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GeForce GTX 560 Ti vs GeForce GTX 650 Ti

Intro

The GeForce GTX 560 Ti has core speeds of 822 MHz on the GPU, and 1002 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs as well as 64 TAUs and 32 ROPs.

Compare all that to the GeForce GTX 650 Ti, which features GPU core speed of 928 MHz, and 1024 MB of GDDR5 memory running at 1350 MHz through a 128-bit bus. It also features 768 Stream Processors, 64 TAUs, and 16 ROPs.

(No game benchmarks for this combination yet.)

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 theoretically perform much 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 is a little bit (approximately 13%) better at anisotropic filtering 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 will be quite a bit (more or less 77%) better at anti-aliasing than the GeForce GTX 650 Ti, and should be capable of handling higher screen resolutions while still performing well. (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

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

Model GeForce GTX 560 Ti GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year January 2011 October 2012
Code Name GF114 GK106
Fab Process 40 nm 28 nm
Bus PCIe x16 PCIe 3.0 x16
Memory 1024 MB 1024 MB
Core Speed 822 MHz 928 MHz
Shader Speed 1645 MHz 928 MHz
Memory Speed 1002 MHz (4008 MHz effective) 1350 MHz (5400 MHz effective)
Unified Shaders 384 768
Texture Mapping Units 64 64
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 170 watts 110 watts
Shader Model 5.0 5.0
Bandwidth 128256 MB/sec 86400 MB/sec
Texel Rate 52608 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 14848 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per 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 outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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