GeForce GTX 560 Ti vs Radeon HD 5850

Intro

Compare those specifications to the Radeon HD 5850, which has core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 1440(288x5) SPUs as well as 72 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850		151 Watts
GeForce GTX 560 Ti		170 Watts
	Difference: 19 Watts (13%)

Memory Bandwidth

In theory, the GeForce GTX 560 Ti should perform a bit faster than the Radeon HD 5850 overall. (explain)

GeForce GTX 560 Ti		128256 MB/sec
Radeon HD 5850		128000 MB/sec
	Difference: 256 (0%)

Texel Rate

The GeForce GTX 560 Ti is a bit (approximately 1%) more effective at anisotropic filtering than the Radeon HD 5850. (explain)

GeForce GTX 560 Ti		52608 Mtexels/sec
Radeon HD 5850		52200 Mtexels/sec
	Difference: 408 (1%)

Pixel Rate

The GeForce GTX 560 Ti will be a little bit (about 13%) more effective at anti-aliasing than the Radeon HD 5850, and also capable of handling higher screen resolutions better. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
Radeon HD 5850		23200 Mpixels/sec
	Difference: 3104 (13%)

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 MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.