GeForce GTX 560 Ti vs Radeon HD 5450

Intro

Compare all that to the Radeon HD 5450, which features GPU clock speed of 650 MHz, and 512 MB of DDR3 RAM running at 800 MHz through a 64-bit bus. It also features 80(16x5) Stream Processors, 8 TAUs, and 4 Raster Operation Units.

Display Graphs

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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, the GeForce GTX 560 Ti should perform a lot faster than the Radeon HD 5450 in general. (explain)

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

Texel Rate

The GeForce GTX 560 Ti should be a lot (approximately 912%) faster with regards to AF than the Radeon HD 5450. (explain)

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

Pixel Rate

The GeForce GTX 560 Ti will be a lot (about 912%) better at anti-aliasing than the Radeon HD 5450, and able to handle higher resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (measured in MB 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 its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If 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 high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip 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 Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on 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.