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GeForce GTX 275 vs GeForce GTX 460 SE

Intro

The GeForce GTX 275 uses a 55 nm design. nVidia has set the core frequency at 633 MHz. The GDDR3 RAM is set to run at a speed of 1134 MHz on this particular model. It features 240 SPUs as well as 80 Texture Address Units and 28 Rasterization Operator Units.

Compare those specs to the GeForce GTX 460 SE, which has a core clock frequency of 650 MHz and a GDDR5 memory speed of 850 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 288 SPUs, 48 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE 150 Watts
GeForce GTX 275 219 Watts
Difference: 69 Watts (46%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 275 should perform a small bit faster than the GeForce GTX 460 SE in general. (explain)

GeForce GTX 275 127008 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 18208 (17%)

Texel Rate

The GeForce GTX 275 is much (more or less 62%) better at AF than the GeForce GTX 460 SE. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 19440 (62%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 460 SE is the winner, but not by far. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 3076 (17%)

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 SE

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 SE
Manufacturer nVidia nVidia
Year April 9, 2009 November 2010
Code Name G200b GF104
Memory 896 MB 1024 MB
Core Speed 633 MHz 650 MHz
Memory Speed 2268 MHz 3400 MHz
Power (Max TDP) 219 watts 150 watts
Bandwidth 127008 MB/sec 108800 MB/sec
Texel Rate 50640 Mtexels/sec 31200 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 240 288
Texture Mapping Units 80 48
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 data (counted in megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 275

Amazon.com

Check prices at:

GeForce GTX 460 SE

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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