Intel Iris Plus 640 vs NVIDIA Quadro K620

Compare Intel Iris Plus 640 0 GB vs NVIDIA Quadro K620 2 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

306 points

Identical

306 points

Flux Core frame rate

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

10 FPS

3 FPS significantly higher Flux Core frame rate

7 FPS

Electron frame rate

Randomly generated noise sphere test

5 FPS

0 FPS slightly higher Electron frame rate

5 FPS

City frame rate

Procedurally generated city scene with voxel rendering

5 FPS

1 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

3 FPS

4 FPS

1 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

6601 points

6869 points

4% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

6827 points

3% slightly higher Geekbench 5 (Vulkan) score

6567 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

6639 points

6697 points

0.87% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

6920 points

17% slightly higher Geekbench 6 (Vulkan) score

5877 points

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

1000 MHz

233% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1100 MHz

1124 MHz

2% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

0.5 GiB

2 GiB

300% significantly more memory

TDP

Thermal Design Power: Measure of heat generated by the GPU

15 W

200% significantly lower TDP

45 W

Pixel Rate

Number of pixels that can be rendered per second

6.6 Gigapixels/s

17.98 Gigapixels/s

172% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

52.8 Gigatexels/s

95% significantly higher texture rate

26.98 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

384

Identical

384

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

166% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

380th of 592

378th of 592

Release date

The official date of release of this chip

2017 January

2014 July

Memory Type

The type of memory used by this chip

DDR3

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.4

4.5

Iris Plus 640 vs Quadro K620 comparison

In our benchmarks, the Quadro K620 beats the Iris Plus 640 in gaming performance.

Our database shows that the Quadro K620 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 K620 also 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.

Furthermore, the spec sheet for both these GPUs show that the Quadro K620 has significantly more memory with 2 GiB of memory compared to 0.5 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the Iris Plus 640 has a significantly lower TDP at 15 W when compared to the Quadro K620 at 45 W. Heat output doesn't match power consumption directly but, it's a good estimate.

According to the results of the hardwareDB benchmark utility, the Quadro K620 is faster than the Iris Plus 640.