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Radeon HD 7950 vs Radeon RX 5500 XT

Intro

The Radeon HD 7950 uses a 28 nm design. AMD has set the core speed at 800 MHz. The GDDR5 memory runs at a speed of 1250 MHz on this particular card. It features 1792 SPUs along with 112 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon RX 5500 XT, which uses a 7 nm design. AMD has clocked the core frequency at 1717 MHz. The GDDR6 memory is set to run at a frequency of 1750 MHz on this particular model. 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 XT 130 Watts
Radeon HD 7950 200 Watts
Difference: 70 Watts (54%)

Memory Bandwidth

Performance-wise, the Radeon HD 7950 should in theory be a little bit superior to the Radeon RX 5500 XT in general. (explain)

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

Texel Rate

The Radeon RX 5500 XT will be much (about 69%) better at texture filtering than the Radeon HD 7950. (explain)

Radeon RX 5500 XT 151096 Mtexels/sec
Radeon HD 7950 89600 Mtexels/sec
Difference: 61496 (69%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 5500 XT is the winner, by a large margin. (explain)

Radeon RX 5500 XT 54944 Mpixels/sec
Radeon HD 7950 25600 Mpixels/sec
Difference: 29344 (115%)

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

Amazon.com

Check prices at:

Radeon RX 5500 XT

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 Radeon RX 5500 XT
Manufacturer AMD AMD
Year January 2012 December 2019
Code Name Tahiti Pro Navi 14 XTX
Memory 1536 MB 8192 MB
Core Speed 800 MHz 1717 MHz
Memory Speed 5000 MHz 3500 GB/s
Power (Max TDP) 200 watts 130 watts
Bandwidth 240000 MB/sec 229376 MB/sec
Texel Rate 89600 Mtexels/sec 151096 Mtexels/sec
Pixel Rate 25600 Mpixels/sec 54944 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: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 7950

Amazon.com

Check prices at:

Radeon RX 5500 XT

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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