GeForce 9600 GSO 768MB vs GeForce GT 220 GDDR3

Intro

Compare all that to the GeForce GT 220 GDDR3, which features a clock frequency of 625 MHz and a GDDR3 memory speed of 1012 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 48 SPUs, 16 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
GeForce 9600 GSO 768MB		84 Watts
	Difference: 26 Watts (45%)

Memory Bandwidth

In theory, the GeForce 9600 GSO 768MB should be just a bit faster than the GeForce GT 220 GDDR3 overall. (explain)

GeForce 9600 GSO 768MB		38400 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 6016 (19%)

Texel Rate

The GeForce 9600 GSO 768MB will be quite a bit (about 164%) more effective at anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

GeForce 9600 GSO 768MB		26400 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 16400 (164%)

Pixel Rate

The GeForce 9600 GSO 768MB will be a lot (more or less 32%) faster with regards to full screen anti-aliasing than the GeForce GT 220 GDDR3, and capable of handling higher resolutions while still performing well. (explain)

GeForce 9600 GSO 768MB		6600 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 1600 (32%)

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 max amount of information (in units of megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher 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 amount of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

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