Done for 2009: The Holiday MacBook Pro Roundup
by Anand Lal Shimpi on November 10, 2009 12:00 AM EST- Posted in
- Mac
Still Better Battery Life Than Windows 7
Other than running Safari in 64-bit mode, the best way to hurt battery life on your MacBook Pro is to throw Windows 7 on it. I've pointed OS X's battery life advantages out before, but this is one of those things that's difficult to compare since there's only one brand of computer that runs OS X.
The best reference point I've got is still my old Thinkpad X300. It has a similar configuration in terms of battery capacity and CPU power draw to the MacBook Air, yet gets about half the battery life under Windows Vista as the Air did under OS X. Put them both under Vista and they are quite similar.
I ran a few more tests with the MacBook Pro under Windows 7 to see what the final tally was. Apparently the latest version of Boot Camp improves Windows 7 battery life, but I like having numbers to back up unverified claims.
I ran two tests under Windows 7, our light wireless web browsing test and our XviD playback test. The reason I chose these two is simple: I wanted one where the system spent a good amount of time in an idle state (up to 20 seconds between web page loads in the web browsing test) and another where the system was constantly busy (with no hardware XviD offload, the CPU has much less downtime).
Windows 7 was configured to maximize battery life, running in its power saving mode. Unlike the test I ran in the last review, I used IE8 and Windows Media Player 11 in Windows 7 while I used Safari/iTunes in OS X. The results I got were both expected and quite revealing:
| 13-inch MBP Battery Life | OS X 10.6.1 "Snow Leopard" | Windows 7 x64 | OS X Advantage |
| Light Web Browsing | 468 minutes | 263 minutes | 77.9% |
| XviD Playback | 207 minutes | 198 minutes | 4.5% |
The light wireless web browsing test echoed what I'd seen previously: OS X is better for battery life when it comes to lots of idle time (from the CPU's perspective). But look at the XviD results, the two OSes last the same amount of time.
These results appear to confirm what I'd suspected; throw enough load on the system and the OS X advantage is negligible. Keep it light and with enough idle time and you'll find OS X pull ahead. Jarred has seen similar results. One of his battery life tests involves leaving the laptop idle at the Windows desktop until it shuts off. None of his laptops have ever been able to match the battery life of the MacBook Pro in my light wireless web test.
Ultimately Apple still uses the same hardware as PC notebook manufacturers, so under load its systems shouldn't really consume any less power. But at idle Apple has much more control over the OS and drivers than a Dell or HP, the result appears to be better idle battery life. For light usage or working with a lot of pauses or downtime, OS X just lasts longer.
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sprockkets - Wednesday, November 11, 2009 - link
While in general their stuff just works better with OSX for the general public, and this issue will never affect any of them, still, this issue, plus the stupidity of having unlocked iphones legally purchased in other countries lose their ability to teather and other stuff makes for a big disconnect.They didn't handle the SATA issue well at all, and the efi update didn't help either when there was no easy downgrade option.
martinw - Wednesday, November 11, 2009 - link
Not really news, it's just the way Apple works, particularly towards developers. For some reason they do not admit to faults, they just go away and fix the problem in a future version. Not ideal from a developer angle as I'd prefer to get an acknowledgment that something is definitely wrong and that it will be addressed, but at least the problems do get fixed eventually.windspast - Thursday, April 1, 2010 - link
I was a bit disappointed with this article. In a technological website, an article like this with many pages only spent ONE single page on the actual TECH. This article only spent ONE PAGE talking about the spec and it wasn't even any comparison on how fast (or slow) this computer is. For a technological website, this article only talked about things that didn't matter.When it comes to comparing Mac and DELL or HP, the rest of it is irrelevant. Design is purely objective. I don't care if the MacBookPro is thinner by a tiny little bit. It's not that big of a deal. 2 pounds worth of difference? WHO CARES. I buy a computer for the power that it offers, not whether or not it's thin enough to be a coaster.
I don't care if the DELL is one or two pounds heavier if it cost half as much and is twice as fast. I don't care if the MacbookPro has a "stylish" design. I think it's plain and boring looking. I don't care if it has a longer battery life. That's not important to me. I want POWER out of my machines without having to sell a kidney to buy one.
This is a TECH website, not a style website. I bet if you spend one second showing how much the i7 blows the core 2 duo out of the water, none of the other stuff will even matter.
Mac isn't a BMW or a Lexus or a Cadillac.
Mac is a beat up Honda with a new paint job and a higher price tag.
jhl654321 - Wednesday, April 14, 2010 - link
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roxyland - Thursday, April 15, 2010 - link
Anand, while the rest of your article seems like a very objective analysis, I couldn't agree less with your comment "virtually anything you can do in OS X can be done in Windows 7"...I don't even want to touch on the subject on UI capabilities on each platfrom, where it all comes down to user preference, but if you were more than the average desktop user, OSX give you all the power and flexibility of UNIX via a shell. It wouldn't even be fair to compare the far limited command line utility available on Windows to a UNIX shell.
Anyone with experience on either linux or any flavour of unix will tell you how invaluable this is for more serious work on an OS. On these terms Windows 7 is still more comparable to "buying a car with it's hood welded shut".