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GeForce GTX 275 vs GeForce GTX 560 Ti

Intro

The GeForce GTX 275 features core clock speeds of 633 MHz on the GPU, and 1134 MHz on the 896 MB of GDDR3 RAM. It features 240 SPUs as well as 80 TAUs and 28 Rasterization Operator Units.

Compare that to the GeForce GTX 560 Ti, which makes use of a 40 nm design. nVidia has set the core frequency at 822 MHz. The GDDR5 memory works at a frequency of 1002 MHz on this specific model. It features 384 SPUs along with 64 TAUs and 32 ROPs.

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

Performance-wise, the GeForce GTX 560 Ti should in theory be a bit superior to the GeForce GTX 275 overall. (explain)

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

Texel Rate

The GeForce GTX 560 Ti should be a bit (approximately 4%) more effective at anisotropic 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 a lot (about 48%) more effective at anti-aliasing than the GeForce GTX 275, and also able to handle 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 largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. 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 max 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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