GeForce GTX 560 Ti vs Radeon HD 4550 512MB

Intro

Compare those specifications to the Radeon HD 4550 512MB, which uses a 55 nm design. AMD has set the core speed at 600 MHz. The GDDR3 RAM works at a frequency of 800 MHz on this particular card. It features 80(16x5) SPUs along with 8 Texture Address Units and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 512MB		25 Watts
GeForce GTX 560 Ti		170 Watts
	Difference: 145 Watts (580%)

Memory Bandwidth

The GeForce GTX 560 Ti should theoretically be quite a bit faster than the Radeon HD 4550 512MB overall. (explain)

GeForce GTX 560 Ti		128256 MB/sec
Radeon HD 4550 512MB		12800 MB/sec
	Difference: 115456 (902%)

Texel Rate

The GeForce GTX 560 Ti should be quite a bit (about 996%) more effective at anisotropic filtering than the Radeon HD 4550 512MB. (explain)

GeForce GTX 560 Ti		52608 Mtexels/sec
Radeon HD 4550 512MB		4800 Mtexels/sec
	Difference: 47808 (996%)

Pixel Rate

The GeForce GTX 560 Ti will be a lot (about 996%) faster with regards to full screen anti-aliasing than the Radeon HD 4550 512MB, and also should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
Radeon HD 4550 512MB		2400 Mpixels/sec
	Difference: 23904 (996%)

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 (counted in MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units of the card by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.