AMD Radeon HD 7990 vs AMD Radeon Pro 575

GPU Comparison

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Benchmark Score

Overall Score

General gaming and workstation score

1743 points
1752 points
0.52% slightly better overall score

Flux Core frame rate

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

41 FPS
42 FPS
2 FPS slightly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

25 FPS
4 FPS slightly higher Electron frame rate
21 FPS

City frame rate

Procedurally generated city scene with voxel rendering

35 FPS
Identical
35 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

14 FPS
14 FPS
0 FPS slightly higher Clouds frame rate

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Specifications

Memory Bus Width

Number of parallel lines to the memory chips

384 Bit
49% significantly larger memory bus width
256 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

288 GB/s
32% slightly higher memory bandwidth
217 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

375 W
150 W
150% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

32 Gigapixels/s
35.07 Gigapixels/s
9% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

128 Gigatexels/s
140.3 Gigatexels/s
9% slightly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

4.10 TFLOPS
4.49 TFLOPS
9% slightly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2048
Identical
2048

Texture Mapping Units

Number of processors dedicated to applying textures

128
Identical
128

Render Output Processors

Number of processors dedicated to final pixel rendering

32
Identical
32

Other details

Rank

Ranking in the hardwareDB database

224th of 587
223rd of 587

Family

The product line

Radeon HD 7000 Series
-

Release date

The official date of release of this chip

-
2017 June

Memory Type

The type of memory used by this chip

GDDR5
GDDR5

DirectX Support

Maximum version of DirectX supported

11.2
12.0

OpenGL Support

Maximum version of OpenGL supported

4.4
4.6

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