NVIDIA Quadro P620 vs AMD Radeon RX 6400

Compare NVIDIA Quadro P620 2 GB vs AMD Radeon RX 6400 4 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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GPU Comparison

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AMD Radeon RX 6400

Price

The cheapest price from our partner retailers

$ 70.00

$ 60.03 significantly less expensive

$ 130.03

Benchmark Score

Overall Score

General gaming and workstation score

788 points

1845 points

134% significantly better overall score

Flux Core frame rate

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

17 FPS

42 FPS

25 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

12 FPS

28 FPS

17 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

13 FPS

36 FPS

24 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

10 FPS

16 FPS

6 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

119.66 points

302.98 points

153% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

12054 points

33586 points

178% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

11114 points

41105 points

269% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1266 MHz

1923 MHz

51% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1354 MHz

2321 MHz

71% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

2 GiB

4 GiB

100% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

100% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

80.13 GB/s

128 GB/s

59% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

40 W

32% slightly lower TDP

53 W

Pixel Rate

Number of pixels that can be rendered per second

21.66 Gigapixels/s

74.3 Gigapixels/s

243% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

43.33 Gigatexels/s

111.4 Gigatexels/s

157% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

512

768

49% significantly 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

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

281st of 586

217th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2018 February

2022 January

Memory Type

The type of memory used by this chip

GDDR5

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

Quadro P620 vs Radeon RX 6400 specs and performance

According to the hardwareDB Benchmark, the Radeon RX 6400 GPU is faster than the Quadro P620 in gaming.

In our comparison, the Radeon RX 6400 has a significantly higher core clock speed. This is the frequency at which the graphics core is running at. While not necessarily an indicator of overall performance, this metric can be useful when comparing two GPUs based on the same architecture. In addition, the Radeon RX 6400 also has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Furthermore, the spec sheet for both these GPUs show that the Radeon RX 6400 has significantly more memory with 4 GiB of memory compared to 2 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Quadro P620 has a slightly lower TDP at 40 W when compared to the Radeon RX 6400 at 53 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the Radeon RX 6400 is faster than the Quadro P620.