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GeForce GTX 970 vs Radeon HD 5970

Intro

The GeForce GTX 970 uses a 28 nm design. nVidia has clocked the core speed at 1050 MHz. The GDDR5 memory runs at a frequency of 1750 MHz on this specific card. It features 1664 SPUs along with 104 Texture Address Units and 64 Rasterization Operator Units.

Compare all of that to the Radeon HD 5970, which comes with GPU core speed of 725 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1600 Stream Processors, 160 TAUs, and 64 ROPs.

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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 speaking, the Radeon HD 5970 should be a bit faster than the GeForce GTX 970 in general. (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 (approximately 112%) better at AF than the GeForce GTX 970. (explain)

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

Pixel Rate

The Radeon HD 5970 is quite a bit (approximately 38%) better at AA than the GeForce GTX 970, and also should be capable of handling higher screen resolutions without losing too much performance. (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: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to 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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