both have 4gb ram/1tb hdd/2gb graphics(lenovo-amd ; acer-nvidia)/lenovo- free dos ; acer- linux/15.6just that which brand is better...and battery life...use- movies,games(call of duty,fifa,counter strike etc) and visual studio dot net,tomcat,apache etc...im fine with the config of both(almost same)...just the question of brand and all