GeForce GTX 550 Ti vs GeForce GTX 660 Ti

Intro

Compare those specs to the GeForce GTX 660 Ti, which features GPU clock speed of 915 MHz, and 2048 MB of GDDR5 memory running at 1500 MHz through a 192-bit bus. It also features 1344 Stream Processors, 112 Texture Address Units, and 24 Raster Operation Units.

Display Graphs

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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 Ti		6013 points
GeForce GTX 550 Ti		1897 points
	Difference: 4116 (217%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti		116 Watts
GeForce GTX 660 Ti		150 Watts
	Difference: 34 Watts (29%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 660 Ti should theoretically be quite a bit better than the GeForce GTX 550 Ti in general. (explain)

GeForce GTX 660 Ti		144000 MB/sec
GeForce GTX 550 Ti		98496 MB/sec
	Difference: 45504 (46%)

Texel Rate

The GeForce GTX 660 Ti is quite a bit (about 256%) faster with regards to AF than the GeForce GTX 550 Ti. (explain)

GeForce GTX 660 Ti		102480 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 73680 (256%)

Pixel Rate

The GeForce GTX 660 Ti is a little bit (more or less 2%) faster with regards to full screen anti-aliasing than the GeForce GTX 550 Ti, and capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 660 Ti		21960 Mpixels/sec
GeForce GTX 550 Ti		21600 Mpixels/sec
	Difference: 360 (2%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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