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GeForce GTX 460 (OEM) vs GeForce GTX 460 2GB

Intro

The GeForce GTX 460 (OEM) comes with a GPU core speed of 650 MHz, and the 1024 MB of GDDR5 memory runs at 850 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the GeForce GTX 460 2GB, which uses a 40 nm design. nVidia has set the core frequency at 675 MHz. The GDDR5 memory runs at a speed of 900 MHz on this particular card. It features 336 SPUs as well as 56 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 2GB is 6% faster than the GeForce GTX 460 (OEM) overall, because of its greater bandwidth. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GTX 460 (OEM) 108800 MB/sec
Difference: 6400 (6%)

Texel Rate

The GeForce GTX 460 2GB should be just a bit (about 4%) better at texture filtering than the GeForce GTX 460 (OEM). (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
GeForce GTX 460 (OEM) 36400 Mtexels/sec
Difference: 1400 (4%)

Pixel Rate

The GeForce GTX 460 2GB will be a little bit (approximately 4%) faster with regards to full screen anti-aliasing than the GeForce GTX 460 (OEM), and will be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GTX 460 (OEM) 20800 Mpixels/sec
Difference: 800 (4%)

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 (OEM)

Amazon.com

Check prices at:

GeForce GTX 460 2GB

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 (OEM) GeForce GTX 460 2GB
Manufacturer nVidia nVidia
Year October 2010 July 2010
Code Name GF104 GF104
Memory 1024 MB 2048 MB
Core Speed 650 MHz 675 MHz
Memory Speed 3400 MHz 3600 MHz
Power (Max TDP) 150 watts 160 watts
Bandwidth 108800 MB/sec 115200 MB/sec
Texel Rate 36400 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 21600 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 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units of the card by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 (OEM)

Amazon.com

Check prices at:

GeForce GTX 460 2GB

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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