AMD Radeon RX 5500M vs AMD Radeon HD 7990

Compare AMD Radeon RX 5500M 4 GB vs AMD Radeon HD 7990 3 GB, 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

1993 points

14% slightly better overall score

1743 points

Flux Core frame rate

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

44 FPS

3 FPS slightly higher Flux Core frame rate

41 FPS

Electron frame rate

Randomly generated noise sphere test

31 FPS

6 FPS slightly higher Electron frame rate

25 FPS

City frame rate

Procedurally generated city scene with voxel rendering

38 FPS

3 FPS slightly higher City frame rate

35 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

18 FPS

4 FPS significantly higher Clouds frame rate

14 FPS

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Specifications

Core Clock Speed

Nominal chip frequency

1375 MHz

44% significantly higher core clock speed

950 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1645 MHz

64% significantly higher boost clock speed

1000 MHz

Memory

Onboard memory size for textures and vertices

4 GiB

33% slightly more memory

3 GiB

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

384 Bit

200% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

224 GB/s

288 GB/s

28% slightly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

85 W

341% significantly lower TDP

375 W

Pixel Rate

Number of pixels that can be rendered per second

52.6 Gigapixels/s

64% significantly higher pixel rate

32 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

144.76 Gigatexels/s

13% slightly higher texture rate

128 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

4.63 TFLOPS

13% slightly better floating point performance

4.10 TFLOPS

Shading Units

Number of processors dedicated to shader processing

1408

2048

45% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

128

45% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

209th of 586

223rd of 586

Family

The product line

Radeon RX 5000 Series

Radeon HD 7000 Series

Release date

The official date of release of this chip

2019 July

Memory Type

The type of memory used by this chip

GDDR6

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.2

OpenGL Support

Maximum version of OpenGL supported

4.6

4.4

Radeon RX 5500M vs Radeon HD 7990 comparison

According to the hardwareDB Benchmark, the Radeon RX 5500M GPU is faster than the Radeon HD 7990 in gaming.

The Radeon RX 5500M has a significantly 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 Radeon RX 5500M also has a significantly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

As stated by the manufacturer, the Radeon RX 5500M has slightly more memory with 4 GiB of memory compared to 3 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the Radeon RX 5500M has a significantly lower TDP at 85 W when compared to the Radeon HD 7990 at 375 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In terms of raw gaming performance in our GPU benchmark, the Radeon RX 5500M is better than the Radeon HD 7990.