ASUS U43JC-X1 comes with these spec: Processor Intel Core i5-450M 2.4GHz processor with Turbo Boost Technology up to 2.66 GHz. Graphics G310M Nvidia graphics engine with 1GB DDR3 VRAM and Optimus Technology. Memory Max 4 GB DDR3-1066 DRAM (2 x 2 GB slots), 4 GB. Wireless Intel

Apple MacBook MC516LL/A comes with these spec: CPU 2.4 GHz Intel Core 2 Duo processor Memory 2 GB installed RAM (1066 MHz DDR3, supports up to 4 GB) Storage 250 GB Serial ATA hard drive (5400 RPM) Graphics NVIDIA GeForce 320M graphics processor with 256 MB of

ASUS K50AF-X1 comes with these spec: Processor & Cache Memory Intel(R) Core™2 Duo Processor T6500/T6400 : 2.1 GHz - 2.0 GHz, FSB 800Hz, 2M L2 Cache; Intel(R) Pentium(R) Dual Core Processor T4200 : 2.0 GHz FSB 800MHz, 1M L2 Cache Intel(R) Celeron(R) Processor T3000/900 : 2.2 GHz

12 function keys and 4 arrow keys (inverted “T” arrangement) Multi-Touch trackpad for precise cursor control; supports two-finger scrolling, pinch, rotate, three-finger swipe, four-finger

function keys and 4 arrow keys (inverted “T” arrangement) Multi-Touch trackpad for precise cursor control; supports two-finger scrolling, pinch, rotate, swipe, three-finger swipe, four-finger