GeForce GT 210 vs Radeon HD 7790

Intro

Compare those specifications to the Radeon HD 7790, which uses a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory runs at a speed of 1500 MHz on this particular card. It features 896 SPUs along with 56 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 7790		85 Watts
	Difference: 54 Watts (174%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 7790 will be 650% faster than the GeForce GT 210 overall, due to its higher bandwidth. (explain)

Radeon HD 7790		96000 MB/sec
GeForce GT 210		12800 MB/sec
	Difference: 83200 (650%)

Texel Rate

The Radeon HD 7790 is quite a bit (about 1088%) better at anisotropic filtering than the GeForce GT 210. (explain)

Radeon HD 7790		56000 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 51288 (1088%)

Pixel Rate

The Radeon HD 7790 is much (about 579%) faster with regards to full screen anti-aliasing than the GeForce GT 210, and will be able to handle higher screen resolutions better. (explain)

Radeon HD 7790		16000 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 13644 (579%)

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 data (measured in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 maximum number of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.