Lenovo AIO Premium B540-57-311668 (Intel Core i5 3330s 2.7GHz- 4GB DDR3 RAM- 1TB HDD- 23 Inch Full HD 3D Multi-touch Screen- Microsoft Windows 8 64-Bit- NVIDIA GT 615 2GB Discrete Graphics) vs Samsung 21.5 inch LS22D300HY LED Backlit LCD Monitor, black