GeForce 9600 GSO 384MB vs GeForce GT 220 GDDR3

Intro

Compare that to the GeForce GT 220 GDDR3, which features GPU clock speed of 625 MHz, and 512 MB of GDDR3 RAM running at 1012 MHz through a 128-bit bus. It also features 48 SPUs, 16 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
GeForce 9600 GSO 384MB		84 Watts
	Difference: 26 Watts (45%)

Memory Bandwidth

As far as performance goes, the GeForce 9600 GSO 384MB should in theory be a bit better than the GeForce GT 220 GDDR3 in general. (explain)

GeForce 9600 GSO 384MB		38400 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 6016 (19%)

Texel Rate

The GeForce 9600 GSO 384MB will be quite a bit (approximately 164%) faster with regards to anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

GeForce 9600 GSO 384MB		26400 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 16400 (164%)

Pixel Rate

The GeForce 9600 GSO 384MB will be quite a bit (about 32%) more effective at FSAA than the GeForce GT 220 GDDR3, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce 9600 GSO 384MB		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 data (in units of MB per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.