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23/4/2016 - DELL Alienware M15x Battery

In trying to make sense of the different models of the Surface Pro 4 Microsoft says that the Intel Core M3 model “runs desktop software just like a laptop.” It also invites users to “stream music and shows with iTunes and Netflix.” Put a different way, this Microsoft Surface Pro 4 is for users who need a thin, light and quiet notebook PC that is as quiet and hopefully cool as their old tablet.

Apple's iOS-powered iPad Pro (10:04 for the 12.9-inch model and 10:53 for the 9.7-inch model) and Google's Android-powered Pixel C (11:08) offer at least 4 hours more juice than the average Windows detachable. To be fair, the iPad Pro and the Pixel C feature operating systems designed for phones — and the iPad Pro's keyboard lacks a touchpad — but it's clear that right now, cramming an Intel Core processor and Windows 10 into a slim slate is not a recipe for staying power.

You might ask, "But what about the Surface Book?" Yes, its 12.5 hours of runtime is quite impressive, but it's not really the same type of system as the Surface Pro 4 or the Samsung TabPro S. The Surface Book benefits from having a separate battery in its base. Also, its $1,499 starting price is significantly higher than that of other Windows detachables, which makes it more of a MacBook Pro foe.
The root of the detachable battery-life problem seems to be in the devices' superthin designs and higher-resolution screens. We saw a similar endurance regression in the smartphone world when companies chased unnecessarily thin designs and quad-HD displays. It took a while for smartphone and mobile chip makers to realize efficiencies and make their high-res handsets last longer.

Some buyers gladly would sacrifice long battery life for great display quality and a svelte chassis. The 12-inch, 2736 x 1824 display on the Surface Pro 4 is stunning. And one of the big reasons this category as a whole is growing so quickly is the ease with which these devices can be slipped into a briefcase or backpack. It's just hard to get excited about a machine that bites the dust long before your workday is over.
So what is someone looking for a Windows 2-in-1 with good battery life to do? If you don't have the budget for the Surface Book, you could opt for a discounted Surface Pro 3, which lasted a decent (but still below-average) 7:27 on our battery test. If you can live with a slow Atom processor, the regular Surface 3 (8:01) is a pretty good value.

Or, you might want to just forgo a detachable design altogether and opt for a 2-in-1 with a rotating hinge, such as the Lenovo Yoga 900 or the HP Spectre x360 13t. While these machines aren't quite as portable as their detachable cousins, they lasted a fairly strong 7:57 and 8:26, respectively, on our battery test. The added heft also makes them easier to balance on your lap.

Opening programs, streaming video, downloading apps and programs from the Windows Store are all things that this model excels at. Even better, it’ll make a great large-screen eBook reader. Early on, many believed that this version of the Surface Pro 4 would offer more battery life, but in practice, that is simply not the case.

The Intel Core i5 model Surface Pro 4 is for users who need a tablet, but want a notebook with some power behind it. Microsoft bills this model as great for “desktop gaming,” something that the entry-level Surface Pro 4 shouldn’t be relied on to do because it has no fan and a low standard clock speed. I disagree with that assessment completely, if it’s gaming that you want you’re better off with the high-end Core i7 Surface Pro 4 or getting Microsoft’s Surface Book.

The Intel Core i7 Surface Pro 4 is for media professionals and casual gamers. Want to use industry-specific applications like 3D modeling and wholesale video editing? It’s the Intel Core i7 Model that you want to invest in. Intel Iris 540 graphics help improve the Intel Core i7 device’s graphical prowess with games and desktop programs.

Choose the Microsoft Surface Pro 4 that’s geared toward the activities you’re most interested in doing with it. If you’re a gamer or heavily into editing video you don’t want the entry $899 model. On the other hand, lawyers, students, teachers and people who just want a Windows 2-in-1 couldn’t go wrong with the Intel Core M3 model.

The Surface Pro 4 with Intel Core i5 processor is a perfect compromise between performance and pricing. Anyone who even thinks they’re going to be playing 3D games on their Surface Pro 4 should get the Surface Pro 4 with Intel Core i7 processor. Digital media professionals and true PC gaming aficionados are better off purchasing the Surface Pro 4 with Intel Core i7 processor too.

When I get home, my daily routine usually involves throwing my phone on the charger before it dies, figuring out what I am going to eat and starting on whatever homework awaits me for the evening. Given recent advancements in charging technologies, my phone reaches 100 percent before I even sit down to eat. Despite nearing the brink of a dead phone battery every day, I cannot remember the last time my phone actually died.

However, I can tell you about the exhaustion I feel every day when I finally sit down for dinner. It is a known fact that college students sleep less than the general population. As extracurriculars, student jobs and GPAs become more important for getting a job after graduation, this trend seems to be here to stay. In fact, it is quite commonplace for me to hear my friends discuss pulling multiple all-nighters in the UGLi during finals week.

The technology we rely on to conduct such exhaustive work has advanced to a point that exceeds our bodily output. While I sit on my couch at 8 p.m., writing a paper and fighting off the urge to sleep, my phone and my laptop sit plugged in, fully charged and ready to keep working. As my roommate downs a can of Red Bull in a computer lab on North Campus at 2 a.m., the computer he is using stares back at him, seemingly unaware of the concept of exhaustion.

This dynamic of always-on, always-ready technology has created a society that never sleeps. Students clamor to work for technology companies despite the impending more-than-full-time workload they know awaits them. In the off chance we do catch some Z’s, our phones often lie on our nightstands, alive and ready for work the moment we wake up. While human beings physically need eight hours of sleep per night to function properly, I cannot tell you the last time my phone sat docile and in a state of sleep for more than eight minutes.

As finals approach, this situation will only get worse. The nature of high-pressure, high-reward exams forces college students to overwork their power cores. In this context, it is understandable to think of our brains as computers; we try to cram as much information into them every day without stopping to think about the recharge cycle necessary to power our internal batteries. However, it is important to remind ourselves of the ramifications of these actions.

Consider your current phone. Odds are good that you bought that device within the past two years. With the way cell phone upgrades go, the odds also suggest you will replace that device within the next two years, if not sooner. Though the batteries on these devices may seem invincible while you use them, they will be thrown away in less than one-fortieth of the average lifespan of a human heart. Unfortunately, humans cannot swap out their hearts for the iHeart 6S next year.

In order to maintain the condition of our one and only battery, we must turn off. Much to our chagrin, there is no quick charging, wireless charging or battery swapping allowed. Sleep is the only way to adequately recharge our batteries for proper functioning. As much as we like to believe energy drinks, coffee and Adderall can replace sleep, these only serve to attack and weaken our batteries themselves. It is tempting to compete with our electronic devices and their never-ending persistence, but we must cede the battle and shut down every day.

As I type this, my eyes are beginning to tire and my thoughts are starting to fade. My laptop’s battery reads full, but I know there is no way I can keep up until it dies. I’m asking you to consider your battery the next time you ponder an all-nighter. After all, if it dies, there will be no way to plug it in and recharge for your exam next week.

If you're one of those people who likes to have hundreds of Google Chrome tabs open at the same time, you might have noticed your laptop's performance and battery life suffering.

Running all those webpages can take a toll on your machine, especially if they're very memory-intensive - but closing them completely might make you lose something you intended to come back to later.

Fortunately, there's one thing you can do to easily kill tabs and reduce the strain on your laptop, without closing them completely.

Click on the 'Settings' button in Chrome (the three lines in the top-right corner, to the right of the URL field), and go down to 'More tools'.

Hover over this button and click 'Task manager' in the new menu which pops up.

You'll then get a list of all the tabs your browser is running, along with information about how much memory they're using up.

By clicking the 'Memory' button in the top bar, you can sort all the tabs to see which are using the most.

You can make the task manager window a bit bigger and increase the size of the columns, showing information about all the tabs you've got open.

If you want to kill some and free up memory, just click on the tab and press the 'End process' button in the bottom-left.


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