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GeForce GTX 275 vs GeForce GTX 460 2GB

Intro

The GeForce GTX 275 has a GPU core clock speed of 633 MHz, and the 896 MB of GDDR3 RAM runs at 1134 MHz through a 448-bit bus. It also features 240 SPUs, 80 TAUs, and 28 Raster Operation Units.

Compare those specifications to the GeForce GTX 460 2GB, which has core clock speeds of 675 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR5 memory. It features 336 SPUs along with 56 TAUs 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

The GeForce GTX 275 should in theory 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 should be a lot (more or less 34%) better at anisotropic 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 will be quite a bit (approximately 22%) more effective at FSAA than the GeForce GTX 275, and also will be capable of handling higher resolutions while still performing well. (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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the 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 number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - 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 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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