GeForce GTX 560 Ti 448 vs Radeon HD 5450

Intro

Compare all that to the Radeon HD 5450, which has core clock speeds of 650 MHz on the GPU, and 800 MHz on the 512 MB of DDR3 RAM. It features 80(16x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5450		19 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 191 Watts (1005%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti 448 should perform much faster than the Radeon HD 5450 in general. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
Radeon HD 5450		12800 MB/sec
	Difference: 131200 (1025%)

Texel Rate

The GeForce GTX 560 Ti 448 is much (about 688%) more effective at texture filtering than the Radeon HD 5450. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
Radeon HD 5450		5200 Mtexels/sec
	Difference: 35792 (688%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 560 Ti 448 is the winner, by a large margin. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
Radeon HD 5450		2600 Mpixels/sec
	Difference: 26680 (1026%)

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 (in units of megabytes per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 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 this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called 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 - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.