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Radeon HD 5970 vs Radeon RX 470 4GB

Intro

The Radeon HD 5970 features a GPU core speed of 725 MHz, and the 1024 MB of GDDR5 memory runs at 1000 MHz through a 256-bit bus. It also features 1600 Stream Processors, 160 TAUs, and 64 Raster Operation Units.

Compare all that to the Radeon RX 470 4GB, which makes use of a 14 nm design. AMD has clocked the core speed at 926 MHz. The GDDR5 memory works at a frequency of 1650 MHz on this particular model. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB 120 Watts
Radeon HD 5970 294 Watts
Difference: 174 Watts (145%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5970 should perform much faster than the Radeon RX 470 4GB overall. (explain)

Radeon HD 5970 256000 MB/sec
Radeon RX 470 4GB 211200 MB/sec
Difference: 44800 (21%)

Texel Rate

The Radeon HD 5970 should be much (more or less 96%) more effective at anisotropic filtering than the Radeon RX 470 4GB. (explain)

Radeon HD 5970 232000 Mtexels/sec
Radeon RX 470 4GB 118528 Mtexels/sec
Difference: 113472 (96%)

Pixel Rate

The Radeon HD 5970 is a lot (approximately 213%) better at anti-aliasing than the Radeon RX 470 4GB, and also should be able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 5970 92800 Mpixels/sec
Radeon RX 470 4GB 29632 Mpixels/sec
Difference: 63168 (213%)

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 470 4GB

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 470 4GB
Manufacturer AMD AMD
Year November 2009 August 2016
Code Name Hemlock XT Polaris 10
Memory 1024 MB (x2) 4096 MB
Core Speed 725 MHz (x2) 926 MHz
Memory Speed 4000 MHz (x2) 6600 MHz
Power (Max TDP) 294 watts 120 watts
Bandwidth 256000 MB/sec 211200 MB/sec
Texel Rate 232000 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 92800 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 1600 (x2) 2048
Texture Mapping Units 160 (x2) 128
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: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5970

Amazon.com

Check prices at:

Radeon RX 470 4GB

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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