GeForce 9600 GSO 1.5GB vs Radeon HD 6750 1GB

Intro

Compare all of that to the Radeon HD 6750 1GB, which features a clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 720 SPUs, 36 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 1.5GB		84 Watts
Radeon HD 6750 1GB		86 Watts
	Difference: 2 Watts (2%)

Memory Bandwidth

In theory, the Radeon HD 6750 1GB should be a lot faster than the GeForce 9600 GSO 1.5GB overall. (explain)

Radeon HD 6750 1GB		64000 MB/sec
GeForce 9600 GSO 1.5GB		38400 MB/sec
	Difference: 25600 (67%)

Texel Rate

The GeForce 9600 GSO 1.5GB is a little bit (about 1%) more effective at AF than the Radeon HD 6750 1GB. (explain)

GeForce 9600 GSO 1.5GB		26400 Mtexels/sec
Radeon HD 6750 1GB		26100 Mtexels/sec
	Difference: 300 (1%)

Pixel Rate

The Radeon HD 6750 1GB should be quite a bit (approximately 76%) better at anti-aliasing than the GeForce 9600 GSO 1.5GB, and also capable of handling higher resolutions more effectively. (explain)

Radeon HD 6750 1GB		11600 Mpixels/sec
GeForce 9600 GSO 1.5GB		6600 Mpixels/sec
	Difference: 5000 (76%)

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 maximum amount of information (measured in MB per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.