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GeForce GTX 275 vs GeForce GTX 460 2GB

Intro

The GeForce GTX 275 comes with clock speeds of 633 MHz on the GPU, and 1134 MHz on the 896 MB of GDDR3 RAM. It features 240 SPUs as well as 80 TAUs and 28 ROPs.

Compare that to the GeForce GTX 460 2GB, which makes use of a 40 nm design. nVidia has clocked the core speed at 675 MHz. The GDDR5 RAM runs at a speed of 900 MHz on this particular model. It features 336 SPUs as well as 56 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
GeForce GTX 275 219 Watts
Difference: 59 Watts (37%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 275 should be a bit faster than the GeForce GTX 460 2GB in general. (explain)

GeForce GTX 275 127008 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 11808 (10%)

Texel Rate

The GeForce GTX 275 is much (about 34%) faster with regards to AF than the GeForce GTX 460 2GB. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 12840 (34%)

Pixel Rate

The GeForce GTX 460 2GB should be much (more or less 22%) faster with regards to anti-aliasing than the GeForce GTX 275, and also will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 3876 (22%)

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 275

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 275 GeForce GTX 460 2GB
Manufacturer nVidia nVidia
Year April 9, 2009 July 2010
Code Name G200b GF104
Memory 896 MB 2048 MB
Core Speed 633 MHz 675 MHz
Memory Speed 2268 MHz 3600 MHz
Power (Max TDP) 219 watts 160 watts
Bandwidth 127008 MB/sec 115200 MB/sec
Texel Rate 50640 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 240 336
Texture Mapping Units 80 56
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 275

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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