Lenovo ThinkPad SL500 Battery
- fasophiafrance
- 2016年3月21日
- 讀畢需時 8 分鐘
The 1080p screen on the F555LA is a great value --- you almost never find a laptop under $500 with this screen resolution. In fact, most laptops under $800 have lesser 1366 x 768 resolutions. With 1920 x 1080 pixels, you can see significantly more content on the screen, without scrolling. In a New York Times article I lost a paragraph and a half, and I had to scroll down 11 extra lines in a Google Doc I was working on. When watching videos or surfing the Web, I noticed that the display was a little cool with white backgrounds appearing slightly blue. I streamed the latest trailer for Batman v Superman: Dawn of Justice on YouTube and found it hard to make out what was going on in a scene where Batman takes out a building full of bad guys, as the colors blended together. Brighter colors, such as those on Superman's suit as the Batmobile's headlights illuminated it, were more vivid and accurate.
Unfortunately, the display isn't all that bright. When I first put the laptop on my desk, I went to brighten the dim-looking screen and found that it was already at its maximum brightness of 198 nits. Dell's Inspiron 15 3000 reached 221, though the Toshiba Satellite L55 did worse at 151 nits. Viewing angles are sufficient at 45 degrees, but the screen is totally washed out at 90 degrees. The Asus panel covers 70.4 percent of the color gamut, more than others in the price range (all in the low 60s), but has a less accurate screen with a Delta-E score of 6.34 (closer to zero is better). The Inspiron scored 3.2, while the L55-C Satellite was worse than the Asus at 4.6.
I was truly surprised by the quality of sound that came out of a laptop this inexpensive. When I played Mark Ronson and Kevin Parker's "Summer Breaking / Daffodils," the audio emanating from Asus' SonicMaster speakers was fairly well-rounded. The highs, mids and bass were all noticeable, even if they weren't top of their class.
The computer comes with the ICEpower AudioWizard program and Realtek HD Audio Manager. AudioWizard is set to Music Mode by default, and you should leave it there, while Realtek's software will be better for those who want some fine-tuning (but in that case you'd be better off using nice headphones).
Performance The F555LA's Core i3-5010 processor and 4GB of RAM aren't made for serious processing power, but this laptop can handle a mix of light multimedia usage, Web browsing and productivity without an issue.
I multitasked by browsing the Web in Chrome, streaming 1080p with YouTube and typing a document in OpenOffice Writer. Once I hit eight tabs in Chrome, I started to notice some serious lag as I switched between the open websites, but I was still able to type in OpenOffice without a problem. The F555LA couldn't keep up with more expensive competitors on the Geekbench performance benchmark. The laptop's score of 2,080 was beat handily by the $600 Satellite L55 i5 processor (5,564) and the $400 Inspiron 15 3000's AMD A6-6310 APU (3,577).
Asus' notebook fared a little better in our OpenOffice test, taking 6 minutes and 31 seconds to match 20,000 names and addresses. It was surpassed by the Satellite L55 (5:10), but the Inspiron 15 3000 took its sweet time at 12:55.The F555LA's 500GB hard drive fell just short of the competition, copying 4.97GB of mixed media files in 32.2 seconds. The Satellite took 28.4 seconds and the Inspiron, 22.9 seconds.
The real estate on the sides of the F555LA is put to good use with plenty of ports. The left side of the computer is home to the power port, an Ethernet jack, a VGA port, an HDMI port, two USB 3.0 ports and a lock slot. On the right side is the SD card reader, a headphone and mic combo jack, a USB 2.0 port and a CD/DVD drive. When I opened the camera app to test the webcam, I saw a blurry version of myself staring back at me. A selfie that I took with the webcam lacked a lot of detail in my face and had quite a bit of distortion while the highlights were completely blown out.
Battery Life The Asus F555LA performed admirably for its price on the Laptop Mag Battery test, lasting 5 hours and 44 minutes of Web surfing over Wi-Fi at 100 nits of brightness. The Toshiba Satellite L55 ran for 5:14 and the Dell Inspiron hit 5:13. The F555LA's time is just a minute short of the category average for mainstream notebooks, including many that are significantly more expensive. On 3DMark, a synthetic graphics benchmark, the F555LA notched a score of 46,285. The Inspiron's score of 31,541 was worse, while the Satellite topped it at 54,638.
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Heat This Asus notebook stayed cool under pressure during our heat test. When we streamed 15 minutes of HD video from Hulu, the underside reached 81 degrees, the spot between the G and H keys reached 84 degrees, and the touchpad was nice and frosty at 77 degrees -- all below our 95-degree comfort threshold.
Software and Warranty The extra software that comes with the Asus F555LA is welcome for its sparseness and includes the WinFlash BIOS update tool, the Splendid display adjustment utility and the aforementioned audio software. The only cases of bloatware are Twitter and Candy Crush Soda Saga, which come pre-installed, though there is a big link to download Flipboard in the Start menu.
Like the majority of Windows laptops, the F555LA also comes with a 1-month trial of Microsoft Office. Asus offers a 1-year warranty with accidental damage protection.
Configurations Our review unit, which retails for $374.99, came with a Core i3-5010U, 500GB hard drive and 4GB of RAM and is exclusive to Amazon.
Another version of the F555LA is available at Best Buy with a Core i5 processor, 8GB of RAM and 1TB HDD and 1366 x 768 display for $499. The similar F555UA at Amazon comes with the same specs and price as the Best Buy version, or with a Skylake Core i7 processor for $683.99.
Bottom Line The Asus F555LA is a solid value, offering good speakers, a sleek design and a full 1080p display for a fraction of the price of competitors' machines (some of which pack a lesser 1366 x 768 display). There are some trade-offs, notably a bouncy keyboard and a somewhat dim screen. But if you're on a budget and are looking for a 15-inch notebook for some light browsing, checking Facebook and text editing, the Asus F555LA offers a lot for the money. T he Nexus 5X is at the vanguard of a new wave of smartphones. First established by Google with the hugely popular Nexus 5, and followed by phones such as the OnePlus One, this new breed sits neatly between the low-cost Moto G on one side and flagships such as the iPhone 6s on the other.
It’s an attempt to offer the best of both – a smartphone with everything you need, but with none of the bells and whistles you don’t. That, in short, is precisely what Google’s Nexus 5X delivers.
No supermodel curves
Given the $659 price, it isn’t a shock that the Nexus 5X is no supermodel. Available in black, white and light blue, it has a smooth, eggshell finish to its coloured plastic back, complete with clumsy branding for LG, which made this iteration of the Nexus.
In terms of shape, the 5X moves away from the Nexus 6’s curved case and chiselled edges, instead preferring a flat rear panel with only short radius curves at the sides. It’s a more practical design than the Nexus 6 – you can place the phone on a table and tap away without it wobbling – but it’s far less attractive.
The 5X’s power and volume rocker on the right edge feel plasticky and insubstantial. The nano-SIM drawer doesn’t close with a positive click. Overall, it’s a far cry from the Nexus 6. The only advantage the Nexus 5X holds from a physical perspective is that it’s extremely light for a phone of its size, weighing a mere 136g, and is comfortable to hold and slide into a pocket.
Flanking the 5.2in screen, top and bottom, are a pair of stereo speakers, which is a design decision carried over from the Nexus 6 and one I very much approve of. I’m tired of having to be careful how I hold a phone such as the iPhone 6s for fear of blocking the grille and muting the audio.As for the screen itself – well, it’s unremarkable. With 1,080 x 1,920 pixels, it offers a high 423ppi pixel density, and it’s also bright. The problem is that it lacks the vivid punch of the best phones.
One thing this phone delivers, without dispute, is all the latest in smartphone technology. There are two aspects of this you’ll notice right away. First, the Nexus 5X has a USB Type-C socket, a new type of charging and data-transfer port, located on the bottom edge of the phone. Second, it has a fingerprint reader, which sits on the rear of the phone, just below the slightly protruding camera housing.
From a design perspective, the decision on Google’s part to implement both technologies is to be applauded. I much prefer Type-C’s physical design to the ubiquitous micro-USB. It’s reversible, so can’t be forced in the wrong way, and it engages with a more positive click than most micro-USB ports. You will need to budget for spare cables, though, and purchase an adapter straight away if you want to plug it into a laptop or car charger. Bizarrely, the cable in the box is a double-ended Type-C cable, which can’t be connected to most modern chargers and computers.
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The fingerprint reader (dubbed Nexus Imprint) works beautifully, allowing you to access and purchase Google Play content quickly and simply, without having to type in a password. Its position on the rear means it falls naturally under your index finger as you pick up the phone. It’s quick and easy to register your fingerprints, and – so Google claims – it will also learn and become more accurate as you use it.
Frankly, I’m not sure it needs to. The only time the Nexus 5X failed to recognise my fingerprint was when I placed my finger half-on the sensor. On every other occasion, it worked flawlessly and quickly. It’s roughly on a par with the iPhone 6s’ Touch ID sensor in terms of how quickly you can unlock the phone.
Given all this cutting-edge technology, it’s disappointing that Google continues to omit one of the more humdrum elements – expandable storage – from its Nexus handsets. Once you’ve bought your 16GB or 32GB Nexus 5X, you’ll be stuck with it, so choose carefully.
Speed and battery life
Instead of going all out for the most powerful mobile chip on the market, which has been left for the flagship Nexus 6P, the Nexus 5X contains a hexa-core 2GHz Qualcomm Snapdragon 808 processor. That’s the same as is found within the LG G4, and Google accompanies it with 2GB of RAM and an Adreno 418 GPU.
In benchmarks, this means the Nexus 5X doesn’t hit the heights of the most expensive phones on the market. But it will be more than fast enough for most people. My only complaint is that the camera app is occasionally a little sluggish to launch, and stutters when you swipe from stills to video mode and back again.
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