GeForce 9800 GTX+ vs Radeon HD 5670

Intro

Compare those specs to the Radeon HD 5670, which uses a 40 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR5 memory is set to run at a speed of 1000 MHz on this specific card. It features 400(80x5) SPUs as well as 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 9800 GTX+		145 Watts
	Difference: 84 Watts (138%)

Memory Bandwidth

The GeForce 9800 GTX+, in theory, should be a small bit faster than the Radeon HD 5670 in general. (explain)

GeForce 9800 GTX+		70400 MB/sec
Radeon HD 5670		64000 MB/sec
	Difference: 6400 (10%)

Texel Rate

The GeForce 9800 GTX+ should be much (approximately 205%) faster with regards to anisotropic filtering than the Radeon HD 5670. (explain)

GeForce 9800 GTX+		47232 Mtexels/sec
Radeon HD 5670		15500 Mtexels/sec
	Difference: 31732 (205%)

Pixel Rate

The GeForce 9800 GTX+ should be much (more or less 90%) better at FSAA than the Radeon HD 5670, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce 9800 GTX+		11808 Mpixels/sec
Radeon HD 5670		6200 Mpixels/sec
	Difference: 5608 (90%)

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 data (counted in MB 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 its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of 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 per second.

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