The three most important hardware components of this laptop (namely CPU, GPU, and RAM) work well together to deliver excellent budget gaming performance. The 2.6 GHz Intel Core i7-4720HQ quad-core processor actually clocks in at over 10,000 points in GeekBench, which is a great score for this price.  You also get 8GB of DDR3 RAM, plus Nvidia's acclaimed GeForce GTX 960M with 2 GB GDDR5 VRAM. It's a very good combination, in our opinion, allowing you to run a lot of current games on high to very high settings with steadily high FPS.
The Precision Touchpad was responsive and worked well for standard gestures in our tests, but the G7, like its predecessors, lacks an easy way to disable the trackpad. Every other gaming laptop we’ve tested—except for the Dell G5 and Dell G3—has this feature because pressing the trackpad with your palm while gaming can cause accidental clicks and in-game deaths. We spent hours playing games on the G7 and found that the trackpad’s palm rejection was superb and didn’t cause any accidental clicks. (My hands run cold and rarely sweat, though, so your mileage may vary.) It’s possible (but inconvenient) to disable the trackpad by going into the Device Manager, selecting Human Interface Devices, right-clicking HID-compliant touch pad, and selecting Disable. (Dell, please add an easily accessible toggle to the next iteration.)
As an added bonus, the Predator 17 has hella ports: Ethernet, HDMI 2.0, DisplayPort 1.2, Thunderbolt 3, four USB 3.0, an SD card slot, jacks for headphones and a microphone, and a Kensington lock slot. And like most gaming laptops, this model is easy to upgrade: Two small screws and a panel stand between you and installing two more sticks of RAM. Our pick doesn’t have any open drive slots, but you can access the included hard drive and solid-state drives if you need to replace them.
A critical thing this article forgot to mention was to avoid the U i7 and i5 series, found in majority of mainstream laptops. The U Series i7's and i5's are Underpowered. Instead look for Processors that end in HQ such as intel intel's i7 7700hq. This is a REAL quad core processor, vs the U series, dual core low end processor, such as the i7 7500u. have a look at ark.intel.com to see what i'm talking about, and to see all the CPU's intel makes. Remember a i7 7500u, is very much outclassed by a i5 7300HQ. Again, point to be made, if you want a gaming laptop, don't buy the U Series.
Although the E15 comes with a Full-HD IPS display, some have noted that it is fairly dim compared to higher end displays. Regardless, you will get decent viewing angles and the matte finish will prevent any potential glare. It has a solid battery life of around 8 hours and 30 minutes,  with Acer even claiming up to 15 hours of battery life, though heavier applications and games will drain its battery life a lot faster. The NVIDIA GeForce MX150 is by no means a beast compared to higher end cards, and most modern AAA titles will struggle somewhat, but lowering the graphics will afford you some playability even on next-gen titles.
Processor: Your laptop needs a processor that’s powerful enough to avoid bottlenecking the GPU. All of the contenders in our test group have a quad-core Intel Core i5-8300H or hexa-core Intel Core i7-8750H processor or better. The extra cores in that line of i7 processors don’t yet have a significant impact on gaming, so both options are good enough.
The Acer Predator Helios 300 has Nvidia GeForce GTX 1060 graphics and a 144 Hz high-refresh-rate display, but its WASD keys reached 110.2 °F, the hottest of any budget gaming laptop we tested this year, even with Acer’s Cooler Boost software enabled. Its fans sounded high pitched and a bit grating, it had a poor 3.5-hour showing in our battery life tests, and it comes with too much bloatware.
Look for Intel Core i5 processors in midrange systems, with Core i7 U, HQ, and HK processors in higher-end gaming laptops. The H-series processors are higher-power, and tend to show up in bigger, thicker laptop models, while the low-power U-series chips are designed for thinner, more portable machines. They are quite different, in terms of thermal profile, as well as overall performance potential; a U-series Core i7 processor may not even have the same number of processing cores as an H-series Core i7 chip.
A laptop based around the next-step-up GeForce GTX 1060, meanwhile, is ideal for no-compromise 1080p gaming. We've seen GTX 1060-based gaming rigs priced anywhere from $1,000 to $2,000. The biggest values are likely to be found in this lot, and the GTX 1060 is the baseline for using your laptop with a virtual reality (VR) headset. (See our picks for the best laptops for VR.)
Dell recently phased out its entry-level gaming-laptop series in favor of something more exciting and powerful. Meet the G7 15. Visually, the G7 15 is cut from a different cloth than either the Inspiron or the Alienware brands, giving the laptop an identity of its own. And it offers solid overall performance for all your multitasking needs. But more importantly, thanks to its Max-Q GTX 1060, you can expect good frame rates on AAA titles on medium to high settings.
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