GeForce 8600 GS (OEM) vs Radeon HD 6750 1GB

Intro

Compare that to the Radeon HD 6750 1GB, which features GPU core speed of 725 MHz, and 1024 MB of GDDR5 memory running at 1000 MHz through a 128-bit bus. It also features 720 SPUs, 36 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GS (OEM)		47 Watts
Radeon HD 6750 1GB		86 Watts
	Difference: 39 Watts (83%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6750 1GB is 400% faster than the GeForce 8600 GS (OEM) in general, due to its greater bandwidth. (explain)

Radeon HD 6750 1GB		64000 MB/sec
GeForce 8600 GS (OEM)		12800 MB/sec
	Difference: 51200 (400%)

Texel Rate

The Radeon HD 6750 1GB is a lot (more or less 202%) more effective at AF than the GeForce 8600 GS (OEM). (explain)

Radeon HD 6750 1GB		26100 Mtexels/sec
GeForce 8600 GS (OEM)		8640 Mtexels/sec
	Difference: 17460 (202%)

Pixel Rate

The Radeon HD 6750 1GB is quite a bit (approximately 169%) more effective at full screen anti-aliasing than the GeForce 8600 GS (OEM), and also will be able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 6750 1GB		11600 Mpixels/sec
GeForce 8600 GS (OEM)		4320 Mpixels/sec
	Difference: 7280 (169%)

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 (in units of MB per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher 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 number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write 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 - also sometimes called 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.