Lenovo Thinkpad T540p specs -
Intel Core i7-4702MQ Processor (6MB Cache, up to 3.20GHz)
15.6" FHD
NVIDIA GeForce GT740M
8 GB RAM
1 TB Hard Drive
Lenovo Thinkpad E540 specs -
Intel Core i7-4702MQ Processor (6MB Cache, up to 3.20GHz)
15.6" FHD
E540 NV N14P-GV2+ Graphics,2GB
8 GB RAM
1 TB Hard Drive