Intel HD 620 vs Intel Iris Plus 655

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

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Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

167 points

278 points

66% significantly better overall score

Flux Core frame rate

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

4 FPS

7 FPS

3 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

2 FPS

4 FPS

2 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

3 FPS

5 FPS

2 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

1 FPS

2 FPS

1 FPS significantly higher Clouds frame rate

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

4496 points

7413 points

64% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

4551 points

8124 points

78% significantly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

4185 points

7380 points

76% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

4718 points

8354 points

77% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

Identical

300 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

1050 MHz

5% slightly higher boost clock speed

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

3 Gigapixels/s

6.3 Gigapixels/s

110% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

24 Gigatexels/s

50.4 Gigatexels/s

110% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

192

384

100% significantly more shading units

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

460th of 586

388th of 586

Release date

The official date of release of this chip

2016 August

2018 April

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

HD 620 vs Iris Plus 655 comparison

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

Our database shows that both the HD 620 and Iris Plus 655 both have the same core clock speed. Despite this, the Iris Plus 655 has a slightly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

In addition, both the HD 620 and the Iris Plus 655 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.

According to the results of the hardwareDB benchmark utility, the Iris Plus 655 is faster than the HD 620.