GeForce GTX 295 vs Radeon HD 6750

Intro

Compare those specifications to the Radeon HD 6750, which comes with core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 RAM. It features 720 SPUs along with 36 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750		86 Watts
GeForce GTX 295		289 Watts
	Difference: 203 Watts (236%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 295 should in theory be a lot better than the Radeon HD 6750 in general. (explain)

GeForce GTX 295		223776 MB/sec
Radeon HD 6750		64000 MB/sec
	Difference: 159776 (250%)

Texel Rate

The GeForce GTX 295 should be quite a bit (approximately 253%) more effective at AF than the Radeon HD 6750. (explain)

GeForce GTX 295		92160 Mtexels/sec
Radeon HD 6750		26100 Mtexels/sec
	Difference: 66060 (253%)

Pixel Rate

The GeForce GTX 295 is a lot (more or less 178%) better at anti-aliasing than the Radeon HD 6750, and also will be able to handle higher resolutions better. (explain)

GeForce GTX 295		32256 Mpixels/sec
Radeon HD 6750		11600 Mpixels/sec
	Difference: 20656 (178%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.