GeForce GTX 580 vs GeForce GTX 980 Ti

Intro

Compare those specifications to the GeForce GTX 980 Ti, which makes use of a 28 nm design. nVidia has set the core frequency at 1000 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this card. It features 2816 SPUs along with 176 Texture Address Units and 96 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 Ti		80 FPS
GeForce GTX 580		25 FPS
	Difference: 55 (220%)

3DMark Fire Strike Graphics Score

GeForce GTX 980 Ti		17120 points
GeForce GTX 580		4956 points
	Difference: 12164 (245%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 580		244 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 6 Watts (2%)

Memory Bandwidth

Performance-wise, the GeForce GTX 980 Ti should theoretically be much better than the GeForce GTX 580 overall. (explain)

GeForce GTX 980 Ti		336000 MB/sec
GeForce GTX 580		192384 MB/sec
	Difference: 143616 (75%)

Texel Rate

The GeForce GTX 980 Ti is a lot (more or less 256%) more effective at AF than the GeForce GTX 580. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 126592 (256%)

Pixel Rate

The GeForce GTX 980 Ti will be much (more or less 159%) faster with regards to AA than the GeForce GTX 580, and able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
GeForce GTX 580		37056 Mpixels/sec
	Difference: 58944 (159%)

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 max amount of data (in units of MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is worked out 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 the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. 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 quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.