Compare any two graphics cards:
GeForce GT 220 GDDR3 vs GeForce GT 430
IntroThe GeForce GT 220 GDDR3 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 makes use of a 40 nm design. It features 48 SPUs, 16 TAUs, and 8 ROPs.
Compare those specs to the GeForce GT 430, which comes with a core clock frequency of 700 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It features 96 SPUs, 16 TAUs, and 4 ROPs.
(No game benchmarks for this combination yet.)
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
Theoretically speaking, the GeForce GT 220 GDDR3 is 12% faster than the GeForce GT 430 overall, due to its higher bandwidth. (explain)
Texel RateThe GeForce GT 430 should be a little bit (about 12%) faster with regards to AF than the GeForce GT 220 GDDR3. (explain)
Pixel RateIf using a high screen resolution is important to you, then the GeForce GT 220 GDDR3 is the winner, and very much so. (explain)
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.
Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.
Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.
Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.