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GeForce GTX 275 vs GeForce GTX 460 SE

Intro

The GeForce GTX 275 has a core clock frequency of 633 MHz and a GDDR3 memory frequency of 1134 MHz. It also uses a 448-bit bus, and uses a 55 nm design. It is made up of 240 SPUs, 80 Texture Address Units, and 28 Raster Operation Units.

Compare those specs to the GeForce GTX 460 SE, which features a clock frequency of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It is comprised of 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 be 17% faster than the GeForce GTX 460 SE overall, due to its greater bandwidth. (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 (about 62%) more effective at anisotropic 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%) faster with regards to AA than the GeForce GTX 275, and also will be capable of handling higher screen resolutions without slowing down too much. (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 max amount of data (measured in megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory in one 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 called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to 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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