GeForce GT 220 GDDR3 vs GeForce GTX 580 3GB

Intro

Compare all of that to the GeForce GTX 580 3GB, which makes use of a 40 nm design. nVidia has clocked the core frequency at 772 MHz. The GDDR5 memory is set to run at a frequency of 1002 MHz on this specific card. It features 512 SPUs along with 64 Texture Address Units and 48 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
GeForce GTX 580 3GB		244 Watts
	Difference: 186 Watts (321%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 3GB is 494% quicker than the GeForce GT 220 GDDR3 in general, due to its higher data rate. (explain)

GeForce GTX 580 3GB		192384 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 160000 (494%)

Texel Rate

The GeForce GTX 580 3GB will be a lot (more or less 394%) faster with regards to anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

GeForce GTX 580 3GB		49408 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 39408 (394%)

Pixel Rate

The GeForce GTX 580 3GB is much (about 641%) more effective at FSAA than the GeForce GT 220 GDDR3, and also able to handle higher resolutions better. (explain)

GeForce GTX 580 3GB		37056 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 32056 (641%)

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 data (measured in megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of 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 better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units 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 applied in one second.

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