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GeForce GTX 275 vs GeForce GTX 560

Intro

The GeForce GTX 275 makes use of a 55 nm design. nVidia has set the core speed at 633 MHz. The GDDR3 RAM is set to run at a speed of 1134 MHz on this particular card. It features 240 SPUs as well as 80 TAUs and 28 ROPs.

Compare those specifications to the GeForce GTX 560, which comes with core clock speeds of 810 MHz on the GPU, and 1001 MHz on the 1024 MB of GDDR5 RAM. It features 336 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

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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

Theoretically speaking, the GeForce GTX 560 should be 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 is a small bit (about 12%) faster with regards to texture filtering than the GeForce GTX 560. (explain)

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

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 560 is the winner, and very much so. (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

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GeForce GTX 560

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 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: Memory bandwidth is the max amount of information (counted in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum 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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