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GeForce GTX 590 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 590 features a clock frequency of 607 MHz and a GDDR5 memory frequency of 855 MHz. It also makes use of a 384-bit bus, and uses a 40 nm design. It is comprised of 512 SPUs, 64 Texture Address Units, and 48 ROPs.

Compare those specifications to the GeForce GTX 660 Ti, which uses a 28 nm design. nVidia has clocked the core frequency at 915 MHz. The GDDR5 RAM runs at a speed of 1500 MHz on this model. It features 1344 SPUs along with 112 Texture Address Units 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 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 should in theory be a lot faster than the GeForce GTX 660 Ti in general. (explain)

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

Texel Rate

The GeForce GTX 660 Ti is quite a bit (about 32%) better at anisotropic 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 running with lots of anti-aliasing is important to you, then the GeForce GTX 590 is the winner, by a large margin. (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: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 amount of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. 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 quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach 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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