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Radeon HD 5970 vs Radeon RX 550

Intro

The Radeon HD 5970 comes with core speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1600 SPUs as well as 160 Texture Address Units and 64 ROPs.

Compare those specifications to the Radeon RX 550, which features core clock speeds of 1100 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator 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

Theoretically speaking, the Radeon HD 5970 is 123% faster than the Radeon RX 550 in general, due to its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 5970 will be quite a bit (more or less 559%) faster with regards to 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 (more or less 427%) more effective at AA than the Radeon RX 550, and also should be able to handle higher screen resolutions without losing too much performance. (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: Memory bandwidth is the max amount of data (measured in MB per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also 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, most notably the memory bandwidth - the lower the memory 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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