GeForce GTX 560 Ti vs Radeon HD 3470 256MB

Intro

Compare all that to the Radeon HD 3470 256MB, which comes with core speeds of 800 MHz on the GPU, and 950 MHz on the 256 MB of DDR2 memory. It features 40(8x5) SPUs along with 4 Texture Address Units and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti will be 322% faster than the Radeon HD 3470 256MB overall, because of its greater bandwidth. (explain)

GeForce GTX 560 Ti		128256 MB/sec
Radeon HD 3470 256MB		30400 MB/sec
	Difference: 97856 (322%)

Texel Rate

The GeForce GTX 560 Ti should be a lot (more or less 1544%) more effective at anisotropic filtering than the Radeon HD 3470 256MB. (explain)

GeForce GTX 560 Ti		52608 Mtexels/sec
Radeon HD 3470 256MB		3200 Mtexels/sec
	Difference: 49408 (1544%)

Pixel Rate

The GeForce GTX 560 Ti will be quite a bit (more or less 722%) faster with regards to anti-aliasing than the Radeon HD 3470 256MB, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
Radeon HD 3470 256MB		3200 Mpixels/sec
	Difference: 23104 (722%)

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 transferred over the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the video 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 chip can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.