A 15-inch gamer still won't be an ideal daily traveler, but most are a lot more manageable than their larger kin. Also, today's 15-inch gaming rigs are better suited for use in true mobile fashion—that is, off an AC power plug—than those of past years. We've seen a few hit six or more hours of battery life, albeit in everyday productivity use or playing back video; gaming will trim that number considerably. (See our picks for the laptops with the best battery life.)
For example, the Aero 15X, weighs just over 2 Kg and incorporates a GeForce GTX 1070 Max-Q graphics chip. Its keyboard is equipped with RGB backlighting and an anti-ghosting system. The Aero 15X also features two internal M.2 NVMe format connectors. Let’s not forget that it is also equipped with a 15.6-inch Full HD display operating at a frequency of up to 144 Hz (which is also factory calibrated). Other models are equipped with a QHD display (Aero 14K).
HP launched this updated Pavilion line in April to make a play for those who are maybe interested in gaming, but not willing to go all-in on a laptop from the PC maker's Omen brand. We haven't seen it in person yet, but HP's direct pricing is on par with the competition here. The entry-level configuration is skippable at $680, but you can configure it for $750 with a Core i5-8300H processor and a GeForce GTX 1050Ti or a six-core Intel Core i7-8750H processor and a 3GB Nvidia GeForce GTX 1060 for $920. 
Right now, Nvidia graphics cards are found on the overwhelming majority of new gaming laptops. You’ll generally find laptop specific parts on machines launched in 2014 and 2015 (such as 950M, 960M etc), but from this year all Nvidia laptops get full desktop-level GPUs. This is because the company’s ‘Pascal’ architecture is so efficient it can squeeze into the same space as an old-style laptop GPU without needing extra cooling. Look out for 10-series cards such as the GTX 1050, GTX 1060, 1070 and 1080.

When it comes to GPUs, NVIDIA’s GeForce GTX 10-series have made it possible for manufacturers to trim down the overall size of gaming laptops without sacrificing features like battery life, making them powerful and portable. AMD's also basically non-existent in the mobile space these days too, so if you're shopping for a cheap gaming laptop you're probably getting one with an Nvidia GPU under the hood.

Updated Nov. 25 at 5:45 a.m. ET: You can snag some inexpensive gaming laptops for great prices through Cyber Monday. The Lenovo Legion Y530 is on sale for $100 off from Best Buy, while the 15.6-inch Dell G3 can be had for $649 from Walmart — a savings of $350. The Dell G5 is also on sale for $899 from Walmart ($400 off!) A sale at eBay knocks the MSI GL63 down to $969, for a savings of $229. Check out our Cyber Monday hub for more fantastic deals. 
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