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Radeon HD 7950 3GB vs Radeon RX 5500 XT

Intro

The Radeon HD 7950 3GB makes use of a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 memory runs at a speed of 1250 MHz on this particular model. It features 1792 SPUs along with 112 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon RX 5500 XT, which comes with GPU clock speed of 1717 MHz, and 8192 MB of GDDR6 memory set to run at 1750 MHz through a 128-bit bus. It also is comprised of 1408 SPUs, 88 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT 130 Watts
Radeon HD 7950 3GB 200 Watts
Difference: 70 Watts (54%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7950 3GB should theoretically be a little bit superior to the Radeon RX 5500 XT overall. (explain)

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

Texel Rate

The Radeon RX 5500 XT will be quite a bit (about 69%) better at texture filtering than the Radeon HD 7950 3GB. (explain)

Radeon RX 5500 XT 151096 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 61496 (69%)

Pixel Rate

The Radeon RX 5500 XT will be a lot (about 115%) better at full screen anti-aliasing than the Radeon HD 7950 3GB, and will be capable of handling higher screen resolutions more effectively. (explain)

Radeon RX 5500 XT 54944 Mpixels/sec
Radeon HD 7950 3GB 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 3GB

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 3GB Radeon RX 5500 XT
Manufacturer AMD AMD
Year January 2012 December 2019
Code Name Tahiti Pro Navi 14 XTX
Memory 3072 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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card 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 applied in one second.

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

Display Prices

Hide Prices

Radeon HD 7950 3GB

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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