lenovo y570 runs mine smooth on high graphics but thats from 2011 i am going to get a lenovo y510p soon when i sell my current one. lenovo bios is strictly locked so i dont think you can overclock it
y510p
This laptop is one of the few 15.6 inch laptops currently in the market with a fourth generation Haswell Intel Core i7 processors. The Y510p also comes with an ultrabay, which can house a second dedicated graphics card, a hard drive or an exhaust fan; and uses the secure boot UEFI protocol.
Specifications:
CPU/Chipset: 4th Generation Intel® Core™ 2.5 GHz Quad Core i7-4700MQ
Memory: up to 16 GB (DDR3 1600 MHz)
Graphics: NVIDIA® GeForce® GT750M 2GB GDDR5 built-in graphics, with option of secondary NVIDIA® GeForce® GT750M by using the external UltraBay Graphics Card.
Operating System: Windows 8
Screen size: 1366x768 or 1920x1080
only $789.00