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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 set the core frequency at 633 MHz. The GDDR3 RAM works at a speed of 1134 MHz on this specific card. It features 240 SPUs along with 80 TAUs and 28 ROPs.

Compare those specs to the GeForce GTX 560 Ti, which comes with GPU core speed of 822 MHz, and 1024 MB of GDDR5 RAM set to run at 1002 MHz through a 256-bit bus. It also features 384 SPUs, 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

As far as performance goes, the GeForce GTX 560 Ti should theoretically be a small bit superior to 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 (more or less 4%) faster with regards to 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 should be much (more or less 48%) better at full screen anti-aliasing than the GeForce GTX 275, and will be capable of handling higher screen resolutions while still performing well. (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

GeForce GTX 275

GeForce GTX 560 Ti

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
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 maximum amount of information (measured in megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. 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 is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

GeForce GTX 275

GeForce GTX 560 Ti

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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