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GeForce GTX 275 vs GeForce GTX 460 SE

Intro

The GeForce GTX 275 comes with a GPU clock speed of 633 MHz, and the 896 MB of GDDR3 memory runs at 1134 MHz through a 448-bit bus. It also features 240 SPUs, 80 Texture Address Units, and 28 ROPs.

Compare those specifications to the GeForce GTX 460 SE, which has GPU core speed of 650 MHz, and 1024 MB of GDDR5 memory running at 850 MHz through a 256-bit bus. It also is comprised of 288 SPUs, 48 Texture Address Units, and 32 ROPs.

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

Performance-wise, the GeForce GTX 275 should in theory be a bit better 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 will be a lot (approximately 62%) better at texture filtering 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

The GeForce GTX 460 SE should be a bit (approximately 17%) more effective at AA than the GeForce GTX 275, and also will be capable of handling higher screen resolutions more effectively. (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

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.

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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 are applied in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum 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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