GeForce GT 210 vs Radeon HD 7990

Intro

Compare those specifications to the Radeon HD 7990, which features a clock frequency of 950 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 384-bit bus, and uses a 28 nm design. It features 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210		31 Watts
Radeon HD 7990		375 Watts
	Difference: 344 Watts (1110%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7990 should theoretically be quite a bit superior to the GeForce GT 210 in general. (explain)

Radeon HD 7990		576000 MB/sec
GeForce GT 210		12800 MB/sec
	Difference: 563200 (4400%)

Texel Rate

The Radeon HD 7990 will be quite a bit (approximately 5061%) faster with regards to AF than the GeForce GT 210. (explain)

Radeon HD 7990		243200 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 238488 (5061%)

Pixel Rate

The Radeon HD 7990 will be quite a bit (about 2481%) more effective at FSAA than the GeForce GT 210, and also should be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 7990		60800 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 58444 (2481%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units of the card by the core 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 amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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 get to the max fill rate.