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GeForce GTX 560 Ti vs GeForce GTX 650 Ti

Intro

The GeForce GTX 560 Ti has a GPU core speed of 822 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1002 MHz through a 256-bit bus. It also is comprised of 384 Stream Processors, 64 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the GeForce GTX 650 Ti, which has GPU clock 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 Raster Operation Units.

(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

As far as performance goes, the GeForce GTX 560 Ti should in theory be a lot superior to 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 little bit (more or less 13%) more effective 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 a lot (more or less 77%) better at anti-aliasing than the GeForce GTX 650 Ti, and also capable of handling higher screen resolutions better. (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 information (measured in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

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