Compare any two graphics cards:
GeForce 8400 GS 512MB vs GeForce GT 210
IntroThe GeForce 8400 GS 512MB makes use of a 80 nm design. nVidia has clocked the core speed at 650 MHz. The DDR2 memory is set to run at a frequency of 400 MHz on this specific model. It features 16 SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.
Compare those specifications to the GeForce GT 210, which uses a 40 nm design. nVidia has set the core frequency at 589 MHz. The DDR3 RAM runs at a frequency of 800 MHz on this particular card. It features 16 SPUs as well as 8 TAUs and 4 Rasterization Operator Units.
(No game benchmarks for this combination yet.)
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
In theory, the GeForce GT 210 is 100% quicker than the GeForce 8400 GS 512MB overall, because of its greater bandwidth. (explain)
Texel RateThe GeForce 8400 GS 512MB should be just a bit (about 10%) faster with regards to AF than the GeForce GT 210. (explain)
Pixel RateThe GeForce 8400 GS 512MB will be a small bit (more or less 10%) faster with regards to AA than the GeForce GT 210, and also will be capable of handling higher screen resolutions while still performing well. (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: Bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 maximum amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core 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 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 ability to get to the max fill rate.