GeForce GT 210 vs GeForce GT 320

Intro

Compare those specifications to the GeForce GT 320, which features a GPU core clock speed of 540 MHz, and 1024 MB of GDDR3 memory running at 790 MHz through a 128-bit bus. It also features 72 SPUs, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210		31 Watts
GeForce GT 320		43 Watts
	Difference: 12 Watts (39%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 320 will be 98% quicker than the GeForce GT 210 overall, because of its greater data rate. (explain)

GeForce GT 320		25280 MB/sec
GeForce GT 210		12800 MB/sec
	Difference: 12480 (98%)

Texel Rate

The GeForce GT 320 will be much (approximately 175%) more effective at texture filtering than the GeForce GT 210. (explain)

GeForce GT 320		12960 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 8248 (175%)

Pixel Rate

The GeForce GT 320 should be a lot (approximately 83%) faster with regards to AA than the GeForce GT 210, and will be capable of handling higher screen resolutions better. (explain)

GeForce GT 320		4320 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 1964 (83%)

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 maximum amount of information (counted in MB per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

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