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Radeon HD 7970 vs Radeon RX 5600

Intro

The Radeon HD 7970 features a GPU core clock speed of 925 MHz, and the 3072 MB of GDDR5 RAM runs at 1375 MHz through a 384-bit bus. It also is comprised of 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon RX 5600, which has clock speeds of 1375 MHz on the GPU, and 12000 MHz on the 6144 MB of GDDR6 RAM. It features 2048 SPUs as well as 128 TAUs and 64 Rasterization Operator Units.

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 should be 12% faster than the Radeon HD 7970 in general, due to 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 is much (approximately 49%) more effective at AF than the Radeon HD 7970. (explain)

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

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 5600 is a better choice, and very much so. (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: Memory bandwidth is the max amount of data (in units of MB per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum 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 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 one 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. Pixel rate is worked out by multiplying the number of Render Output Units 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 rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum 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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