GeForce GTX 560 Ti 448 vs GeForce GTX 580

Intro

Compare those specs to the GeForce GTX 580, which uses a 40 nm design. nVidia has clocked the core speed at 772 MHz. The GDDR5 RAM works at a frequency of 1002 MHz on this specific model. It features 512 SPUs as well as 64 TAUs and 48 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.

3DMark Fire Strike Graphics Score

GeForce GTX 580		4956 points
GeForce GTX 560 Ti 448		4200 points
	Difference: 756 (18%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti 448		210 Watts
GeForce GTX 580		244 Watts
	Difference: 34 Watts (16%)

Memory Bandwidth

Performance-wise, the GeForce GTX 580 should theoretically be a lot superior to the GeForce GTX 560 Ti 448 overall. (explain)

GeForce GTX 580		192384 MB/sec
GeForce GTX 560 Ti 448		144000 MB/sec
	Difference: 48384 (34%)

Texel Rate

The GeForce GTX 580 will be quite a bit (approximately 21%) faster with regards to AF than the GeForce GTX 560 Ti 448. (explain)

GeForce GTX 580		49408 Mtexels/sec
GeForce GTX 560 Ti 448		40992 Mtexels/sec
	Difference: 8416 (21%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 580 is superior to the GeForce GTX 560 Ti 448, and very much so. (explain)

GeForce GTX 580		37056 Mpixels/sec
GeForce GTX 560 Ti 448		29280 Mpixels/sec
	Difference: 7776 (27%)

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 MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.