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Radeon HD 5970 vs Radeon RX 460 2GB

Intro

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

Compare all of that to the Radeon RX 460 2GB, which has GPU clock speed of 1090 MHz, and 2048 MB of GDDR5 RAM set to run at 1750 MHz through a 128-bit bus. It also is made up of 896 Stream Processors, 56 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB 75 Watts
Radeon HD 5970 294 Watts
Difference: 219 Watts (292%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5970 should theoretically be a lot superior to the Radeon RX 460 2GB in general. (explain)

Radeon HD 5970 256000 MB/sec
Radeon RX 460 2GB 112000 MB/sec
Difference: 144000 (129%)

Texel Rate

The Radeon HD 5970 should be much (approximately 280%) better at anisotropic filtering than the Radeon RX 460 2GB. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon RX 460 2GB 61040 Mtexels/sec
Difference: 170960 (280%)

Pixel Rate

The Radeon HD 5970 will be much (about 432%) more effective at anti-aliasing than the Radeon RX 460 2GB, and also will be capable of handling higher resolutions while still performing well. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon RX 460 2GB 17440 Mpixels/sec
Difference: 75360 (432%)

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 460 2GB

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 460 2GB
Manufacturer AMD AMD
Year November 2009 August 2016
Code Name Hemlock XT Polaris 11
Memory 1024 MB (x2) 2048 MB
Core Speed 725 MHz (x2) 1090 MHz
Memory Speed 4000 MHz (x2) 7000 MHz
Power (Max TDP) 294 watts 75 watts
Bandwidth 256000 MB/sec 112000 MB/sec
Texel Rate 232000 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 1600 (x2) 896
Texture Mapping Units 160 (x2) 56
Render Output Units 64 (x2) 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 40 nm 14 nm
Transistors 2154 million 3000 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: Memory bandwidth is the max amount of information (counted in MB per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon RX 460 2GB

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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