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GeForce GTX 980 vs Geforce GTX 680

Intro

The GeForce GTX 980 comes with a clock speed of 1126 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 64 Raster Operation Units.

Compare all of that to the Geforce GTX 680, which comes with core clock speeds of 1006 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator 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
Geforce GTX 680 7650 points
Difference: 5902 (77%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980 63 FPS
Geforce GTX 680 38 FPS
Difference: 25 (66%)

Ethereum Mining Hash Rate

GeForce GTX 980 20 Mh/s
Geforce GTX 680 16 Mh/s
Difference: 4 (25%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 165 Watts
Geforce GTX 680 195 Watts
Difference: 30 Watts (18%)

Memory Bandwidth

The GeForce GTX 980, in theory, should perform a little bit faster than the Geforce GTX 680 in general. (explain)

GeForce GTX 980 224000 MB/sec
Geforce GTX 680 192256 MB/sec
Difference: 31744 (17%)

Texel Rate

The GeForce GTX 980 is a small bit (approximately 12%) faster with regards to anisotropic filtering than the Geforce GTX 680. (explain)

GeForce GTX 980 144128 Mtexels/sec
Geforce GTX 680 128768 Mtexels/sec
Difference: 15360 (12%)

Pixel Rate

The GeForce GTX 980 should be quite a bit (approximately 124%) more effective at FSAA than the Geforce GTX 680, and will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 980 72064 Mpixels/sec
Geforce GTX 680 32192 Mpixels/sec
Difference: 39872 (124%)

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

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Geforce GTX 680

Amazon.com

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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 Geforce GTX 680
Manufacturer nVidia nVidia
Year September 2014 March 2012
Code Name GM204-400 GK104
Memory 4096 MB 2048 MB
Core Speed 1126 MHz 1006 MHz
Memory Speed 7000 MHz 6008 MHz
Power (Max TDP) 165 watts 195 watts
Bandwidth 224000 MB/sec 192256 MB/sec
Texel Rate 144128 Mtexels/sec 128768 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 32192 Mpixels/sec
Unified Shaders 2048 1536
Texture Mapping Units 128 128
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it must 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

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

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

Display Prices

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GeForce GTX 980

Amazon.com

Check prices at:

Geforce GTX 680

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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