GeForce GTX 580 vs Geforce GTX 680

Intro

Compare those specs to the Geforce GTX 680, which has a GPU core clock speed of 1006 MHz, and 2048 MB of GDDR5 RAM set to run at 1502 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 TAUs, and 32 ROPs.

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.

Grand Theft Auto V | 1920x1080 | Very High

Geforce GTX 680		38 FPS
GeForce GTX 580		25 FPS
	Difference: 13 (52%)

3DMark Fire Strike Graphics Score

Geforce GTX 680		7650 points
GeForce GTX 580		4956 points
	Difference: 2694 (54%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680		195 Watts
GeForce GTX 580		244 Watts
	Difference: 49 Watts (25%)

Memory Bandwidth

In theory, the GeForce GTX 580 should perform just a bit faster than the Geforce GTX 680 in general. (explain)

GeForce GTX 580		192384 MB/sec
Geforce GTX 680		192256 MB/sec
	Difference: 128 (0%)

Texel Rate

The Geforce GTX 680 will be quite a bit (more or less 161%) faster with regards to anisotropic filtering than the GeForce GTX 580. (explain)

Geforce GTX 680		128768 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 79360 (161%)

Pixel Rate

The GeForce GTX 580 will be a little bit (more or less 15%) more effective at full screen anti-aliasing than the Geforce GTX 680, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 580		37056 Mpixels/sec
Geforce GTX 680		32192 Mpixels/sec
	Difference: 4864 (15%)

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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is worked out by multiplying the total texture units of the card by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.