GeForce GTX 580 vs GeForce GTX 980

Intro

Compare all that to the GeForce GTX 980, which has core clock speeds of 1126 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 64 Rasterization Operator 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.

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980		63 FPS
GeForce GTX 580		25 FPS
	Difference: 38 (152%)

3DMark Fire Strike Graphics Score

GeForce GTX 980		13552 points
GeForce GTX 580		4956 points
	Difference: 8596 (173%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
GeForce GTX 580		244 Watts
	Difference: 79 Watts (48%)

Memory Bandwidth

The GeForce GTX 980 should theoretically perform a little bit faster than the GeForce GTX 580 in general. (explain)

GeForce GTX 980		224000 MB/sec
GeForce GTX 580		192384 MB/sec
	Difference: 31616 (16%)

Texel Rate

The GeForce GTX 980 should be a lot (about 192%) faster with regards to AF than the GeForce GTX 580. (explain)

GeForce GTX 980		144128 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 94720 (192%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 980 is superior to the GeForce GTX 580, by far. (explain)

GeForce GTX 980		72064 Mpixels/sec
GeForce GTX 580		37056 Mpixels/sec
	Difference: 35008 (94%)

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 largest amount of data (counted in megabytes per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 figure is calculated by multiplying the total number of texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.