GeForce GTX 570 vs Radeon HD 5670

Intro

Compare those specs to the Radeon HD 5670, which comes with core clock speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 400(80x5) SPUs along with 20 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670		61 Watts
GeForce GTX 570		219 Watts
	Difference: 158 Watts (259%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 570 should perform much faster than the Radeon HD 5670 overall. (explain)

GeForce GTX 570		152000 MB/sec
Radeon HD 5670		64000 MB/sec
	Difference: 88000 (138%)

Texel Rate

The GeForce GTX 570 should be quite a bit (more or less 183%) more effective at AF than the Radeon HD 5670. (explain)

GeForce GTX 570		43920 Mtexels/sec
Radeon HD 5670		15500 Mtexels/sec
	Difference: 28420 (183%)

Pixel Rate

The GeForce GTX 570 is quite a bit (approximately 372%) more effective at anti-aliasing than the Radeon HD 5670, and should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 570		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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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