GeForce GTX 660 Ti vs Radeon HD 3470 512MB

Intro

Compare those specs to the Radeon HD 3470 512MB, which features a clock speed of 800 MHz and a GDDR3 memory frequency of 950 MHz. It also features a 128-bit bus, and uses a 55 nm design. It features 40(8x5) SPUs, 4 Texture Address Units, and 4 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 660 Ti should perform much faster than the Radeon HD 3470 512MB in general. (explain)

GeForce GTX 660 Ti		144000 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 113600 (374%)

Texel Rate

The GeForce GTX 660 Ti should be a lot (approximately 3103%) more effective at anisotropic filtering than the Radeon HD 3470 512MB. (explain)

GeForce GTX 660 Ti		102480 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 99280 (3103%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 660 Ti is the winner, and very much so. (explain)

GeForce GTX 660 Ti		21960 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 18760 (586%)

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 largest amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.