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GeForce GTX 460 2GB vs GeForce GTX 660 Ti

Intro

The GeForce GTX 460 2GB has a GPU clock speed of 675 MHz, and the 2048 MB of GDDR5 RAM is set to run at 900 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 TAUs, and 32 Raster Operation Units.

Compare that to the GeForce GTX 660 Ti, which comes with GPU clock speed of 915 MHz, and 2048 MB of GDDR5 memory set to run 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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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 660 Ti should theoretically be a lot better than the GeForce GTX 460 2GB overall. (explain)

GeForce GTX 660 Ti 144000 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 28800 (25%)

Texel Rate

The GeForce GTX 660 Ti should be quite a bit (more or less 171%) more effective at anisotropic filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 64680 (171%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 660 Ti is superior to the GeForce GTX 460 2GB, but only just. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce GTX 460 2GB 21600 Mpixels/sec
Difference: 360 (2%)

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 460 2GB

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.

Specifications

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Model GeForce GTX 460 2GB GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year July 2010 August 2012
Code Name GF104 GK104
Memory 2048 MB 2048 MB
Core Speed 675 MHz 915 MHz
Memory Speed 3600 MHz 6000 MHz
Power (Max TDP) 160 watts 150 watts
Bandwidth 115200 MB/sec 144000 MB/sec
Texel Rate 37800 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 336 1344
Texture Mapping Units 56 112
Render Output Units 32 24
Bus Type GDDR5 GDDR5
Bus Width 256-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 1950 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 information (counted in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 amount of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

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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