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GeForce GTX 560 Ti 448 vs GeForce GTX 660

Intro

The GeForce GTX 560 Ti 448 comes with a GPU core speed of 732 MHz, and the 1280 MB of GDDR5 memory is set to run at 900 MHz through a 320-bit bus. It also is made up of 448 SPUs, 56 TAUs, and 40 Raster Operation Units.

Compare those specs to the GeForce GTX 660, which features core clock speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 960 SPUs along with 80 Texture Address Units and 24 Rasterization Operator 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

In theory, the GeForce GTX 660 should be 0% faster than the GeForce GTX 560 Ti 448 overall, due to its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 660 should be quite a bit (about 91%) more effective at AF 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 will be a lot (more or less 24%) more effective at full screen anti-aliasing than the GeForce GTX 660, and will be capable of handling higher resolutions without losing too much performance. (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 max amount of information (in units of MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory clock 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 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 per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core 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 output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max 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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