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GeForce GTX 275 vs GeForce GTX 560 Ti

Intro

The GeForce GTX 275 uses a 55 nm design. nVidia has clocked the core frequency at 633 MHz. The GDDR3 RAM is set to run at a speed of 1134 MHz on this card. It features 240 SPUs along with 80 TAUs and 28 ROPs.

Compare all that to the GeForce GTX 560 Ti, which comes with a clock speed of 822 MHz and a GDDR5 memory speed of 1002 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It features 384 SPUs, 64 TAUs, and 32 Raster Operation Units.

Display Graphs

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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, the GeForce GTX 560 Ti should be a small bit faster than the GeForce GTX 275 in general. (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 little bit (about 4%) more effective at AF 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 will be a lot (approximately 48%) better at FSAA 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

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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
Memory 896 MB 1024 MB
Core Speed 633 MHz 822 MHz
Memory Speed 2268 MHz 4008 MHz
Power (Max TDP) 219 watts 170 watts
Bandwidth 127008 MB/sec 128256 MB/sec
Texel Rate 50640 Mtexels/sec 52608 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 26304 Mpixels/sec
Unified Shaders 240 384
Texture Mapping Units 80 64
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 max amount of information (in units of MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's 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 texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends 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.

Comments

One Response to “GeForce GTX 275 vs GeForce GTX 560 Ti”
[Sammelthread] nVidia GeForce GTX 560 Ti inkl. FAQ & OC-Benches - Bei Fragen siehe Seite 1 (Part 1) - Seite 35 - Forum de Luxx says:

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