Apple's 2010 MacBook Air (11 & 13 inch) Thoroughly Reviewed
by Anand Lal Shimpi on October 26, 2010 10:08 PM EST- Posted in
- Mac
- Apple
- MacBook Air
- Laptops
The Battery Life
Light Web Browsing
Here we're simply listing to MP3s in iTunes on repeat while browsing through a series of webpages with no flash on them. Each page forwards on to the next in the series after 20 seconds.
The display is kept at 50% brightness, all screen savers are disabled, but the hard drive is allowed to go to sleep if there's no disk activity. The wireless connection is enabled and connected to a local access point less than 20 feet away. This test represents the longest battery life you can achieve on the platform while doing minimal work. The results here are comparable to what you'd see typing a document in TextEdit or reading documents.
As glorified typewriters, you can’t beat the battery life offered by the MacBook Air. Light web browsing, document creation and music playback have minimal impact on the Air’s battery life. In fact, we actually beat Apple’s battery life claims in our light tests. The 11-inch Air delivers nearly 7 hours on a single charge and the 13-inch managed 11.2 hours. For a writer, you can’t do better than this.
Flash Web Browsing
The test here has three Safari windows open, each browsing a set of web pages with between 1 - 4 animated flash ads per page, at the same time. Each page forwards onto the next after about 20 seconds.
As always, the display is set to 50% brightness, audio at two bars, screensaver disabled and the hard drive is allowed to go to sleep if idle. The wireless connection is enabled and connected to a local access point less than 20 feet away.
If you use the MacBook Air as a full function P...err Mac, the battery life drops steadily. In our Flash web browsing test battery life dropped to 4 - 5 hours depending on which Air you’re looking at. And the difference between the two isn’t all that great. The 13-inch only managed an extra 30 minutes of battery life.
Multitasking Battery Life
Our final battery life test is the worst case scenario. In this test we have three open Safari windows, each browsing a set of web pages with between 1 - 4 flash ads per page, at the same time. We're also playing an XviD video in a window all while downloading files from a server at 500KB/s.
Our heavy multitasking test is the biggest issue. Neither MacBook Air was able to deliver more than 3 hours of battery life on a single charge. The problem here isn’t just battery capacity but also the performance of the CPUs themselves. A major component of long lasting mobile battery life is a concept known as rush to idle.
Let’s say we have two CPUs. The first is an ultra low power CPU that only consumes 10W under load, but 0.5W at idle. The second is a high performance CPU that consumes 40W under load and 1W at idle. If it takes the first CPU 5ms to decode a frame of video at 10W but the second CPU can do it in 1ms, the total energy consumed over 33ms is is 0.064J for the first CPU and only 0.036J for the second CPU.
The longer the first CPU is idle, the more its typical and idle power advantages will come into play (hence the results in the light web browsing test). The more CPU bound the workload however, the more the advantage over the second more high performance CPU will disappear. Our heavy downloading/multitasking test is the most CPU bound of all of our battery life tests and the workload is consistent regardless of how fast you execute it. In other words, a faster CPU won’t be able to do more work, it’ll just be able to rush to idle quicker.
The battery life story boils down to your usage model, even more so than with the MacBook Pro. Light users are going to get wonderful battery life out of the new MacBook Air, particularly the 13-inch model. However, if you are the type of user who does a lot of multitasking or if you’re running particularly CPU intensive apps (e.g. Photoshop, iMovie, etc...) then these two notebooks will hardly last you. I suspect this is the distinction Apple is looking to make. If you’re a regular user, just playing around on Gmail and browsing the web then the MacBook Air is all you’ll need. If you are doing any work with your machine however, you’ll want to look towards the MacBook Pro.
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Anand Lal Shimpi - Wednesday, October 27, 2010 - link
Not at all. But workloads, even within a given field, have grown much more intense over the past 5 years. While my example was simply photo editing, compile times for large projects should also be much longer on the 11 compared to any of the Core i-series platforms today. I'm not saying it can't be done, I'm saying you'll begin to impact productivity as a result.Obviously what you do for a living is real work - it'd just take longer on the 11-inch MBA vs. one of the MBPs.
Take care,
Anand
lemonadesoda - Thursday, October 28, 2010 - link
I've added a different usage picture for comparison. My "real work" workflow is something like this:1/ Read emails
2/ Read attachments, e.g. word, excel, PDF documents
3/ Take phone calls on VoIP/skype
4/ Log in to corporate webserver, check activity
5/ Send emails
6/ Write offers, workplans, status reports, invoices, in word. Convert to PDF
7/ Review training material/videos incl. created by us on SD card
8/ Fool around on the web during breaks
9/ Check anandtech
10/ Check emails
11/ Prepare articles and presentations, use a beamer (VGA D-SUB)
12/ Online banking
My "real play" workflow is something like this
1/ Read emails
2/ Fool around on the internet
3/ Play a few flash games with my kids
4/ Download pictures from camera on SD card
5/ Check, select, fix, upload to fileserver/website
6/ Download a video from my camcorder
7/ Upload to youtube
8/ Read anandtech
No, I do not expect to use my "netbook" for DirectX gaming. Not sure why everyone wants to do this. Havent they got a full-size desktop for this. A "netbook" has a different life-purpose and shouldnt be expected to replace a desktop.
On an Atom netbook, my workflows struggle with the video material and skype video. Skype audio is OK.
On the Apple 11" the workflows would be fine except we are missing the SD card slot. PITA for me. Not sure how we would connect to a beamer. I guess some kind of "converter dongle" would be needed to get from displayport to D-SUB VGA which is what 99% of beamers (and their room installations) require.
titeroper - Wednesday, October 27, 2010 - link
Anand and gang and fellow forumites - I know I may be shot down for asking this, but perhaps for xmas, can you write a quick article on how you think Apple will deal with Sandy Bridge upgrades early next year for MBP's?How does Nvidia fit in? Is there space for both a dedicated 400m series GPU + Intel HD and Sandy Bridge? Is it as easy as updating the current 2010 config with these parts?
I hope someone can help answer here, as I am looking forward to this update come Q!/Q2 2011.
Pantsu - Wednesday, October 27, 2010 - link
I'll soon update my old white macbook of early 2008, but this isn't quite up to snuff. While the form factor is superb, everything else is not. Weak CPU, only 2GB memory, limited although fast storage, and of course the price. It's probably better to wait for Sandy Bridge or Zacate in early 2011. Those should really bring something new, and I hope Apple will update the MacBook Pro at that time, otherwise I'll have to go Windows again, which I don't care to do in a laptop environment.new-paradigm - Wednesday, October 27, 2010 - link
Just looking at the specs of the 11.6" MBA, and the fact that it's 11.6" ... can apple honestly claim not to be in the netbook game anymore?Seriously, any laptop under 12" in screen size is a netbook, and bizzarely apple's reasoning behind omitting the dvd drive and other sundry pieces of usual hardware/connectivity (i.e. expected use and target audience) is almost exactly the same as those used when explaining their omission on netbboks.
SraCet - Wednesday, October 27, 2010 - link
The term "netbook" was coined to describe the small cheap laptops that were coming out a couple years ago with 7" screens, miniature keyboards, and barely enough storage space to run Linux. NETbook because they were only powerful enough to do basic web surfing--get it?Now everybody is calling every small laptop a "netbook," I guess because the word sounds cool, and everybody has their own made-up criteria for what is and isn't a netbook.
If you want to arbitrarily declare that anything with a < 12" screen is a netbook then fine. But surely you realize this isn't what Steve Jobs was referring to when he expressed his displeasure with "netbooks."
lemonadesoda - Thursday, October 28, 2010 - link
The word "netbook" is a living and evolving term. I don't think it was coined to have a fixed meaning of "cheap and 7 inch" and nothing else! Many years ago a laptop was something that was 11-13". Now we have laptops with 15" and 17" screens. Nobody is shouting "you cant call it a laptop, it doesnt sit on your lap anymore". The term laptop has evolved. Just as has the term desktop. Does desktop have to mean a very expensive Intel 386 with ISA, PCI, floppy and VDU? No, of course not.I think it is better to let the term netbook be defined as a "underspecced compared to a workstation" and "portable enough to put in your briefcase" and "powerful enough to run "net" applications" then I think we can allow the Apple 11" to be called a netbook. It is helping to redefine the term netbook perhaps, just like a mercedes or bmw has redefined our expectations of what a car is, or can be.
webdev50 - Wednesday, October 27, 2010 - link
Unfortunately, reviews like these don't consider how these machines will hold up after you start using them on a daily basis. Apple's equipment is developing a notorious reputation for having quality control issues. Search TS2377 on Google. Apple is using commodity hardware just like other manufacturers do, so Apple's equipment is prone to failure like everyone else's, regardless of price.My 2008 MacBook Pro 17" was repaired twice for the same Nvidia issue within a couple of months this year, so I switched to a Windows 7 machine instead because I need a reliable computer. I still have my MacBook Pro, but I'm running a stress test on it 12 hours a day trying to break it so I can get it replaced from Apple. When I get the replacement, I'm not even going to open the box; just sell it on craigslist.
Sure, OS X is pretty, but what good is it if the hardware is unreliable? And I can't legally use OS X on anything but Apple hardware. (Besides, after using Mac OS X software for 7 years, I've actually found it to be quite limiting and not as robust and mature as Windows software.) I'm not going to buy more than one Mac just so I can have a spare to use while Apple spends weeks repairing my computer.
Dealing with the "Geniuses" at the Apple Store can be very unpleasant too. When I called Apple Tech Support to verify what I was told at the Apple Store, they suggested I go to another Apple Store.
What am I supposed to use when my Mac breaks down and is getting repaired? It's cheaper to buy two Windows machines if one of them needs to be repaired than to buy one Mac.
My perspective now is not to buy anything from Apple that can't be immediately swapped if it's faulty. An iPhone or iPod can be quickly swapped out. Macs need to go through Apple's three-ring circus to get repaired. And who knows what the gorillas in the back room are going to do with it (and the spinning hard drive)? After I got my machine back from them, I needed to clean the lens on the DVD drive so I could burn a backup DVD. I don't want to know what they stuck in my DVD drive.
iwodo - Wednesday, October 27, 2010 - link
Isn't that a known issues that happen on ANY nvidia Gfx Laptop?AMDJunkie - Wednesday, October 27, 2010 - link
iwodo is right. HP, Dell, anyone who used the mobile (and desktop) Nvidia 8600 chip was affected. Research "bumpgate."I think Apple's pretty damn generous to have a program in place to replace your logic board, even out of warranty, seeing as just last month Nvidia finally settled and made a page for owners of PCs with the afflicted chips to get refunds or repairs. If you had an HP, I had heard (hearsay, now), that if you were out of warranty, tough, and this was the only (and only recently available) recourse.
I know for a fact that Apple's not as generous to give you a whole new model though, as long as it's for the graphics issue. Your best bet is to go here:
http://www.nvidiasettlement.com/