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Radeon HD 5970 vs Radeon RX 580

Intro

The Radeon HD 5970 has a clock speed of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 1600 SPUs, 160 TAUs, and 64 ROPs.

Compare all that to the Radeon RX 580, which has GPU clock speed of 1257 MHz, and 8192 MB of GDDR5 memory set to run at 2000 MHz through a 256-bit bus. It also is comprised of 2304 Stream Processors, 144 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 580 185 Watts
Radeon HD 5970 294 Watts
Difference: 109 Watts (59%)

Memory Bandwidth

In theory, the Radeon RX 580 should be just a bit faster than the Radeon HD 5970 in general. (explain)

Radeon RX 580 262144 MB/sec
Radeon HD 5970 256000 MB/sec
Difference: 6144 (2%)

Texel Rate

The Radeon HD 5970 will be quite a bit (approximately 28%) better at anisotropic filtering than the Radeon RX 580. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon RX 580 181008 Mtexels/sec
Difference: 50992 (28%)

Pixel Rate

The Radeon HD 5970 is a lot (about 131%) faster with regards to anti-aliasing than the Radeon RX 580, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon RX 580 40224 Mpixels/sec
Difference: 52576 (131%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon HD 5970

Amazon.com

Check prices at:

Radeon RX 580

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 5970 Radeon RX 580
Manufacturer AMD AMD
Year November 2009 April 2017
Code Name Hemlock XT Polaris 20
Memory 1024 MB (x2) 8192 MB
Core Speed 725 MHz (x2) 1257 MHz
Memory Speed 4000 MHz (x2) 8000 MHz
Power (Max TDP) 294 watts 185 watts
Bandwidth 256000 MB/sec 262144 MB/sec
Texel Rate 232000 Mtexels/sec 181008 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 40224 Mpixels/sec
Unified Shaders 1600 (x2) 2304
Texture Mapping Units 160 (x2) 144
Render Output Units 64 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 40 nm 14 nm
Transistors 2154 million 5700 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it should 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 AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon RX 580

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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