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GeForce GTX 980 vs Radeon HD 7970

Intro

The GeForce GTX 980 features clock speeds of 1126 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 TAUs and 64 Rasterization Operator Units.

Compare those specifications to the Radeon HD 7970, which comes with GPU clock speed of 925 MHz, and 3072 MB of GDDR5 memory running at 1375 MHz through a 384-bit bus. It also is made up of 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 980 13552 points
Radeon HD 7970 8225 points
Difference: 5327 (65%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980 63 FPS
Radeon HD 7970 37 FPS
Difference: 26 (70%)

Ethereum Mining Hash Rate

Radeon HD 7970 21 Mh/s
GeForce GTX 980 20 Mh/s
Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 165 Watts
Radeon HD 7970 250 Watts
Difference: 85 Watts (52%)

Memory Bandwidth

Theoretically, the Radeon HD 7970 should perform a bit faster than the GeForce GTX 980 overall. (explain)

Radeon HD 7970 264000 MB/sec
GeForce GTX 980 224000 MB/sec
Difference: 40000 (18%)

Texel Rate

The GeForce GTX 980 will be a lot (more or less 22%) more effective at texture filtering than the Radeon HD 7970. (explain)

GeForce GTX 980 144128 Mtexels/sec
Radeon HD 7970 118400 Mtexels/sec
Difference: 25728 (22%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 980 is superior to the Radeon HD 7970, and very much so. (explain)

GeForce GTX 980 72064 Mpixels/sec
Radeon HD 7970 29600 Mpixels/sec
Difference: 42464 (143%)

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.

Price Comparison

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GeForce GTX 980

Amazon.com

Check prices at:

Radeon HD 7970

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 980 Radeon HD 7970
Manufacturer nVidia AMD
Year September 2014 January 2012
Code Name GM204-400 Tahiti XT
Memory 4096 MB 3072 MB
Core Speed 1126 MHz 925 MHz
Memory Speed 7000 MHz 5500 MHz
Power (Max TDP) 165 watts 250 watts
Bandwidth 224000 MB/sec 264000 MB/sec
Texel Rate 144128 Mtexels/sec 118400 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 980

Amazon.com

Check prices at:

Radeon HD 7970

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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