New MS operation system Windows 10 Technical Preview tested VS Windows 8.1 VS Windows 7! br Windows 8.1 Pro purchase link: br br Benchmark TEST SYSTEM setup as following: br Intel i7-4790k Devil`s canyon– oc - 4.5 GHZ br MSI Global Z97 GAMING 7 br Kingston 16GB DDR3-1600 br Gigabyte GeForce GTX 980 G1 Gaming br br WINDOWS 10 VS WINDOWS 8.1 VS WINDOWS 7 GAME PERFORMANCE COMPARISON build 9841 br br GAMES TESTED - METRO LAST LIGHT, WATCHDOGS, CRYSIS 3, br BATTLEFIELD 4, TOMB RAIDER,3DMARK FIRESTRIKE all at 1080p and 1440p br br All tests were ran 3 times and the best one was chosen. br Each OS had all the latest updates and drivers installed. br Windows 10 feel faster and smoother.