GeForce GTX 560 Ti 448 vs Radeon HD 5830

Intro

Compare those specs to the Radeon HD 5830, which has a clock speed of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 1120(224x5) SPUs, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5830		175 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 35 Watts (20%)

Memory Bandwidth

The GeForce GTX 560 Ti 448 should theoretically perform a little bit faster than the Radeon HD 5830 in general. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
Radeon HD 5830		128000 MB/sec
	Difference: 16000 (13%)

Texel Rate

The Radeon HD 5830 should be a bit (approximately 9%) better at AF than the GeForce GTX 560 Ti 448. (explain)

Radeon HD 5830		44800 Mtexels/sec
GeForce GTX 560 Ti 448		40992 Mtexels/sec
	Difference: 3808 (9%)

Pixel Rate

The GeForce GTX 560 Ti 448 should be a lot (about 129%) faster with regards to AA than the Radeon HD 5830, and should be able to handle higher resolutions more effectively. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
Radeon HD 5830		12800 Mpixels/sec
	Difference: 16480 (129%)

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 largest amount of information (counted in MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the 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 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This 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 handling 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 the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the card's 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 output rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.