A computer’s internal components heat up whenever a lot of demand is placed on them. Despite the best efforts of manufacturers to dissipate this heat using fans and heat pipes, some areas of a laptop tend to get hotter than others. This can make gaming laptops quite uncomfortable to use (especially when placed on their user’s lap!); this high heat can also endanger a laptop’s internal electronics if the computer’s ventilation slots become obstructed (be careful not to let your computer’s ventilation system get clogged up with dust!). If you intend to place your computer on your desk and use an external mouse for gaming, its temperature will not be a major consideration.
High-end systems, meanwhile, should guarantee you smooth gameplay at 1080p with graphics details maxed out, and might let you play at 4K resolution (if the screen supports it). A high-end model should also be able to power a VR headset and support additional external monitors. These machines tend to come with speedy storage components such as 512GB PCI Express solid-state drives, and they are priced above $2,500. Some support 3K to 4K screens, a hard drive to supplement the SSD, and ultra-efficient cooling fans as optional extras. A few elite boutique models will support dual graphics chips. (Such rare-bird machines will be massive and expensive, with minimal battery life.)
John is PCMag's executive editor for hardware. A veteran of the popular tech site and magazine Computer Shopper from 1993 to 2017, he has covered just about every kind of computer gear—from the 386SX to 18-core processors—in his long tenure as an editor, a writer, and an advice columnist. He served as Computer Shopper’s editor in chief from 2008 to... See Full Bio
Another spec to watch for is panel type. You'll want to go for an in-plane switching (IPS) panel if possible, as they generally offer the best off-center viewing angles and colors. Some gamers are content with cheaper twisted nematic (TN) panels, which make you settle for narrower viewing angles—but then, you're probably seated directly in front of the screen, so that's not an issue. TN panels can offer slightly faster response times.

We also liked the five or more hours battery life, the generous 1TB storage, and the powerful JBL speakers with a high-quality subwoofer. You'll notice the speakers the moment you open the laptop since they are designed perfectly into the body (in red), right under the screen. The Y700 really has a lot to offer! From an optical perspective (pun intended) the laptop features a sharp and bright IPS screen with anti-glare coating. 
"Love it!...Good Mouse...It's especially frustrating if you're using a laptop, like myself, which doesn't have very many usb ports to choose from....The up to 12,000 dpi sensor technology in the G series optical mice is impressive, and honestly I would recommend anyone who spends a decent amount of time in spreadsheets or especially diagramming using a mouse purchase a gaming mouse for those uses as well - the high quality sensors make those jobs much easier."
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.

Nvidia GeForce GTX 1050/1050 Ti - A step below the 1060, the GTX 1050 will churn out some solid framerates in mid-range games like Battlefield 1 at very modest settings. The 1050 Ti is slightly more powerful and capable in some cases of supporting Oculus Rift and its various titles. However, serious gamers looking for a high-performance system will probably be disappointed.
Time your purchase right and you could land yourself a wonderful deal. You'll find unbeatable laptop discounts during Black Friday and Cyber Monday, but you'll also find great deals throughout August during back-to-school sales. Check whether a new model is about to be launched as well because many stores discount old inventory to clear the shelves for newer models. Manufacturers often announce rebate deals on Mondays, so check for these before you buy.
Planning on spending hours upon hours handing out beatdowns in Fortnite or Call of Duty? Check out the Dell G3 15 Gaming laptop, which lasted an impressive 6 hours and 37 minutes on our battery test. Gamers also get a system capable of kicking out some solid frame rates and good sound, thanks to a GTX 1050 Ti GPU and some powerful speakers. And at 5.2 pounds and 0.9 inches thick, this is one of the thinnest entry-level gaming laptops available.
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