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GeForce GTX 275 vs GeForce GTX 460 2GB

Intro

The GeForce GTX 275 features a GPU core speed of 633 MHz, and the 896 MB of GDDR3 memory runs at 1134 MHz through a 448-bit bus. It also features 240 Stream Processors, 80 TAUs, and 28 ROPs.

Compare that to the GeForce GTX 460 2GB, which uses a 40 nm design. nVidia has set the core speed at 675 MHz. The GDDR5 memory runs at a frequency of 900 MHz on this particular card. It features 336 SPUs along with 56 TAUs and 32 ROPs.

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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

The GeForce GTX 275 should theoretically be a bit faster than the GeForce GTX 460 2GB overall. (explain)

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

Texel Rate

The GeForce GTX 275 should be quite a bit (about 34%) faster with regards to texture filtering 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 is a lot (more or less 22%) faster with regards to full screen anti-aliasing than the GeForce GTX 275, and capable of handling higher resolutions without slowing down too much. (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

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GeForce GTX 460 2GB

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 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 largest amount of information (counted in megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units by the core clock 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 graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core 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 fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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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.

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