Intel Iris Plus 655 vs NVIDIA Quadro P620

Compare Intel Iris Plus 655 vs NVIDIA Quadro P620 2 GB, 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

788 points

183% significantly better overall score

Flux Core frame rate

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

7 FPS

17 FPS

10 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

4 FPS

12 FPS

7 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

5 FPS

13 FPS

8 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

10 FPS

7 FPS significantly higher Clouds frame rate

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

7413 points

12475 points

68% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

8124 points

11923 points

46% significantly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

7380 points

12054 points

63% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

8354 points

11114 points

33% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

1266 MHz

321% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1050 MHz

1354 MHz

28% slightly higher boost clock speed

TDP

Thermal Design Power: Measure of heat generated by the GPU

15 W

166% significantly lower TDP

40 W

Pixel Rate

Number of pixels that can be rendered per second

6.3 Gigapixels/s

21.66 Gigapixels/s

243% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

50.4 Gigatexels/s

16% slightly higher texture rate

43.33 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

384

512

33% slightly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

49% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

166% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

388th of 586

281st of 586

Release date

The official date of release of this chip

2018 April

2018 February

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

4.5

Iris Plus 655 vs Quadro P620 specs and performance

For gaming, the Quadro P620 graphics card is better than the Iris Plus 655 in our tests.

The Quadro P620 has a significantly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. In addition, the Quadro P620 also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the Iris Plus 655 has a significantly lower TDP at 15 W when compared to the Quadro P620 at 40 W. 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 Quadro P620 is better than the Iris Plus 655.