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Dell inspiron 1720 Battery

  • fasophiafrance
  • 2017年2月20日
  • 讀畢需時 9 分鐘

Asus has recently updated this line with the G752 and new Skylake CPU, but this model's still got plenty of fight in it. With its specs and at that price point, you can't really go wrong. It's more than good enough to run games, and it has a sizable display that's G-Sync enabled, meaning you won't get any screen tearing and your input lag will be minimized.Nvidia has officially launched their newest line of mobile GPUs, the GTX 960M and 950M, as well as the GeForce 940M, 930M, and 920M.The 960M and 950M continues to use the same GM107 chip found in the GTX 860M and 850M, but clock in at 1096 and 914 Mhz (+ boost) respectively, a slight upgrade over their predecessors, which topped out at 1029 and 936 MHz, respectively. Sadly, this means the 960M and 950M aren't on the newer Maxwell GPU platform that's powering the 970M and 980M (and their desktop equivalents). They're getting a bit of a speed boost, but no jump up to the newer, more efficient technology.As for the three new GeForce cards, the only available specifications point to them being several times more powerful than Intel's HD 4400 GPU, as well as DirectX 12 capable.

The new cards are available now, showing up in several new gaming notebooks from Nvidia partners: the Acer Nitro V, Alienware 13, ASUS G501, HP Omen, and Lenovo Y50, for example. The Lenovo Y50 has been a reliable and affordable laptop pick for a few years now—never powerful enough for serious gaming, but great for all-around productivity and portability. With an impending upgrade to Nvidia's latest mobile GPU line, however, it should actually be able to take on some demanding games at medium settings.According to LaptopMedia, some new configurations of the Y50 feature the new GTX960M graphics card. The post also claims it will have 4GB of GDDR5 memory, but take that with a grain of salt, since the 960M hasn't been announced yet (and likely uses only 2GB memory). Couple possibilities there: either the Y50 will be shipping with Nvidia's 965M, which does have 4GB GDDR5, or it's going to be using the yet-to-be-announced-but-likely-coming 960M with 2GB GDDR5.

The low end model will feature a 1TB+8GB SSHD along with a 1080p IPS LCD panel, according to LaptopMedia. The next step up offers the same SSHD but with a 4K resolution, while the top end has both a 4K screen and a 512GB SSD. All three models upgrade the Y50's processor to an Intel Core i7-4720HQ.The GTX 980M is the most powerful mobile graphics chip Nvidia has ever made, and the closest to matching the equivalent desktop-caliber graphics card. And yet, for many PC gamers, laptop graphics still don’t cut it. They want the horsepower and overclocking potential of a desktop graphics card. In 2015, both MSI and Alienware are offering a solution to that problem with an external graphics card enclosure—essentially, a small PC case that houses a graphics card and connects to a laptop via PCIe, providing a big boost of GPU power.This isn’t a new idea, but one of these implementations—MSI’s Gaming Dock Station and Alienware’s Graphics Amplifier—may be the first to make it work.

A 2.7GHz base frequency and 3.6GHz peak Turbo Boost mode keep the quad-core CPU spritely in most workloads, even without overclocking. You’re much more likely to run out of graphics horsepower in a modern game. To combat this, MSI deploys Nvidia’s fastest mobile solution, the GeForce GTX 980—a near facsimile of the desktop GTX 980. Both employ a fully-enabled GM204 with 2048 CUDA cores. And while official specifications list the laptop-bound version at slightly lower clock rates, the GT72S’s cooling is good enough to allow GPU Boost speeds in excess of the add-in board.You might say the 980 is overkill for a 17.3” screen at 1920x1080, and indeed its average frame rates typically exceed the 75Hz display’s native refresh. But we’d point out that MSI’s specs do satisfy the minimum requirement for Oculus’ Rift headset. And when you’re not immersed in virtual reality, it’s hard to complain about G-Sync support on an IPS panel.

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It’s also easy to fall in love with the two 128GB Samsung SM951s that MSI stripes together in RAID 0. Individually, those PCIe-based SSDs are capable of 2GB/s sequential reads and up to 650MB/s sequential writes, so you’re looking at incredible storage performance. Unfortunately, the two vacant M.2 slots under the hood cannot be populated with SATA drives, so long as the PCIe SSDs are installed. Should you fill up the SM951s and 1TB HGST Travelstar, you’ll have to start swapping in larger drives. MSI does populate all four of its memory slots—this configuration includes 32GB of DDR4-2133. We don’t think you’ll mind the lack of available expansion there.

Nobody expects a desktop replacement to do its business away from a wall socket, but the GT72S Dominator Pro does last almost 10 minutes longer than Asus’ G752VT-DH72 in our Unigine Valley loop. Of course, the massive nine-cell power source also adds considerable weight—we measured the notebook at 3.90kg (versus MSI’s 3.78kg specification). For comparison, Alienware’s 17 R3 is a little lighter at 3.68kg, while Sager’s NP9870-S tips the scale at 5.00kg.Whereas MSI keeps the GT72S’s heft under control, the company gets fairly flamboyant in the aesthetics department. You’re either going to love or hate the red cover with its dragon profile and LED-lit eye. The dragon makes its return on the palm rest, though your eyes will probably be diverted by the full-color backlit keyboard. Unfortunately, the driver on our review unit wouldn’t load, but we’re plenty familiar with SteelSeries’ technology and the comfortable island-style layout.A larger chassis means more room for peripheral connectivity. You get six USB 3.0 ports, one USB 3.1 Type C port with Thunderbolt 3, audio I/O, an SD card reader, gigabit Ethernet, HDMI 1.4, mini-DisplayPort 1.2, and a Blu-ray writer (a built-in Killer Wireless card covers 802.11ac networking as well). The roomy enclosure also leaves plenty of room for cooling. By default, the GT72S idles along quietly, spinning up only when you hit it with a gaming load. We never found it necessary to activate the keyboard’s fan boost button; maximum performance was easily achievable out of the box.

Plenty of desktop replacements tantalize with more exotic specifications, but MSI’s GT72S Dominator Pro G 29th Anniversary Edition gets us great gaming performance, plenty of power for productivity apps, ample connectivity, reasonable upgradeability, and a fair price.Although we have an affinity for value, there’s also something to be said for craftsmanship. By modern standards, Razer’s Blade is, well, outdated. Its Core i7-4720HQ processor was eclipsed not one, but two generations ago. And as a result, there is no provision for PCIe-based storage—the compact system utilizes a SATA-based SSD, suffering the performance ceiling that interface imposes. You don’t get power-saving DDR4 memory either. Razer plans to rectify all of that with its upcoming Razer Blade Stealth, though that’s a very different sort of notebook.

So why continue fawning over this thing? In a word, it’s beautiful. As superficial as that sounds, when you line the Blade up against seven purpose-built gaming notebooks, its .7” height and 2.05kg weight really come into perspective. Razer leans on the same black anodized aluminum body it used a generation earlier. It’s absolutely solid. There’s no flex. The lid’s hinge moves and holds position confidently. Age aside, it’s an elegant-looking platform you wouldn’t expect could game. And yet it does. A GeForce GTX 970M isn’t going to drive the 14” 3200x1800 IGZO display smoothly at its native resolution, but we coaxed plenty-fast frame rates from it at 1920x1080. And when you’re not gaming, the touch-enabled screen is so much easier to use than any trackpad in our round-up. Don’t worry, you won’t be squinting at tiny icons—Windows 10 goes a long way in improving icon scaling.

An aging HM87 chipset takes a toll on storage interfaces and expandability. Our review sample came with a 256GB SATA-based Lite-On L8T-256L9G SSD (other options include 128 and 512GB SSDs). Frankly, it’s plenty fast. The latest NVMe-capable drives can be quite a bit quicker, though. There’s also no secondary disk for user data. Should you fill the factory SSD, your only recourse is replacing it with something larger.The year-old Blade is also missing much of the peripheral connectivity in vogue on newer systems. Three USB 3.0 ports ensure you’re covered for a mouse, headset, and flash drive, while HDMI output works for hooking up to an external display, though sadly HDMI 2.0 isn’t supported. There’s a 3.5mm headphone/mic combo jack and a Kensington security slot, but that’s it. No DisplayPort, USB 3.1 Type C, Thunderbolt, or even GbE. Still, for most of us, 802.11ac is plenty, and the Blade has it. Our sample also includes 16GB of DDR3L-1600 in a dual-channel configuration.

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I’m an admitted sucker for touch-capable displays like Razer’s. With that said, the Blade’s trackpad isn’t half-bad either. It’s large relative to the notebook’s form factor, and the two buttons click authoritatively across their entire length. In a strange twist, it’s the keyboard I’m not as fond of this time around. The chiclet-style keys are spaced well and their travel is as-expected. But a combination of the green backlight and non-standard font had me making more typos than usual. The tiny up/down arrows confuse unaccustomed fingers searching for where those keys are normally found.Noise and heat are where you’d expect a compact notebook packed with gaming hardware to come up short. Razer’s Blade and the Gigabyte P34W v5 we’re also reviewing struggle in both disciplines. Under a heavy 3D load, their GeForce GTX 970Ms heat up to around 85 °C, and fans respond by spinning up like miniature turbines. On the aluminum Razer, heat accumulates around the top of the keyboard, close to the power button. This is deliberate. The idea is to keep the areas you touch cooler.

The Blade we reviewed costs $2,400. No doubt that’s a lot to pay for a notebook launched almost one year ago, particularly when the Razer Blade Stealth can be ordered for a thousand bucks less. Just remember that the Blade Stealth has half the memory, Intel HD Graphics 520, and a dual-core CPU. It’s an Ultrabook with an external graphics option. Gigabyte’s P34W v5 is a better comparison at $1,800. That machine includes a Skylake-based CPU, DDR4 memory, and a 128GB Samsung SM951 SSD. You don’t get a touch-sensitive display though, and the build quality isn’t as high. For the extra $600, Razer won us over with wow factor.What makes one laptop more attractive than another in the eyes of a gamer? Is it light weight, for portability in between LAN parties? How about high-end hardware to facilitate the fastest frame rates? Surely connectivity matters. External displays, gaming peripherals and direct-attached storage can make you forget you’re even using a notebook. Or maybe value is what matters most. For a low-enough price, we’re all willing to compromise on graphics quality, right? Right?

Of course not, which is why the best builders cram in as much processing muscle as possible, even when money is tight. And at the top of the range, desktop-class components in mobile enclosures set new performance records with every generation.The last time we rounded up gaming notebooks, Intel was touting its Haswell architecture and Nvidia had the market locked down with Maxwell-based GeForce GPUs. So much has changed. We’ve skipped right over fifth-generation Core CPUs, landing among Core i7s built on the Skylake design. Nvidia's Maxwell remains prevalent, though there’s a new sheriff in town: the GeForce GTX 980…for notebooks. And you’ll notice a lot less emphasis on SATA 6Gb/s SSDs. Today’s gaming laptops increasingly come equipped with PCIe-attached storage, supercharged through the low-latency NVMe interface.

When you add a year’s worth of mobile display innovations (like G-sync and 4K panels) to those go-fast components, it’s no wonder that choosing a favorite configuration is so difficult. We ran a battery of tests on eight attractive models to help you pick the best.Take Sager’s NP9870, for example. Unquestionably the most desktop-like of our desktop replacements, it wields a 91W Core i7-6700K processor, the unfettered GeForce GTX 980 with 8GB of GDDR5, 32GB of DDR4-2133 memory, and Samsung’s 256GB 950 Pro SSD. That list reads like an actual high-end gaming desktop’s specs. It then goes so far as to incorporate the same 17.3” IPS panel as MSI’s GT72S, enabling G-Sync for stutterless and tear-free gaming. It only costs about $100 more than the MSI, too. Dual GbE ports and a second mini-DP output sweeten the deal. The NP9870 is just so heavy, though. Surprisingly, the big bruiser doesn’t have an optical drive bay, and its beveled keyboard isn’t as comfortable to use. Then again, if the true desktop-class CPU is important to you, Sager could be the way to go.


 
 
 

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