AMD Radeon RX 550X vs NVIDIA GeForce 940MX

Compare AMD Radeon RX 550X 4 GB vs NVIDIA GeForce 940MX, 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

464 points

51% significantly better overall score

306 points

Flux Core frame rate

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

11 FPS

3 FPS significantly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

8 FPS

2 FPS significantly higher Electron frame rate

6 FPS

City frame rate

Procedurally generated city scene with voxel rendering

12 FPS

6 FPS significantly higher City frame rate

5 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS

5 FPS

1 FPS slightly higher Clouds frame rate

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

12373 points

87% significantly higher Geekbench 5 (OpenCL) score

6582 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

13079 points

124% significantly higher Geekbench 5 (Vulkan) score

5823 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

11245 points

75% significantly higher Geekbench 6 (OpenCL) score

6410 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

12485 points

118% significantly higher Geekbench 6 (Vulkan) score

5702 points

Specifications

Core Clock Speed

Nominal chip frequency

1100 MHz

9% slightly higher core clock speed

1004 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1287 MHz

3% slightly higher boost clock speed

1242 MHz

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

112 GB/s

599% significantly higher memory bandwidth

16.02 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

50 W

23 W

117% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

20.6 Gigapixels/s

107% significantly higher pixel rate

9.94 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

51.48 Gigatexels/s

72% significantly higher texture rate

29.81 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

512

33% slightly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

66% 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

337th of 586

375th of 586

Family

The product line

Radeon RX 500X Series

Release date

The official date of release of this chip

2018 March

2016 June

Memory Type

The type of memory used by this chip

GDDR5

DDR3

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon RX 550X vs GeForce 940MX comparison

According to the hardwareDB Benchmark, the Radeon RX 550X GPU is faster than the GeForce 940MX in gaming.

The Radeon RX 550X 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. In addition, the Radeon RX 550X also has a slightly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

In addition, the GeForce 940MX has a significantly lower TDP at 23 W when compared to the Radeon RX 550X at 50 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 550X over the GeForce 940MX.