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GeForce GTX 970 vs Radeon HD 5970

Intro

The GeForce GTX 970 comes with a GPU clock speed of 1050 MHz, and the 4096 MB of GDDR5 RAM runs at 1750 MHz through a 256-bit bus. It also is made up of 1664 SPUs, 104 Texture Address Units, and 64 Raster Operation Units.

Compare all that to the Radeon HD 5970, which uses a 40 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this model. It features 1600 SPUs as well as 160 TAUs and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Radeon HD 5970 294 Watts
Difference: 149 Watts (103%)

Memory Bandwidth

Theoretically, the Radeon HD 5970 should perform just a bit faster than the GeForce GTX 970 overall. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 32000 (14%)

Texel Rate

The Radeon HD 5970 will be a lot (more or less 112%) more effective at texture filtering than the GeForce GTX 970. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 122800 (112%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 5970 is superior to the GeForce GTX 970, by a large margin. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 970 67200 Mpixels/sec
Difference: 25600 (38%)

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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GeForce GTX 970

Amazon.com

Check prices at:

Radeon HD 5970

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 GeForce GTX 970 Radeon HD 5970
Manufacturer nVidia AMD
Year September 2014 November 2009
Code Name GM204-200 Hemlock XT
Memory 4096 MB 1024 MB (x2)
Core Speed 1050 MHz 725 MHz (x2)
Memory Speed 7000 MHz 4000 MHz (x2)
Power (Max TDP) 145 watts 294 watts
Bandwidth 224000 MB/sec 256000 MB/sec
Texel Rate 109200 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 1664 1600 (x2)
Texture Mapping Units 104 160 (x2)
Render Output Units 64 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 28 nm 40 nm
Transistors 5200 million 2154 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 11.2 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units of the card by the core 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 970

Amazon.com

Check prices at:

Radeon HD 5970

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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