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GeForce GTX 590 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 590 comes with a core clock frequency of 607 MHz and a GDDR5 memory frequency of 855 MHz. It also makes use of a 384-bit memory bus, and uses a 40 nm design. It features 512 SPUs, 64 TAUs, and 48 Raster Operation Units.

Compare those specs to the GeForce GTX 660 Ti, which has GPU clock speed of 915 MHz, and 2048 MB of GDDR5 memory running at 1500 MHz through a 192-bit bus. It also is comprised of 1344 Stream Processors, 112 TAUs, 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 590 6680 points
GeForce GTX 660 Ti 6013 points
Difference: 667 (11%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 590 365 Watts
Difference: 215 Watts (143%)

Memory Bandwidth

The GeForce GTX 590, in theory, should perform quite a bit faster than the GeForce GTX 660 Ti overall. (explain)

GeForce GTX 590 328320 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 184320 (128%)

Texel Rate

The GeForce GTX 660 Ti will be quite a bit (approximately 32%) more effective at texture filtering than the GeForce GTX 590. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 590 77696 Mtexels/sec
Difference: 24784 (32%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 590 is a better choice, by far. (explain)

GeForce GTX 590 58272 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 36312 (165%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 590

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 590 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year March 2011 August 2012
Code Name GF110 GK104
Memory 1536 MB (x2) 2048 MB
Core Speed 607 MHz (x2) 915 MHz
Memory Speed 3420 MHz (x2) 6000 MHz
Power (Max TDP) 365 watts 150 watts
Bandwidth 328320 MB/sec 144000 MB/sec
Texel Rate 77696 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 58272 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 512 (x2) 1344
Texture Mapping Units 64 (x2) 112
Render Output Units 48 (x2) 24
Bus Type GDDR5 GDDR5
Bus Width 384-bit (x2) 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe 2.0 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 information (counted in megabytes per second) that can be transported over 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. In the case of DDR type memory, it must be multiplied by 2 once again. If 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher 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 graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many 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.

Display Prices

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GeForce GTX 590

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.

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