8GB DDR3L SDRAM Memory Nvidia GTX 965M with 2GB DDR5 Gigabyte P37X Though more expensive than the other models on this list, the Gigabyte is one of the slimmest gaming laptops around. Runs cool, too.

The DDR architecture of Alliance Memory’s 2Gb and 4Gb DDR3 and DDR3L SDRAMs allows them to achieve extremely fast transfer rates of 1600Mbps and clock rates of 800MHz.

The march towards an energy-efficient mobile future continued today with Micron's announcement that its 2 gigabit and 4 gigabit DDR3L-RS SDRAM chips are now available.