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Radeon HD 7970 vs Radeon RX 5600

Intro

The Radeon HD 7970 has clock speeds of 925 MHz on the GPU, and 1375 MHz on the 3072 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon RX 5600, which comes with core 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.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 150 Watts
Radeon HD 7970 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 5600 is 12% faster than the Radeon HD 7970 overall, because of its higher bandwidth. (explain)

Radeon RX 5600 294912 MB/sec
Radeon HD 7970 264000 MB/sec
Difference: 30912 (12%)

Texel Rate

The Radeon RX 5600 will be a lot (about 49%) more effective at texture filtering than the Radeon HD 7970. (explain)

Radeon RX 5600 176000 Mtexels/sec
Radeon HD 7970 118400 Mtexels/sec
Difference: 57600 (49%)

Pixel Rate

The Radeon RX 5600 will be a lot (about 197%) better at full screen anti-aliasing than the Radeon HD 7970, and also able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX 5600 88000 Mpixels/sec
Radeon HD 7970 29600 Mpixels/sec
Difference: 58400 (197%)

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 7970

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 7970 Radeon RX 5600
Manufacturer AMD AMD
Year January 2012 January 2020
Code Name Tahiti XT Navi 10 XE
Memory 3072 MB 6144 MB
Core Speed 925 MHz 1375 MHz
Memory Speed 5500 MHz 24000 GB/s
Power (Max TDP) 250 watts 150 watts
Bandwidth 264000 MB/sec 294912 MB/sec
Texel Rate 118400 Mtexels/sec 176000 Mtexels/sec
Pixel Rate 29600 Mpixels/sec 88000 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
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 largest amount of data (in units of MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of 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 7970

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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