Intel Iris Plus Graphics 655
The Intel Iris Plus Graphics 655 (GT3e) is a processor graphics card announced in September 2017. As the successor to the Intel Iris Graphics 650 (Kaby Lake), the Iris Plus Graphics 655 is used for 28-Watt Coffee Lake-U models. The biggest difference is the doubled eDRAM-cache at 128 MB. There should not be any big changes compared to the Iris Graphics 650.
The so called GT3e version of the Kaby Lake GPU still has 48 Execution Units (EUs), which can reach up to 1200 MHz (previously 1100 MHz) depending on the model. Besides eDRAM cache, the Iris 655 can also access the system memory (2x 64 Bit DDR3L-2133/DDR4-2400) via processor interface.
Compared to the Iris Plus 640 from the 15-Watt models, the Iris 655 only has a slightly higher maximum clock as well as almost twice the TDP, which allows a better utilization of the Turbo Boost potential.
The exact performance of the Iris Plus Graphics 655 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 i7-8559U. Depending on the game, the Iris Plus 655 will probably be on par with a dedicated GeForce 930M or GeForce 940MX and can handle smooth gameplay in modern titles in low up to medium settings.
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.
The Iris Plus Graphics 655 is used for 28-Watt processor and therefore small/medium-sized notebooks.
Manufacturer Intel Gen. 9.5 Series Codename Kaby Lake GT3e Architecture Gen. 9.5 Kaby Lake Pipelines 48 - unified Core Speed 300 - 1200 (Boost) MHz Memory Type DDR3/DDR4 Shared Memory yes DirectX DirectX 12_1 technology 14 nm Features QuickSync Date of Announcement 01.09.2017
Benchmarks Performance Rating - 3DMark 11 + Fire Strike + Time Spy
10.5 pt (11%)
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Intel Iris Plus Graphics 655
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3DMark - 3DMark Time Spy Score
min: 348 avg: 632 median: 676 (4%) max: 722 Points
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Intel Iris Plus Graphics 655
Intel UHD Graphics Xe 750 32EUs (Rocket Lake) 17%
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3DMark - 3DMark Time Spy Graphics
min: 301 avg: 556 median: 601 (3%) max: 633 Points
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Intel Iris Plus Graphics 655
Intel UHD Graphics Xe 750 32EUs (Rocket Lake) 15%
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3DMark - 3DMark Ice Storm Unlimited Graphics
min: 134073 avg: 143400 median: 143400 (21%) max: 152727 Points
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Intel Iris Plus Graphics 655
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3DMark - 3DMark Ice Storm Extreme Graphics
71073 Points (10%)
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Intel Iris Plus Graphics 655
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3DMark - 3DMark Cloud Gate Score
min: 6769 avg: 10880 median: 11517 (15%) max: 13037 Points
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Intel Iris Plus Graphics 655
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3DMark - 3DMark Cloud Gate Graphics
min: 6498 avg: 13601 median: 14713.5 (7%) max: 16698 Points
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Intel Iris Plus Graphics 655
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3DMark - 3DMark Fire Strike Standard Score
min: 852 avg: 1672 median: 1838.5 (5%) max: 2040 Points
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3DMark - 3DMark Fire Strike Standard Graphics
min: 920 avg: 1806 median: 1959 (4%) max: 2260 Points
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Intel Iris Plus Graphics 655
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3DMark - 3DMark Ice Storm Graphics
min: 108565 avg: 110303 median: 110302 (15%) max: 112040 Points
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Intel Iris Plus Graphics 655
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3DMark 11 - 3DM11 Performance Score
min: 1548 avg: 2849 median: 3181 (7%) max: 3349 Points
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Intel Iris Plus Graphics 655
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3DMark 11 - 3DM11 Performance GPU
min: 1365 avg: 2614 median: 2947 (5%) max: 3081 Points
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Intel Iris Plus Graphics 655
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3DMark Vantage + 3DMark Vantage - 3DM Vant. Perf. total
12093 Points (11%)
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Intel Iris Plus Graphics 655
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3DM Vant. Perf. GPU no PhysX + 3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
10337 Points (9%)
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Intel Iris Plus Graphics 655
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3DMark 06 3DMark 06 - Standard 1280x1024 +
17176 Points (28%)
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Intel Iris Plus Graphics 655
Intel UHD Graphics Xe 750 32EUs (Rocket Lake) 2%
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Cinebench R10 Cinebench R10 Shading (32bit) + Cinebench R10 - Cinebench R10 Shading (32bit)
min: 7836 avg: 9185 median: 9184.5 (43%) max: 10533 points
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Intel Iris Plus Graphics 655
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Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 51.62 avg: 51.9 median: 51.9 (19%) max: 52.2 fps
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Intel Iris Plus Graphics 655
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Cinebench R15 + Cinebench R15 - Cinebench R15 OpenGL 64 Bit
min: 33.91 avg: 65.4 median: 71.2 (20%) max: 88 fps
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Intel Iris Plus Graphics 655
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Cinebench R15 OpenGL Ref. Match 64 Bit + Cinebench R15 - Cinebench R15 OpenGL Ref. Match 64 Bit
min: 97.8 avg: 98.3 median: 97.8 (98%) max: 99.3 %
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Intel Iris Plus Graphics 655
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GFXBench (DX / GLBenchmark) 2.7 + GFXBench (DX / GLBenchmark) 2.7 - GFXBench 2.7 T-Rex HD Onscreen C24Z16
min: 59.7 avg: 1709 median: 1708.5 (51%) max: 3357.300048828125 fps
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Intel Iris Plus Graphics 655
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GFXBench T-Rex HD Offscreen C24Z16 + GFXBench (DX / GLBenchmark) 2.7 - GFXBench T-Rex HD Offscreen C24Z16
min: 199.6 avg: 6375 median: 6375.2 (51%) max: 12550.8 fps
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Intel Iris Plus Graphics 655
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GFXBench 3.0 - GFXBench 3.0 Manhattan
30.6 fps (8%)
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Intel Iris Plus Graphics 655
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GFXBench 3.0 - GFXBench 3.0 Manhattan Offscreen
200 fps (15%)
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Intel Iris Plus Graphics 655
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LuxMark v2.0 64Bit - LuxMark v2.0 Room GPU
480 Samples/s (2%)
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Intel Iris Plus Graphics 655
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LuxMark v2.0 64Bit - LuxMark v2.0 Sala GPU
1194 Samples/s (2%)
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Intel UHD Graphics Xe 750 32EUs (Rocket Lake) -7%
Intel Iris Plus Graphics 655
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ComputeMark v2.1 - ComputeMark v2.1 Result
1841 points (4%)
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Intel Iris Plus Graphics 655
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Power Consumption - Furmark Stress Test Power Consumption - external Monitor *
min: 28.9 avg: 32.5 median: 32.5 (5%) max: 36 Watt
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Intel Iris Plus Graphics 655
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0 5 10 15 20 25 30 35 40 45 50 55 33.7 31.5 30.2 29.9 30 30.4 30.8 30.4 30.1 28.4 29.8 29.7 28.4 28.6 29.2 28.4 29.4 29.8 28.4 28.6 28.8 29.8 30.2 28.6 28.6 28.9 29.6 30.4 29.2 28.2 28.6 29.4 29.2 28.3 28.3 28 29.3 29.6 28.3 28.1 28.1 30.3 28.3 28 28.1 29.4 29 30 28.4 28 29.1 29.2 29.6 28.1 28 28.2 29.2 29.7 28.9 28.5 28.5 29.3 28.6 29 28.4 29.4 29.2 29.8 28 28.2 28.4 29.2 30 28.8 29 28.4 29.8 30.2 28.6 28.5 28.8 29.6 29.6 28.6 29.1 28.7 29.8 28 28.7 28.2 29.4 29.1 28.1 28.5 28.7 28.8 29.8 29.5 28.3 29.3 28.6 28.9 30.1 28.4 28.2 28 29.1 28 29.8 28 29 29.3 28.1 28.1 28.8 28.7 29.1 29.6 28.1 28.4 28.4 29.8 29.3 28.2 28.1 28.3 30.1 29.8 28.2 29 28.4 29.1 29.4 28.3 28.6 28.4 29.2 29.4 28.2 28.4 28.2 29.7 28.9 27.9 28.9 28 30.5 29.3 27.9 28.2 28.3 29.5 29.7 28.1 28.2 28.9 29.3 28.2 28.2 28.5 28.6 30.2 28.6 28 29 29 29.1 28.2 28.1 27.8 27.8 29.1 28.5 27.9 28 27.7 28.6 28.6 27.6 28.3 29.2 30.2 28.1 28.2 27.8 29 29.5 28.2 59.8 59.3 59.9 59.8 59.8 34.9 34 33.8 34.5 35 35.4 34.5 32.1 33.8 36.2 35.5 33.7 34.1 36.2 34.3 36.2 35.1 36.2 36.3 35.6 35.7 34.6 33.8 35.1 35.1 35.8 33.6 34 33.5 35.9 36.2 33.8 34.5 34.7 36.2 34.6 33.3 34.8 34.8 35.4 36.5 36 33.4 34.6 35.6 35.7 36.5 36.6 35.6 36.6 35.3 36.5 35.3 34.6 34.8 36.3 35.4 34.3 36.7 35.9 36.3 35.7 35.7 35.5 35.2 36.6 34 35.3 34.7 35 35.1 36.1 35 34.8 35.8 36.3 36.2 34.6 36.5 36.3 36 35.4 34 35.2 34.8 35.6 36.2 34.7 34.9 35.4 34.9 35.8 35.9 35.7 34.8 36.1 35.8 35.4 34.6 34.3 34.5 35.8 36.4 35.3 34.9 34.6 36.4 35.7 34.9 34.6 34.1 35.7 36.3 35.9 35.6 35.3 35.4 36.6 36.6 35.9 35.7 36.4 34.8 35 34.9 36.2 36 36 36.3 35.7 35.7 36 36.7 34.2 34.6 34.9 36.3 36.1 34.9 35.3 35.2 36.3 36.8 34.7 35.8 36.1 35.5 36.7 34.9 35.3 35.4 36.4 35.6 35.4 34.4 34.7 36.4 35.9 35 34.9 34.1 36.7 33.9 35.1 34.6 36.3 35.6 34.1 33.8 34 35.5 35.7 35 34.6 34.8 36.2 35.5 36.7 36.6 35.9 36.2 35.8 36.4 34.1 34.8 36.1 36.6 35.7 Tooltip
Power Consumption - The Witcher 3 Power Consumption - external Monitor *
min: 35.3 avg: 41.3 median: 41.3 (6%) max: 47.2 Watt
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Intel Iris Plus Graphics 655
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0 5 10 15 20 25 30 35 35.5 35.4 35.7 35.9 35.2 36 35.7 34.1 34.6 35.6 35.6 35.9 35.5 36 34.3 35.5 35.5 35.9 34.8 34.4 34.7 35.9 36 35.2 35.6 35.9 35.9 35.9 35.6 35.4 35.2 36.1 35.5 35.8 36 36 35.8 35.3 34.7 34.8 35.8 35.9 35.3 36 35.9 35.7 35.9 35.3 35.2 35.6 35.7 35.8 35.4 35.6 34.3 34.6 36.1 35.8 35.4 35.8 35.5 35.8 35.9 34.5 35 35.5 35.9 35.8 34.9 34.7 34.2 34.3 34.4 34.8 34.8 34.7 35.6 35.6 35.6 35.9 35.6 35.3 35.8 34.9 34.7 34.7 35.6 35.8 34.7 33.8 34.4 35.6 35.7 35.9 35.9 35.3 35.3 36.1 35.7 34.1 34.7 35.6 34.1 34.8 34.4 34.8 35.7 35.7 35.8 35.8 35.3 35.3 35.8 34.9 34.4 35.7 35.5 35.7 34.7 34.4 34.9 35.8 35.9 34.5 35.2 35.4 35.9 35.4 34.8 34.4 34.6 35.3 34.4 34 34.7 34.3 35.7 35.7 34.2 34 34.8 35.2 35.3 35.9 35.2 35.5 36 35.8 35.9 34.5 34.2 35.4 35.6 34.5 34.8 34.4 35.6 35.4 35.9 35.9 34.8 36 35.4 35.7 34.7 34.4 35.4 36 34.5 34.5 34.9 35.6 36 34.1 36 35.8 35.2 35.9 35.2 34.7 34.4 35.2 34.8 34.3 34.3 34.7 35.7 35.4 34.5 34.3 35.6 35.5 35.9 36.1 35.6 35.9 35.6 35.7 34.4 34.5 34.4 35.3 Tooltip
Power Consumption - Witcher 3 Power Consumption *
min: 39.4 avg: 43.3 median: 43.3 (10%) max: 47.2 Watt
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Intel Iris Plus Graphics 655
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0 5 10 15 20 25 30 35 40 39.1 39.1 39.9 39.8 40.1 40.4 39.1 37 40.2 39.4 38.7 43 39.3 38.5 38.9 37.9 38.5 38.1 38.7 39.9 39.4 39.2 39.8 39.6 38.5 40 39.4 38.2 39.7 39.1 39.8 39.7 39.3 40.6 39.3 40.3 39.9 39.3 39.4 39.2 40.6 38.9 39.4 39.2 39.5 38.5 38.8 40.8 39.8 40.6 38.9 40.2 39.6 40.5 38.8 40 39.9 38.5 39.6 38.8 38.5 39 38.8 38.6 39.5 40.1 38.6 38.9 39.8 39.4 38.5 39.2 39.6 39.4 39.9 39.5 38.9 38.5 39.7 39.4 38.4 39.7 39.6 39.8 39.8 40.6 39.4 40.1 39.9 39.8 39.9 38.7 39 39.5 39.9 39.8 40.1 39.8 39.6 39.8 39.3 39.9 39.6 40.1 39.9 40 39.6 38.1 39.2 39.9 39.8 38.7 38.7 39.6 40.1 39.5 38.9 38.7 39.3 40.1 39.8 38.6 38.4 39.5 39.8 39.7 38.6 38.8 39.7 40.1 40.1 39.8 40 39.9 39.4 39.6 39.5 38.3 38.6 39.7 40.2 38.2 39.1 40.5 39.2 39.4 40 39.5 39.9 39.9 39.9 39.7 39.4 40.1 40 39.9 40.2 38.7 39.2 40.1 39.9 39.1 40.3 39.8 39.6 40.1 39.1 38.8 40.9 39.4 40.2 38.9 38.6 39 40 39.6 38.7 38.3 39.4 39.7 39.9 39 38.5 38.8 39.8 39.8 39.2 39 38.4 39.5 38.6 38.6 38.6 40.2 39.9 40.1 Tooltip
Power Consumption - Witcher 3 ultra Power Efficiency - external Monitor
0.1 Points per Watt (19%)
Intel Iris Plus Graphics 655
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Clock Speed - GPU Clock Witcher 3 ultra
998 MHz (50%)
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Intel Iris Plus Graphics 655
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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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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» With all tested laptops playable in detail settings low.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
Intel Iris Plus Graphics 655
» With all tested laptops playable in detail settings high.
Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» With all tested laptops playable in detail settings low.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» With all tested laptops playable in detail settings high.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
Additional Benchmarks
Very Low Overall Quality (DX11) 1920x1080
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» With all tested laptops playable in detail settings low.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» With all tested laptops playable in detail settings low.
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
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Intel Iris Plus Graphics 655
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» With all tested laptops playable in detail settings low.
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Intel Iris Plus Graphics 655
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» The benchmarks indicate that the game is not playable in the tested settings.
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Intel Iris Plus Graphics 655
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- Average benchmark values for this graphics card
