Intel Iris Plus 640 vs Intel UHD 620

Compare Intel Iris Plus 640 0 GB vs Intel UHD 620, specs and GPU benchmark score. Which is the better graphics card for the money?

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Benchmark Score

Overall Score

General gaming and workstation score

287 points
6% slightly better overall score
269 points

Flux Core frame rate

Volumetric ray casting test, a computationally expensive method of rendering high-quality scenes

9 FPS
3 FPS significantly higher Flux Core frame rate
6 FPS

Electron frame rate

Randomly generated noise sphere test

4 FPS
6 FPS
1 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

7 FPS
0 FPS slightly higher City frame rate
6 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS
4 FPS
2 FPS significantly higher Clouds frame rate

Free GPU Benchmark

Want to compare your graphics card against the Iris Plus 640 and the UHD 620? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench 5 (OpenCL) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

6601 points
36% slightly higher Geekbench 5 (OpenCL) score
4848 points
Geekbench 5 (Vulkan) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

6827 points
37% slightly higher Geekbench 5 (Vulkan) score
4983 points
Geekbench 6 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

6639 points
44% significantly higher Geekbench 6 (OpenCL) score
4591 points
Geekbench 6 (Vulkan) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

6920 points
38% slightly higher Geekbench 6 (Vulkan) score
4994 points

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz
Identical
300 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1100 MHz
10% slightly higher boost clock speed
1000 MHz

TDP

Thermal Design Power: Measure of heat generated by the GPU

15 W
Identical
15 W

Pixel Rate

Number of pixels that can be rendered per second

6.6 Gigapixels/s
120% significantly higher pixel rate
3 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

52.8 Gigatexels/s
120% significantly higher texture rate
24 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

384
100% significantly more shading units
192

Texture Mapping Units

Number of processors dedicated to applying textures

48
100% significantly more texture mapping units
24

Render Output Processors

Number of processors dedicated to final pixel rendering

6
100% significantly more render output processors
3

Other details

Rank

Ranking in the hardwareDB database

385th of 586
392nd of 586

Release date

The official date of release of this chip

2017 January
2018 August

DirectX Support

Maximum version of DirectX supported

12.0
12.0

OpenGL Support

Maximum version of OpenGL supported

4.4
4.6

Iris Plus 640 vs UHD 620 specs and performance

In our benchmarks, the UHD 620 beats the Iris Plus 640 in gaming performance.

Our database shows that both the Iris Plus 640 and UHD 620 both have the same core clock speed. Despite this, the Iris Plus 640 has a slightly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

In addition, both the Iris Plus 640 and the UHD 620 have an identical TDP. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In terms of raw gaming performance in our GPU benchmark, the UHD 620 is better than the Iris Plus 640.

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