GeForce GTX 980 Ti vs Geforce GTX 680

Intro

Compare all of that to the Geforce GTX 680, which comes with GPU core speed of 1006 MHz, and 2048 MB of GDDR5 RAM running at 1502 MHz through a 256-bit bus. It also features 1536 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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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 Ti		17120 points
Geforce GTX 680		7650 points
	Difference: 9470 (124%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980 Ti		80 FPS
Geforce GTX 680		38 FPS
	Difference: 42 (111%)

Ethereum Mining Hash Rate

GeForce GTX 980 Ti		22 Mh/s
Geforce GTX 680		16 Mh/s
	Difference: 6 (38%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680		195 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 55 Watts (28%)

Memory Bandwidth

Theoretically, the GeForce GTX 980 Ti should perform a lot faster than the Geforce GTX 680 overall. (explain)

GeForce GTX 980 Ti		336000 MB/sec
Geforce GTX 680		192256 MB/sec
	Difference: 143744 (75%)

Texel Rate

The GeForce GTX 980 Ti should be quite a bit (approximately 37%) better at anisotropic filtering than the Geforce GTX 680. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
Geforce GTX 680		128768 Mtexels/sec
	Difference: 47232 (37%)

Pixel Rate

The GeForce GTX 980 Ti will be quite a bit (more or less 198%) faster with regards to full screen anti-aliasing than the Geforce GTX 680, and also able to handle higher screen resolutions better. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
Geforce GTX 680		32192 Mpixels/sec
	Difference: 63808 (198%)

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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better 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 can be processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.