GeForce GT 210 vs Radeon HD 7950

Intro

Compare all that to the Radeon HD 7950, which has GPU core speed of 800 MHz, and 1536 MB of GDDR5 RAM running at 1250 MHz through a 384-bit bus. It also is comprised of 1792 SPUs, 112 Texture Address Units, and 32 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 7950		200 Watts
	Difference: 169 Watts (545%)

Memory Bandwidth

The Radeon HD 7950 should in theory perform quite a bit faster than the GeForce GT 210 overall. (explain)

Radeon HD 7950		240000 MB/sec
GeForce GT 210		12800 MB/sec
	Difference: 227200 (1775%)

Texel Rate

The Radeon HD 7950 should be quite a bit (approximately 1802%) faster with regards to anisotropic filtering than the GeForce GT 210. (explain)

Radeon HD 7950		89600 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 84888 (1802%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 7950 is superior to the GeForce GT 210, by a large margin. (explain)

Radeon HD 7950		25600 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 23244 (987%)

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 (in units of MB per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video 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 its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.