Disregarding price which pc is better for gaming

is this computer better http://www.amazon.co.uk/OCHW-COMPUTER-Multimedia-BULLDOZER-Operating/dp/B007SNNLQC/ref=sr_1_1?s=computers&ie=UTF8&qid=1362404287&sr=1-1 OR is this one http://www.amazon.co.uk/gp/product/B004TWZL86/ref=noref?ie=UTF8&psc=1&s=computers

please disregard price and look purely which one is better for playing games such as SIMS, MINECRAFT, TEKKIT, SKYRIM, COMMAND AND CONCUR AND BATTLEFIELD??????