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GeForce GTX 275 vs GeForce GTX 560 Ti

Intro

The GeForce GTX 275 makes use of a 55 nm design. nVidia has clocked the core speed at 633 MHz. The GDDR3 memory works at a speed of 1134 MHz on this specific model. It features 240 SPUs as well as 80 Texture Address Units and 28 ROPs.

Compare those specs to the GeForce GTX 560 Ti, which comes with a clock frequency of 822 MHz and a GDDR5 memory speed of 1002 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It features 384 SPUs, 64 Texture Address Units, and 32 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti 170 Watts
GeForce GTX 275 219 Watts
Difference: 49 Watts (29%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti will be 1% faster than the GeForce GTX 275 overall, because of its greater bandwidth. (explain)

GeForce GTX 560 Ti 128256 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 1248 (1%)

Texel Rate

The GeForce GTX 560 Ti is a bit (approximately 4%) more effective at texture filtering than the GeForce GTX 275. (explain)

GeForce GTX 560 Ti 52608 Mtexels/sec
GeForce GTX 275 50640 Mtexels/sec
Difference: 1968 (4%)

Pixel Rate

The GeForce GTX 560 Ti is much (approximately 48%) faster with regards to full screen anti-aliasing than the GeForce GTX 275, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 8580 (48%)

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

GeForce GTX 560 Ti

Amazon.com

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

Display Specifications

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Model GeForce GTX 275 GeForce GTX 560 Ti
Manufacturer nVidia nVidia
Year April 9, 2009 January 2011
Code Name G200b GF114
Fab Process 55 nm 40 nm
Bus PCIe x16 2.0 PCIe x16
Memory 896 MB 1024 MB
Core Speed 633 MHz 822 MHz
Shader Speed 1404 MHz 1645 MHz
Memory Speed 2268 MHz 4008 MHz
Unified Shaders 240 384
Texture Mapping Units 80 64
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1
Power (Max TDP) 219 watts 170 watts
Shader Model 4.0 5.0
Bandwidth 127008 MB/sec 128256 MB/sec
Texel Rate 50640 Mtexels/sec 52608 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 26304 Mpixels/sec

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

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

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