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GeForce GTX 980 vs Geforce GTX 680

Intro

The GeForce GTX 980 features a clock speed of 1126 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 64 Raster Operation Units.

Compare those specs to the Geforce GTX 680, which features a GPU core clock speed of 1006 MHz, and 2048 MB of GDDR5 memory set to run at 1502 MHz through a 256-bit bus. It also is comprised of 1536 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
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% faster than the Geforce GTX 680 in general, due to its higher data rate. (explain)

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

Texel Rate

The GeForce GTX 980 will be just a bit (more or less 12%) more effective at AF than the Geforce GTX 680. (explain)

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

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 980 is the winner, by far. (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 max amount of data (counted in MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 number of 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 clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of 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 fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach 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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