GeForce 9800 GT 1GB vs GeForce GT 220 GDDR3

Intro

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

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3		58 Watts
GeForce 9800 GT 1GB		105 Watts
	Difference: 47 Watts (81%)

Memory Bandwidth

Theoretically, the GeForce 9800 GT 1GB should perform quite a bit faster than the GeForce GT 220 GDDR3 in general. (explain)

GeForce 9800 GT 1GB		57600 MB/sec
GeForce GT 220 GDDR3		32384 MB/sec
	Difference: 25216 (78%)

Texel Rate

The GeForce 9800 GT 1GB will be a lot (about 236%) faster with regards to AF than the GeForce GT 220 GDDR3. (explain)

GeForce 9800 GT 1GB		33600 Mtexels/sec
GeForce GT 220 GDDR3		10000 Mtexels/sec
	Difference: 23600 (236%)

Pixel Rate

The GeForce 9800 GT 1GB is much (about 92%) more effective at AA than the GeForce GT 220 GDDR3, and also able to handle higher screen resolutions more effectively. (explain)

GeForce 9800 GT 1GB		9600 Mpixels/sec
GeForce GT 220 GDDR3		5000 Mpixels/sec
	Difference: 4600 (92%)

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 (counted in MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.