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GeForce GTX 980 vs Geforce GTX 680

Intro

The GeForce GTX 980 has a GPU core clock speed of 1126 MHz, and the 4096 MB of GDDR5 RAM runs at 1750 MHz through a 256-bit bus. It also is made up of 2048 SPUs, 128 TAUs, and 64 Raster Operation Units.

Compare that to the Geforce GTX 680, which uses a 28 nm design. nVidia has set the core speed at 1006 MHz. The GDDR5 memory works at a speed of 1502 MHz on this particular model. It features 1536 SPUs as well as 128 TAUs 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

Theoretically speaking, the GeForce GTX 980 will be 17% quicker than the Geforce GTX 680 overall, due to its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 980 should be a bit (approximately 12%) more effective at 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 will be a lot (about 124%) better at AA than the Geforce GTX 680, and also should be capable of handling higher resolutions without slowing down too much. (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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. 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 output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory 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:

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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