AMD Radeon HD 7990 vs NVIDIA GeForce MX550

Compare AMD Radeon HD 7990 3 GB vs NVIDIA GeForce MX550, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

1743 points

5% slightly better overall score

1650 points

Flux Core frame rate

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

41 FPS

Identical

41 FPS

Electron frame rate

Randomly generated noise sphere test

25 FPS

2 FPS slightly higher Electron frame rate

23 FPS

City frame rate

Procedurally generated city scene with voxel rendering

35 FPS

9 FPS significantly higher City frame rate

27 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

14 FPS

15 FPS

2 FPS slightly higher Clouds frame rate

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Specifications

Core Clock Speed

Nominal chip frequency

950 MHz

1065 MHz

12% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1000 MHz

1320 MHz

32% slightly higher boost clock speed

Memory Bus Width

Number of parallel lines to the memory chips

384 Bit

499% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

288 GB/s

200% significantly higher memory bandwidth

96 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

375 W

25 W

1399% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

32 Gigapixels/s

51% significantly higher pixel rate

21.12 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

128 Gigatexels/s

203% significantly higher texture rate

42.24 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

4.10 TFLOPS

51% significantly better floating point performance

2.70 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2048

100% significantly more shading units

1024

Texture Mapping Units

Number of processors dedicated to applying textures

128

300% 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

223rd of 586

231st of 586

Family

The product line

Radeon HD 7000 Series

Memory Type

The type of memory used by this chip

GDDR5

GDDR6

DirectX Support

Maximum version of DirectX supported

11.2

12.0

OpenGL Support

Maximum version of OpenGL supported

4.4

4.6

Radeon HD 7990 vs GeForce MX550 benchmarks

For gaming, the Radeon HD 7990 graphics card is better than the GeForce MX550 in our tests.

In our comparison, the GeForce MX550 has a slightly 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 GeForce MX550 also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the GeForce MX550 has a significantly lower TDP at 25 W when compared to the Radeon HD 7990 at 375 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 conclusion, all specs and GPU benchmarks considered, will recommend the Radeon HD 7990 over the GeForce MX550.