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Radeon HD 7950 3GB vs Radeon RX 5600

Intro

The Radeon HD 7950 3GB has clock speeds of 800 MHz on the GPU, and 1250 MHz on the 3072 MB of GDDR5 RAM. It features 1792 SPUs along with 112 TAUs and 32 ROPs.

Compare that to the Radeon RX 5600, which uses a 7 nm design. AMD has set the core frequency at 1375 MHz. The GDDR6 memory is set to run at a frequency of 12000 MHz on this particular model. It features 2048 SPUs along with 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 3GB 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

Performance-wise, the Radeon RX 5600 should in theory be much better than the Radeon HD 7950 3GB in general. (explain)

Radeon RX 5600 294912 MB/sec
Radeon HD 7950 3GB 240000 MB/sec
Difference: 54912 (23%)

Texel Rate

The Radeon RX 5600 is a lot (approximately 96%) faster with regards to AF than the Radeon HD 7950 3GB. (explain)

Radeon RX 5600 176000 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 86400 (96%)

Pixel Rate

The Radeon RX 5600 is a lot (more or less 244%) better at anti-aliasing than the Radeon HD 7950 3GB, and also will be able to handle higher screen resolutions better. (explain)

Radeon RX 5600 88000 Mpixels/sec
Radeon HD 7950 3GB 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 3GB

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 3GB Radeon RX 5600
Manufacturer AMD AMD
Year January 2012 January 2020
Code Name Tahiti Pro Navi 10 XE
Memory 3072 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 largest amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 7950 3GB

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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