GeForce GTX 460 (OEM) vs GeForce GTX 550 Ti

Intro

Compare those specs to the GeForce GTX 550 Ti, which features GPU clock speed of 900 MHz, and 1024 MB of GDDR5 memory set to run at 1026 MHz through a 192-bit bus. It also features 192 SPUs, 32 Texture Address Units, and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti		116 Watts
GeForce GTX 460 (OEM)		150 Watts
	Difference: 34 Watts (29%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 (OEM) should theoretically be a bit better than the GeForce GTX 550 Ti in general. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
GeForce GTX 550 Ti		98496 MB/sec
	Difference: 10304 (10%)

Texel Rate

The GeForce GTX 460 (OEM) is quite a bit (approximately 26%) more effective at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 460 (OEM)		36400 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 7600 (26%)

Pixel Rate

The GeForce GTX 550 Ti is just a bit (about 4%) faster with regards to FSAA than the GeForce GTX 460 (OEM), and should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 550 Ti		21600 Mpixels/sec
GeForce GTX 460 (OEM)		20800 Mpixels/sec
	Difference: 800 (4%)

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 maximum amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the 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 amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's 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 fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.