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GeForce GTX 580 vs GeForce GTX 660 Ti


Intro

The GeForce GTX 580 makes use of a 40 nm design. nVidia has clocked the core frequency at 772 MHz. The GDDR5 memory runs at a speed of 1002 MHz on this card. It features 512 SPUs as well as 64 Texture Address Units and 48 Rasterization Operator Units.

Compare all of that to the GeForce GTX 660 Ti, which has GPU core speed of 915 MHz, and 2048 MB of GDDR5 memory set to run at 1500 MHz through a 192-bit bus. It also is made up of 1344 Stream Processors, 112 Texture Address Units, and 24 Raster Operation Units.

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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 6010 points
GeForce GTX 580 4960 points
Difference: 1050 (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 34% quicker than the GeForce GTX 660 Ti overall, because of its higher bandwidth. (explain)

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

Texel Rate

The GeForce GTX 660 Ti will be much (more or less 107%) faster with regards to 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 will be quite a bit (more or less 69%) faster with regards to full screen anti-aliasing than the GeForce GTX 660 Ti, and should be able to handle higher screen resolutions without losing too much performance. (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

GeForce GTX 580

GeForce GTX 660 Ti

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 maximum amount of data (measured in MB per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the 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 number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the 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 maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

GeForce GTX 580

GeForce GTX 660 Ti

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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