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GeForce GTX 560 Ti 448 vs GeForce GTX 660

Intro

The GeForce GTX 560 Ti 448 features a clock frequency of 732 MHz and a GDDR5 memory frequency of 900 MHz. It also makes use of a 320-bit bus, and makes use of a 40 nm design. It features 448 SPUs, 56 TAUs, and 40 ROPs.

Compare those specs to the GeForce GTX 660, which features a GPU core clock speed of 980 MHz, and 2048 MB of GDDR5 memory set to run at 1502 MHz through a 192-bit bus. It also is comprised of 960 SPUs, 80 TAUs, and 24 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 660 5063 points
GeForce GTX 560 Ti 448 4200 points
Difference: 863 (21%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 140 Watts
GeForce GTX 560 Ti 448 210 Watts
Difference: 70 Watts (50%)

Memory Bandwidth

The GeForce GTX 660 should in theory perform a little bit faster than the GeForce GTX 560 Ti 448 in general. (explain)

GeForce GTX 660 144192 MB/sec
GeForce GTX 560 Ti 448 144000 MB/sec
Difference: 192 (0%)

Texel Rate

The GeForce GTX 660 will be a lot (more or less 91%) faster with regards to anisotropic filtering than the GeForce GTX 560 Ti 448. (explain)

GeForce GTX 660 78400 Mtexels/sec
GeForce GTX 560 Ti 448 40992 Mtexels/sec
Difference: 37408 (91%)

Pixel Rate

The GeForce GTX 560 Ti 448 should be a lot (more or less 24%) more effective at FSAA than the GeForce GTX 660, and should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 560 Ti 448 29280 Mpixels/sec
GeForce GTX 660 23520 Mpixels/sec
Difference: 5760 (24%)

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 560 Ti 448

Amazon.com

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GeForce GTX 660

Amazon.com

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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 448 GeForce GTX 660
Manufacturer nVidia nVidia
Year December 2011 September 2012
Code Name GF110 GK106
Memory 1280 MB 2048 MB
Core Speed 732 MHz 980 MHz
Memory Speed 3600 MHz 6008 MHz
Power (Max TDP) 210 watts 140 watts
Bandwidth 144000 MB/sec 144192 MB/sec
Texel Rate 40992 Mtexels/sec 78400 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 23520 Mpixels/sec
Unified Shaders 448 960
Texture Mapping Units 56 80
Render Output Units 40 24
Bus Type GDDR5 GDDR5
Bus Width 320-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2540 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units by the core 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 video card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 560 Ti 448

Amazon.com

Check prices at:

GeForce GTX 660

Amazon.com

Check prices at:

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.

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