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GeForce GTX 275 vs GeForce GTX 560

Intro

The GeForce GTX 275 comes with a GPU core speed of 633 MHz, and the 896 MB of GDDR3 memory is set to run at 1134 MHz through a 448-bit bus. It also is made up of 240 Stream Processors, 80 Texture Address Units, and 28 Raster Operation Units.

Compare those specs to the GeForce GTX 560, which makes use of a 40 nm design. nVidia has set the core frequency at 810 MHz. The GDDR5 memory runs at a speed of 1001 MHz on this card. It features 336 SPUs as well as 56 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 150 Watts
GeForce GTX 275 219 Watts
Difference: 69 Watts (46%)

Memory Bandwidth

The GeForce GTX 560, in theory, should perform just a bit faster than the GeForce GTX 275 overall. (explain)

GeForce GTX 560 128128 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 1120 (1%)

Texel Rate

The GeForce GTX 275 should be a little bit (approximately 12%) faster with regards to AF than the GeForce GTX 560. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 560 45360 Mtexels/sec
Difference: 5280 (12%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 560 is a better choice, by far. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 8196 (46%)

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 560

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 560
Manufacturer nVidia nVidia
Year April 9, 2009 May 2011
Code Name G200b GF114
Memory 896 MB 1024 MB
Core Speed 633 MHz 810 MHz
Memory Speed 2268 MHz 4004 MHz
Power (Max TDP) 219 watts 150 watts
Bandwidth 127008 MB/sec 128128 MB/sec
Texel Rate 50640 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 25920 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 2.0 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number 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 output rate also depends on quite a few other factors, especially 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 560

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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