GeForce 8500 GT vs Radeon HD 6750 1GB

Intro

Compare all of that to the Radeon HD 6750 1GB, which makes use of a 40 nm design. AMD has clocked the core speed at 725 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this card. It features 720 SPUs as well as 36 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8500 GT		45 Watts
Radeon HD 6750 1GB		86 Watts
	Difference: 41 Watts (91%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6750 1GB will be 400% quicker than the GeForce 8500 GT in general, due to its higher data rate. (explain)

Radeon HD 6750 1GB		64000 MB/sec
GeForce 8500 GT		12800 MB/sec
	Difference: 51200 (400%)

Texel Rate

The Radeon HD 6750 1GB should be a lot (approximately 625%) more effective at anisotropic filtering than the GeForce 8500 GT. (explain)

Radeon HD 6750 1GB		26100 Mtexels/sec
GeForce 8500 GT		3600 Mtexels/sec
	Difference: 22500 (625%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 6750 1GB is a better choice, by a large margin. (explain)

Radeon HD 6750 1GB		11600 Mpixels/sec
GeForce 8500 GT		1800 Mpixels/sec
	Difference: 9800 (544%)

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 largest amount of information (measured in megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate 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 filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.