AMD Radeon R5 M255 vs NVIDIA Quadro K420

Compare AMD Radeon R5 M255 4 GB vs NVIDIA Quadro K420 1 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Other Benchmarks
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

204 points

119% significantly better overall score

93 points

Flux Core frame rate

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

5 FPS

2 FPS significantly higher Flux Core frame rate

2 FPS

Electron frame rate

Randomly generated noise sphere test

3 FPS

2 FPS significantly higher Electron frame rate

1 FPS

City frame rate

Procedurally generated city scene with voxel rendering

4 FPS

3 FPS significantly higher City frame rate

1 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

1 FPS

0 FPS significantly higher Clouds frame rate

1 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

5013 points

232% significantly higher Geekbench 5 (OpenCL) score

1507 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

5527 points

217% significantly higher Geekbench 5 (Vulkan) score

1740 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

4658 points

153% significantly higher Geekbench 6 (OpenCL) score

1841 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

4925 points

167% significantly higher Geekbench 6 (Vulkan) score

1838 points

Specifications

Core Clock Speed

Nominal chip frequency

925 MHz

18% slightly higher core clock speed

780 MHz

Memory

Onboard memory size for textures and vertices

4 GiB

300% significantly more memory

1 GiB

Memory Bus Width

Number of parallel lines to the memory chips

64 Bit

128 Bit

100% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

16 GB/s

28.51 GB/s

78% significantly higher memory bandwidth

Pixel Rate

Number of pixels that can be rendered per second

7.52 Gigapixels/s

114% significantly higher pixel rate

3.50 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

22.56 Gigatexels/s

60% significantly higher texture rate

14.02 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

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

427th of 586

508th of 586

Family

The product line

Radeon R5 200 Series

Release date

The official date of release of this chip

2014 October

2014 July

Memory Type

The type of memory used by this chip

DDR3

DirectX Support

Maximum version of DirectX supported

11.2

11.0

OpenGL Support

Maximum version of OpenGL supported

4.3

4.5

Radeon R5 M255 vs Quadro K420 specs and performance

For gaming, the Radeon R5 M255 graphics card is better than the Quadro K420 in our tests.

Our database shows that the Radeon R5 M255 has a slightly 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.

Next up, in terms of GPU memory, the Radeon R5 M255 has significantly more memory with 4 GiB of memory compared to 1 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In terms of raw gaming performance in our GPU benchmark, the Radeon R5 M255 is better than the Quadro K420.