Intel Iris Plus 655 vs Intel UHD 620

Compare Intel Iris Plus 655 vs Intel UHD 620, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
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Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

278 points

3% slightly better overall score

269 points

Flux Core frame rate

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

7 FPS

1 FPS slightly 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

5 FPS

6 FPS

1 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

4 FPS

2 FPS significantly higher Clouds frame rate

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

7413 points

52% significantly higher Geekbench 5 (OpenCL) score

4848 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

8124 points

63% significantly higher Geekbench 5 (Vulkan) score

4983 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

7380 points

60% significantly higher Geekbench 6 (OpenCL) score

4591 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

8354 points

67% significantly 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

1050 MHz

5% 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

6.3 Gigapixels/s

110% significantly higher pixel rate

3 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

50.4 Gigatexels/s

110% 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

100% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

388th of 586

393rd of 586

Release date

The official date of release of this chip

2018 April

2018 August

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Iris Plus 655 vs UHD 620 comparison

According to the hardwareDB Benchmark, the UHD 620 GPU is faster than the Iris Plus 655 in gaming.

By comparing the spec sheets, both the Iris Plus 655 and the UHD 620 have the same base clock speed. Despite this, the Iris Plus 655 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 655 and the UHD 620 have an identical TDP. Heat output doesn't match power consumption directly but, it's a good estimate.

In terms of raw gaming performance in our GPU benchmark, the UHD 620 is better than the Iris Plus 655.