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Radeon HD 7950 3GB vs Radeon RX 5500

Intro

The Radeon HD 7950 3GB uses a 28 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM works at a speed of 1250 MHz on this specific card. It features 1792 SPUs along with 112 Texture Address Units and 32 ROPs.

Compare that to the Radeon RX 5500, which comes with clock speeds of 1670 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR6 RAM. It features 1408 SPUs along with 88 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 150 Watts
Radeon HD 7950 3GB 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 7950 3GB should perform a little bit faster than the Radeon RX 5500 in general. (explain)

Radeon HD 7950 3GB 240000 MB/sec
Radeon RX 5500 229376 MB/sec
Difference: 10624 (5%)

Texel Rate

The Radeon RX 5500 should be quite a bit (more or less 64%) more effective at AF than the Radeon HD 7950 3GB. (explain)

Radeon RX 5500 146960 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 57360 (64%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 5500 is superior to the Radeon HD 7950 3GB, by a large margin. (explain)

Radeon RX 5500 53440 Mpixels/sec
Radeon HD 7950 3GB 25600 Mpixels/sec
Difference: 27840 (109%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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Radeon HD 7950 3GB

Amazon.com

Check prices at:

Radeon RX 5500

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon HD 7950 3GB Radeon RX 5500
Manufacturer AMD AMD
Year January 2012 October 2019
Code Name Tahiti Pro Navi 14 XT
Memory 3072 MB 4096 MB
Core Speed 800 MHz 1670 MHz
Memory Speed 5000 MHz 3500 GB/s
Power (Max TDP) 200 watts 150 watts
Bandwidth 240000 MB/sec 229376 MB/sec
Texel Rate 89600 Mtexels/sec 146960 Mtexels/sec
Pixel Rate 25600 Mpixels/sec 53440 Mpixels/sec
Unified Shaders 1792 1408
Texture Mapping Units 112 88
Render Output Units 32 32
Bus Type GDDR5 GDDR6
Bus Width 384-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 4313 million 6400 million
Bus PCIe 3.0 x16 PCIe 4.0 ×16
DirectX Version DirectX 11.1 DirectX 12
OpenGL Version OpenGL 4.2 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 7950 3GB

Amazon.com

Check prices at:

Radeon RX 5500

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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