GeForce GTX 560 Ti 448 vs Radeon HD 5670

Intro

Compare those specs to the Radeon HD 5670, which comes with a core clock frequency of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It features 400(80x5) SPUs, 20 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670		61 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 149 Watts (244%)

Memory Bandwidth

The GeForce GTX 560 Ti 448, in theory, should be a lot faster than the Radeon HD 5670 in general. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
Radeon HD 5670		64000 MB/sec
	Difference: 80000 (125%)

Texel Rate

The GeForce GTX 560 Ti 448 will be quite a bit (approximately 164%) faster with regards to AF than the Radeon HD 5670. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
Radeon HD 5670		15500 Mtexels/sec
	Difference: 25492 (164%)

Pixel Rate

The GeForce GTX 560 Ti 448 will be quite a bit (more or less 372%) more effective at AA than the Radeon HD 5670, and also will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
Radeon HD 5670		6200 Mpixels/sec
	Difference: 23080 (372%)

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 max amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel 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 ability to get to the maximum fill rate.