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Radeon HD 7950 3GB vs Radeon RX 5600

Intro

The Radeon HD 7950 3GB features a clock frequency of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 384-bit memory bus, and uses a 28 nm design. It features 1792 SPUs, 112 TAUs, and 32 ROPs.

Compare those specs to the Radeon RX 5600, which comes with clock speeds of 1375 MHz on the GPU, and 12000 MHz on the 6144 MB of GDDR6 memory. It features 2048 SPUs along with 128 TAUs 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

The Radeon RX 5600 should theoretically be quite a bit faster than the Radeon HD 7950 3GB overall. (explain)

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

Texel Rate

The Radeon RX 5600 will be quite a bit (approximately 96%) faster with regards to texture filtering 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

If running with high levels of AA is important to you, then the Radeon RX 5600 is a better choice, by far. (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: Bandwidth is the max amount of data (measured in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once 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 anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This number 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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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.

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