gan mau nanya nih, pilih yg mana ya antara Lenovo Z40-70 i7 (Core i7 4510U 2.0Ghz, 4GB DDR3, 1TB, DVDRW, Wifi, Nvidia Geforce GT840M 4GB, Camera, Card Reader, 14" WXGA, Win 8.1) atau asus X550 ZE (AMD Quad Core A10-7400P, 4GB DDR3, 1TB HDD, DVD±RW , WiFi, VGA AMD Dual Graphic R6 + R5 M230 2GB