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Radeon HD 5970 vs Radeon RX 550

Intro

The Radeon HD 5970 uses a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 memory runs at a speed of 1000 MHz on this specific model. It features 1600 SPUs along with 160 TAUs and 64 ROPs.

Compare those specs to the Radeon RX 550, which features a core clock frequency of 1100 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 128-bit bus, and makes use of a 14 nm design. It is made up of 512 SPUs, 32 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon HD 5970 294 Watts
Difference: 244 Watts (488%)

Memory Bandwidth

The Radeon HD 5970 should in theory be much faster than the Radeon RX 550 in general. (explain)

Radeon HD 5970 256000 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 141312 (123%)

Texel Rate

The Radeon HD 5970 is quite a bit (approximately 559%) better at AF than the Radeon RX 550. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 196800 (559%)

Pixel Rate

The Radeon HD 5970 will be much (approximately 427%) faster with regards to FSAA than the Radeon RX 550, and should be able to handle higher screen resolutions more effectively. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 75200 (427%)

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 550

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 550
Manufacturer AMD AMD
Year November 2009 April 2017
Code Name Hemlock XT Polaris 12
Memory 1024 MB (x2) 2048 MB
Core Speed 725 MHz (x2) 1100 MHz
Memory Speed 4000 MHz (x2) 7000 MHz
Power (Max TDP) 294 watts 50 watts
Bandwidth 256000 MB/sec 114688 MB/sec
Texel Rate 232000 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 1600 (x2) 512
Texture Mapping Units 160 (x2) 32
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 2200 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 data (in units of MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 amount of texture map elements (texels) that can be applied per second. This number 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon RX 550

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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