Lenovo y50-70
Intel® Core™ i7-4710HQ processor
16Gb RAM
Hybrid 1Tb 5400rpm SSHD (8Gb) hard drive
JBL speakers with Dolby Advanced Audio V2
15.6 inch UHD (3840 x 2160) display
GPU - Nvidia GTX 860 4Gb
VS
Asus ROG Gaming G750JM
Intel® Core™ i7-4710HQ
display - 17 inch FHD (1920x1080)
12GB ram
750GB HDD
NVIDIA® GeForce® GTX 860M 2GB graphics
i think the lenovo has the kepler version of the gpu and asus has the Maxwell
Added (1). BOTH ARE £999