GeForce GT 430 (OEM) vs Radeon HD 6850

Intro

Compare those specs to the Radeon HD 6850, which comes with a clock speed of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 256-bit memory bus, and uses a 40 nm design. It is made up of 960 SPUs, 48 Texture Address Units, and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM)		60 Watts
Radeon HD 6850		127 Watts
	Difference: 67 Watts (112%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6850 will be 344% quicker than the GeForce GT 430 (OEM) in general, due to its higher data rate. (explain)

Radeon HD 6850		128000 MB/sec
GeForce GT 430 (OEM)		28800 MB/sec
	Difference: 99200 (344%)

Texel Rate

The Radeon HD 6850 is a lot (approximately 232%) more effective at anisotropic filtering than the GeForce GT 430 (OEM). (explain)

Radeon HD 6850		37200 Mtexels/sec
GeForce GT 430 (OEM)		11200 Mtexels/sec
	Difference: 26000 (232%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 6850 is the winner, by far. (explain)

Radeon HD 6850		24800 Mpixels/sec
GeForce GT 430 (OEM)		2800 Mpixels/sec
	Difference: 22000 (786%)

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 data (counted in megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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