GeForce GTX 560 Ti vs Radeon HD 5450

Intro

Compare that to the Radeon HD 5450, which has a core clock speed of 650 MHz and a DDR3 memory speed of 800 MHz. It also makes use of a 64-bit bus, and uses a 40 nm design. It features 80(16x5) SPUs, 8 Texture Address Units, and 4 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5450		19 Watts
GeForce GTX 560 Ti		170 Watts
	Difference: 151 Watts (795%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti will be 902% quicker than the Radeon HD 5450 in general, due to its greater bandwidth. (explain)

GeForce GTX 560 Ti		128256 MB/sec
Radeon HD 5450		12800 MB/sec
	Difference: 115456 (902%)

Texel Rate

The GeForce GTX 560 Ti will be much (more or less 912%) more effective at anisotropic filtering than the Radeon HD 5450. (explain)

GeForce GTX 560 Ti		52608 Mtexels/sec
Radeon HD 5450		5200 Mtexels/sec
	Difference: 47408 (912%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 560 Ti is the winner, by a large margin. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
Radeon HD 5450		2600 Mpixels/sec
	Difference: 23704 (912%)

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: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 are applied per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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 - the lower the bandwidth is, the lower the ability to reach the max fill rate.