Gamer score is an average of how well PC is equipped for the effects for found in most games. This is tested in the recommended resolution of that game (usually by that game). If the effects lower FPS then the PC receives a lower mark, if the PC is stable then it receives a higher mark.
Speed is simply the overall speed of the PC compared the other gaming computers we manufacturer.
Upgradability is an average of how many slots the PC has available for upgrades and how much new technology is available for the PC at the time of creation.
Value of a PC is determined by a ratio of cost to our FutureMark score for the PC.
Performance Per Dollar score for the PC is figured the same as above, but compared to the other gaming computers we manufacturer.