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GeForce GTX 560 Ti vs GeForce GTX 650 Ti

Intro

The GeForce GTX 560 Ti comes with a clock frequency of 822 MHz and a GDDR5 memory frequency of 1002 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 384 SPUs, 64 TAUs, and 32 Raster Operation Units.

Compare that to the GeForce GTX 650 Ti, which comes with GPU core speed of 928 MHz, and 1024 MB of GDDR5 memory set to run at 1350 MHz through a 128-bit bus. It also is comprised of 768 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
GeForce GTX 560 Ti 170 Watts
Difference: 60 Watts (55%)

Memory Bandwidth

The GeForce GTX 560 Ti should in theory perform quite a bit faster than the GeForce GTX 650 Ti overall. (explain)

GeForce GTX 560 Ti 128256 MB/sec
GeForce GTX 650 Ti 86400 MB/sec
Difference: 41856 (48%)

Texel Rate

The GeForce GTX 650 Ti will be a small bit (about 13%) more effective at AF than the GeForce GTX 560 Ti. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce GTX 560 Ti 52608 Mtexels/sec
Difference: 6784 (13%)

Pixel Rate

The GeForce GTX 560 Ti is a lot (approximately 77%) better at anti-aliasing than the GeForce GTX 650 Ti, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
GeForce GTX 650 Ti 14848 Mpixels/sec
Difference: 11456 (77%)

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

Display Prices

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GeForce GTX 560 Ti

Amazon.com

GeForce GTX 650 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 560 Ti GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year January 2011 October 2012
Code Name GF114 GK106
Memory 1024 MB 1024 MB
Core Speed 822 MHz 928 MHz
Memory Speed 4008 MHz 5400 MHz
Power (Max TDP) 170 watts 110 watts
Bandwidth 128256 MB/sec 86400 MB/sec
Texel Rate 52608 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 384 768
Texture Mapping Units 64 64
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 2540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 applied in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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