GeForce GT 210 vs Radeon HD 6790

Intro

Compare all that to the Radeon HD 6790, which comes with clock speeds of 840 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 RAM. It features 800 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210		31 Watts
Radeon HD 6790		150 Watts
	Difference: 119 Watts (384%)

Memory Bandwidth

The Radeon HD 6790, in theory, should be much faster than the GeForce GT 210 in general. (explain)

Radeon HD 6790		134400 MB/sec
GeForce GT 210		12800 MB/sec
	Difference: 121600 (950%)

Texel Rate

The Radeon HD 6790 will be much (approximately 613%) more effective at anisotropic filtering than the GeForce GT 210. (explain)

Radeon HD 6790		33600 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 28888 (613%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 6790 is superior to the GeForce GT 210, by a large margin. (explain)

Radeon HD 6790		13440 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 11084 (470%)

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 (counted in MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 is calculated by multiplying the total amount of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 get to the maximum fill rate.