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Radeon HD 7950 vs Radeon RX 5600

Intro

The Radeon HD 7950 features clock speeds of 800 MHz on the GPU, and 1250 MHz on the 1536 MB of GDDR5 memory. It features 1792 SPUs along with 112 TAUs and 32 ROPs.

Compare those specs to the Radeon RX 5600, which has a core clock frequency of 1375 MHz and a GDDR6 memory speed of 12000 MHz. It also features a 192-bit memory bus, and uses a 7 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 150 Watts
Radeon HD 7950 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

As far as performance goes, the Radeon RX 5600 should in theory be quite a bit better than the Radeon HD 7950 in general. (explain)

Radeon RX 5600 294912 MB/sec
Radeon HD 7950 240000 MB/sec
Difference: 54912 (23%)

Texel Rate

The Radeon RX 5600 should be much (more or less 96%) more effective at texture filtering than the Radeon HD 7950. (explain)

Radeon RX 5600 176000 Mtexels/sec
Radeon HD 7950 89600 Mtexels/sec
Difference: 86400 (96%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5600 is the winner, and very much so. (explain)

Radeon RX 5600 88000 Mpixels/sec
Radeon HD 7950 25600 Mpixels/sec
Difference: 62400 (244%)

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 5600

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 5600
Manufacturer AMD AMD
Year January 2012 January 2020
Code Name Tahiti Pro Navi 10 XE
Memory 1536 MB 6144 MB
Core Speed 800 MHz 1375 MHz
Memory Speed 5000 MHz 24000 GB/s
Power (Max TDP) 200 watts 150 watts
Bandwidth 240000 MB/sec 294912 MB/sec
Texel Rate 89600 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 25600 Mpixels/sec 88000 Mpixels/sec
Unified Shaders 1792 2048
Texture Mapping Units 112 128
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 384-bit 192-bit
Fab Process 28 nm 7 nm
Transistors 4313 million 10300 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 maximum amount of data (measured in megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 7950

Amazon.com

Check prices at:

Radeon RX 5600

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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