GeForce GTX 580 vs GeForce GTX 960

Intro

Compare those specs to the GeForce GTX 960, which features a core clock frequency of 1127 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is made up of 1024 SPUs, 64 Texture Address Units, 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.

3DMark Fire Strike Graphics Score

GeForce GTX 960		7627 points
GeForce GTX 580		4956 points
	Difference: 2671 (54%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960		120 Watts
GeForce GTX 580		244 Watts
	Difference: 124 Watts (103%)

Memory Bandwidth

In theory, the GeForce GTX 580 is 72% faster than the GeForce GTX 960 overall, due to its greater bandwidth. (explain)

GeForce GTX 580		192384 MB/sec
GeForce GTX 960		112000 MB/sec
	Difference: 80384 (72%)

Texel Rate

The GeForce GTX 960 should be much (approximately 46%) faster with regards to texture filtering than the GeForce GTX 580. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 22720 (46%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 580 is superior to the GeForce GTX 960, but it probably won't make a huge difference. (explain)

GeForce GTX 580		37056 Mpixels/sec
GeForce GTX 960		36064 Mpixels/sec
	Difference: 992 (3%)

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 maximum amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many 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.