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GeForce GTX 580 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 580 comes with a GPU core speed of 772 MHz, and the 1536 MB of GDDR5 RAM runs at 1002 MHz through a 384-bit bus. It also features 512 Stream Processors, 64 Texture Address Units, and 48 ROPs.

Compare all that to the GeForce GTX 660 Ti, which makes use of a 28 nm design. nVidia has set the core frequency at 915 MHz. The GDDR5 memory works at a speed of 1500 MHz on this specific model. It features 1344 SPUs along with 112 TAUs and 24 ROPs.

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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 660 Ti 6013 points
GeForce GTX 580 4956 points
Difference: 1057 (21%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 580 244 Watts
Difference: 94 Watts (63%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 should be a lot faster than the GeForce GTX 660 Ti overall. (explain)

GeForce GTX 580 192384 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 48384 (34%)

Texel Rate

The GeForce GTX 660 Ti should be a lot (about 107%) more effective at anisotropic filtering than the GeForce GTX 580. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 580 49408 Mtexels/sec
Difference: 53072 (107%)

Pixel Rate

The GeForce GTX 580 should be a lot (approximately 69%) more effective at anti-aliasing than the GeForce GTX 660 Ti, and should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 580 37056 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 15096 (69%)

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

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GeForce GTX 580

Amazon.com

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GeForce GTX 660 Ti

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 580 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year November 2010 August 2012
Code Name GF110 GK104
Memory 1536 MB 2048 MB
Core Speed 772 MHz 915 MHz
Memory Speed 4008 MHz 6000 MHz
Power (Max TDP) 244 watts 150 watts
Bandwidth 192384 MB/sec 144000 MB/sec
Texel Rate 49408 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 512 1344
Texture Mapping Units 64 112
Render Output Units 48 24
Bus Type GDDR5 GDDR5
Bus Width 384-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs 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 many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 580

Amazon.com

Check prices at:

GeForce GTX 660 Ti

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Comments

2 Responses to “GeForce GTX 580 vs GeForce GTX 660 Ti”
osiris says:

Just a little correction.
The power difference or 94 watts is 38.5 % of the 580

Need help with a computer build - XboxMB - Xbox Message Boards says:

[...] it must be instantly better. I5 is for gaming I7 is for hard core multi tasking I believe. Stats: GeForce GTX 580 vs GeForce GTX 660 Ti – Performance Comparison Benchmarks @ Hardware Compare [...]

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