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GeForce GTX 460 vs GeForce GTX 460 (OEM)

Intro

The GeForce GTX 460 features a GPU core speed of 675 MHz, and the 768 MB of GDDR5 RAM is set to run at 900 MHz through a 192-bit bus. It also is comprised of 336 SPUs, 56 TAUs, and 24 ROPs.

Compare all of that to the GeForce GTX 460 (OEM), which features a core clock speed of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It is made up of 336 SPUs, 56 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 (OEM) should in theory be a lot better than the GeForce GTX 460 overall. (explain)

GeForce GTX 460 (OEM) 108800 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 22400 (26%)

Texel Rate

The GeForce GTX 460 is a bit (more or less 4%) better at texture filtering than the GeForce GTX 460 (OEM). (explain)

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

Pixel Rate

The GeForce GTX 460 (OEM) is much (about 28%) better at anti-aliasing than the GeForce GTX 460, and will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 460 (OEM) 20800 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 4600 (28%)

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

Amazon.com

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GeForce GTX 460 (OEM)

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 GeForce GTX 460 (OEM)
Manufacturer nVidia nVidia
Year July 2010 October 2010
Code Name GF104 GF104
Memory 768 MB 1024 MB
Core Speed 675 MHz 650 MHz
Memory Speed 3600 MHz 3400 MHz
Power (Max TDP) 150 watts 150 watts
Bandwidth 86400 MB/sec 108800 MB/sec
Texel Rate 37800 Mtexels/sec 36400 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 336 336
Texture Mapping Units 56 56
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The number 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 outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 460

Amazon.com

Check prices at:

GeForce GTX 460 (OEM)

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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