Gen. 9.5 Kaby Lake Gen. 9.5 Kaby Lake Gen. 9.5 Kaby Lake Pipelines 48 - unified 48 - unified 48 - unified 48 - unified Core Speed 300 - 1050 (Boost) MHz 300 - 1050 (Boost) MHz 300 - 1050 (Boost) MHz 300 - 1050 (Boost) MHz Memory Bus Width 64/128 Bit 64/128 Bit 64/128 Bit 64/128 Bit Memory Type DDR3/DDR4 DDR3/DDR4 DDR3/DDR4 DDR3/DDR4 Max. Amount of Memory 64 MB 64 MB 64 MB 64 MB Shared Memory yes yes yes yes API DirectX 12_1, OpenGL 4.4 DirectX 12_1, OpenGL 4.4 DirectX 12_1, OpenGL 4.4 DirectX 12_1, OpenGL 4.4 technology 14 nm 14 nm 14 nm 14 nm Features QuickSync QuickSync QuickSync QuickSync Date of Announcement 03.01.2017 03.01.2017 03.01.2017 03.01.2017
Benchmarks 3DMark - 3DMark Time Spy Score
min: 467 avg: 499.8 median: 494.5 (1%) max: 543 Points
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3DMark - 3DMark Time Spy Graphics
min: 413 avg: 442.5 median: 437 (1%) max: 483 Points
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3DMark - 3DMark Ice Storm Unlimited Graphics
min: 142163 avg: 147298 median: 145481 (16%) max: 154251 Points
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3DMark - 3DMark Cloud Gate Score
min: 7558 avg: 8025 median: 8067 (9%) max: 8711 Points
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3DMark - 3DMark Cloud Gate Graphics
min: 10486 avg: 11119 median: 11248 (3%) max: 11495 Points
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3DMark - 3DMark Fire Strike Standard Score
min: 1236 avg: 1349 median: 1310 (2%) max: 1509 Points
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3DMark - 3DMark Fire Strike Standard Graphics
min: 1315 avg: 1411 median: 1393.5 (2%) max: 1541 Points
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3DMark 11 - 3DM11 Performance Score
min: 2136 avg: 2440 median: 2561 (4%) max: 2664 Points
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3DMark 11 - 3DM11 Performance GPU
min: 1980 avg: 2275 median: 2379 (2%) max: 2493 Points
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3DMark 06 3DMark 06 - Standard 1280x1024 +
min: 13164 avg: 14118 median: 14117.5 (18%) max: 15071 Points
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Unigine Valley 1.0 - Unigine Valley 1.0 DX
6.5 fps (2%)
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Cinebench R10 Cinebench R10 Shading (32bit) + Cinebench R10 - Cinebench R10 Shading (32bit)
min: 8824 avg: 9678 median: 9703 (7%) max: 10506 Points
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Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
46.1 fps (16%)
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Cinebench R15 Cinebench R15 OpenGL 64 Bit + Cinebench R15 - Cinebench R15 OpenGL 64 Bit
min: 41.32 avg: 54 median: 56.2 (3%) max: 62.3 fps
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Cinebench R15 OpenGL Ref. Match 64 Bit + Cinebench R15 - Cinebench R15 OpenGL Ref. Match 64 Bit
min: 97.8 avg: 98.2 median: 97.8 (98%) max: 99.3 %
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GFXBench - GFXBench Car Chase Offscreen
40.7 fps (5%)
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GFXBench 3.1 - GFXBench Manhattan ES 3.1 Offscreen
56.1 fps (1%)
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GFXBench 3.0 - GFXBench 3.0 Manhattan Offscreen
31.2 fps (2%)
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GFXBench (DX / GLBenchmark) 2.7 GFXBench T-Rex HD Offscreen C24Z16 + GFXBench (DX / GLBenchmark) 2.7 - GFXBench T-Rex HD Offscreen C24Z16
171 fps (1%)
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LuxMark v2.0 64Bit - LuxMark v2.0 Room GPU
min: 315 avg: 325 median: 325 (1%) max: 335 Samples/s
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LuxMark v2.0 64Bit - LuxMark v2.0 Sala GPU
min: 748 avg: 779 median: 778.5 (1%) max: 809 Samples/s
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ComputeMark v2.1 - ComputeMark v2.1 Result
min: 1575 avg: 1677 median: 1677 (2%) max: 1779 Points
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Power Consumption - Furmark Stress Test Power Consumption - external Monitor *
min: 30.8 avg: 33.6 median: 31.5 (4%) max: 38.5 Watt
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Power Consumption - The Witcher 3 Power Consumption - external Monitor *
min: 28 avg: 33.5 median: 33.5 (5%) max: 38.9 Watt
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Power Consumption - Witcher 3 Power Consumption *
min: 31.7 avg: 34.9 median: 34.9 (8%) max: 38.1 Watt
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Power Consumption - Witcher 3 ultra Power Efficiency - external Monitor
0.1 fps per Watt (9%)
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Emissions Witcher 3 Fan Noise + Emissions - Witcher 3 Fan Noise
33.4 dB(A) (53%)
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Clock Speed - GPU Clock Witcher 3 ultra
min: 748 avg: 823 median: 823 (32%) max: 898 MHz
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Clock Speed - GPU Clock Speed Furmark
min: 570 avg: 634 median: 634 (25%) max: 698 MHz
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
Game Benchmarks The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.
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0 Tooltip Surface Laptop i7: Ø37.9 (31.5-55)
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0 Tooltip Surface Pro (2017) i7: Ø18.1 (14-23)
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For more games that might be playable and a list of all games and graphics cards visit our Gaming List
v1.27
log 16. 03:06:02
#0 checking url part for id 7656 +0s ... 0s
#1 checking url part for id 7656 +0s ... 0s
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#5 did not recreate cache, as it is less than 5 days old! Created at Thu, 13 Jun 2024 05:35:10 +0200 +0.001s ... 0.001s
#6 composed specs +0.065s ... 0.066s
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#9 getting avg benchmarks for device 7656 +0.019s ... 0.084s
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#12 min, max, avg, median took s +0.73s ... 0.833s
#13 before gaming benchmark output +0s ... 0.833s
#14 Got 133 rows for game benchmarks. +0.016s ... 0.849s
#15 composed SQL query for gamebenchmarks +0s ... 0.849s
#16 got data and put it in $dataArray +0.026s ... 0.875s
#17 benchmarks composed for output. +1.076s ... 1.951s
#18 return log +0.063s ... 2.014s
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Redaktion, 2017-09- 8 (Update: 2023-07- 1)