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GeForce GTX 460 2GB vs GeForce GTX 560

Intro

The GeForce GTX 460 2GB uses a 40 nm design. nVidia has clocked the core speed at 675 MHz. The GDDR5 RAM is set to run at a frequency of 900 MHz on this specific model. It features 336 SPUs as well as 56 TAUs and 32 Rasterization Operator Units.

Compare those specs to the GeForce GTX 560, which comes with GPU core speed of 810 MHz, and 1024 MB of GDDR5 RAM set to run at 1001 MHz through a 256-bit bus. It also is made up of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 150 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

Theoretically, the GeForce GTX 560 should be a small bit faster than the GeForce GTX 460 2GB overall. (explain)

GeForce GTX 560 128128 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 12928 (11%)

Texel Rate

The GeForce GTX 560 should be just a bit (approximately 20%) better at anisotropic filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 560 45360 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 7560 (20%)

Pixel Rate

The GeForce GTX 560 will be a small bit (about 20%) more effective at AA than the GeForce GTX 460 2GB, and should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce GTX 460 2GB 21600 Mpixels/sec
Difference: 4320 (20%)

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

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GeForce GTX 560

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 460 2GB GeForce GTX 560
Manufacturer nVidia nVidia
Year July 2010 May 2011
Code Name GF104 GF114
Memory 2048 MB 1024 MB
Core Speed 675 MHz 810 MHz
Memory Speed 3600 MHz 4004 MHz
Power (Max TDP) 160 watts 150 watts
Bandwidth 115200 MB/sec 128128 MB/sec
Texel Rate 37800 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 25920 Mpixels/sec
Unified Shaders 336 336
Texture Mapping Units 56 56
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1950 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to 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 memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 460 2GB

Amazon.com

Check prices at:

GeForce GTX 560

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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