The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
by Anand Lal Shimpi on July 28, 2011 3:25 AM EST- Posted in
- Apple
- Mac
- Intel
- Sandy Bridge
- MacBook Air
- Laptops
It's Back: The Backlit Keyboard
You knew as soon as people started complaining about it last year that Apple would have to return to a fiber optic backlit keyboard in the next MacBook Air. The 2011 models go back to their 2008 roots and both have a backlit keyboard.
The backlight functions no differently than in the MacBook Pro and is very useful for those of us who do a lot of writing at night. I lived without the backlit keyboard on last year's MacBook Air, but I always missed it.
The ambient light sensor is built into the camera assembly in the Air's bezel. Shine a bright light into that area and the keyboard backlight will turn off and the display will brighten. Conversely, cover the camera hole and the backlight will turn on and the screen will dim. You can disable each feature independently if you'd like.
Other than the backlight, the Air keyboard hasn't changed in three years. That's not to say it needs to, it's still one of my favorite keyboards. You get the same size keyboard from the 11-inch MacBook Air all the way up to the 17-inch MacBook Pro. The only difference is in the height of the function keys which are made smaller on the 11 simply due to a lack of space. Nearly every other aspect, key size, travel and feel remain unchanged between Apple's five notebooks. Maintaining consistency throughout a product line is always something Apple has excelled at.
There is one small change to the new MacBook Air keyboards - the function keys. F5 and F6 now control the brightness of the backlight, obviously absent from the previous model. There's no longer an eject button as Apple is really not expecting you to use any optical media with these new notebooks. F3 and F4 now have new functions thanks to Lion. F3 brings up Mission Control and F4 fires up Launchpad, both with sweet new pictures of each on the keys themselves.
Obviously you can map similar functionality to any function key on older Macs but it looks like this is going to be the standard Mac keyboard layout going forward. The trackpad remains unchanged in size or function from the previous MacBook Air.
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name99 - Thursday, July 28, 2011 - link
"The WLAN solution in the Air is capable of up to two simultaneous spatial streams, topping out at 270Mbps.
In practice this results in peak performance over 802.11n at around 128.8Mbps.
"
This is a horribly misleading way of stating the issue. It implies that Apple or the chipset or something are somehow defective, in only delivering 50% of the available performance.
The ACTUAL problem is the 802.11 MAC & protocol, which wastes about 50% of the available bandwidth doing god knows what. The packets that go out, go out at of order 270Mbps, but 50% of the time packets are not going out.
This would be a good topic for a future AnandTech article --- just what the hell is the 802.11 MAC doing that wastes so much airtime?
A useful issue to discuss in the same article is the following:
I read once that there was an advanced option in the 802.11n MAC that reduced this wasted time to only (hah!) about 25%, but I have never seen details on this (and I have looked). Is it real? If it is real, does anyone support it?
ninjaquick - Thursday, July 28, 2011 - link
The relevance of SSDs is really only synthetics and low ram high cache situations. I do like seeing these get beat out squarely by an i3 in pretty much everything else in the win7 tests.bji - Friday, July 29, 2011 - link
How do you draw that conclusion about SSDs?KPOM - Friday, July 29, 2011 - link
They only get beaten out by the i3 in the 3D tests, which are driven by the GPU, so it's more fair to say that the HD 3000 gets beaten out by a discrete graphics adapter, which is no surprise. The Airs handily beat out the i3 in the CPU-intensive benchmarks.I've used an SSD since November 2008 and won't go back. I still need to use a HDD-equipped machine at the office, and I can't stand how long it takes to restart, shut down, or do anything disk intensive. The SSD made the Core 2 Duo-equipped MacBook Air tolerable in a world of i3s, i5s, and i7s. The Sandy Bridge-equipped MacBook Air with SSD makes it that much better.
Baron_Fel - Thursday, July 28, 2011 - link
When are you guys going to review the new Vaio Z? I want to know if that external GPU is worth anything.TwoStreetCats - Thursday, July 28, 2011 - link
I'm a very happy owner of the 2010 11" version and have to say that the form factor was the primary draw for me as I travel quite a bit. It fits quite nicely in the hydration pocket of my backpack and I hardly know that I have it with me.The only thing that is occasionally frustrating is the vertical resolution as the article mentions.
However, I use Mac Screen Rotate to rotate the screen and touchpad for portrait viewing when browsing or viewing pdf's and this problem is solved. If size and weight are serious factors for you, I highly recommend trying this out with the 11" before you decide that you need the 13".
www.macscreenrotate.com
bji - Friday, July 29, 2011 - link
If the TDP of the processor + graphics is 17W, why does the Macbook Air even need a fan?My Panasonic Y2, which I still use because I can't find a laptop I like better (just sold a Sager NP5160 that I only owned for 2 months because I couldn't stand the fan noise or the horrible keyboard), has a 22 W max TDP on just the Pentium M 1.4 Ghz processor. Probably the crummy Intel integrated graphics doesn't add more than a few watts but together they must be at least 25 W.
And yet, the Macbook Air, with a 17 W processor + graphics combined, has a fan. There is plenty of aluminum in the body of the Macbook Air to act as a heatsink, why does Apple even need to put a fan in there? If the Y2 can go fanless, surely the Air can.
bji - Friday, July 29, 2011 - link
OK, turns out the Pentium M in my Panasonic Y2 is the 10 watt Pentium M 738, not the 22 watt Banias Pentium M.The Intel 855 GME chipset is listed at 3.2 W.
Is it really the case that 10 W can be fanless but 17 W cannot?
tipoo - Friday, July 29, 2011 - link
Might be possible in 17w, but it already gets pretty hot WITH a fan.hellknight - Friday, July 29, 2011 - link
I couldn't believe that Intel included AES instruction set in such low voltage chips. Even the base model has those.. This is something very great.. It would be great for all Truecrypt users..