GeForce GT 210 vs Radeon HD 6790

Intro

Compare those specifications to the Radeon HD 6790, which features GPU clock speed of 840 MHz, and 1024 MB of GDDR5 RAM running at 1050 MHz through a 256-bit bus. It also is comprised of 800 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

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 should theoretically perform 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 a lot (approximately 613%) better 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

The Radeon HD 6790 is much (more or less 470%) faster with regards to AA than the GeForce GT 210, and should be capable of handling higher resolutions while still performing well. (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: Bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.