Samsung Chromebook (XE303) Review: Testing ARM's Cortex A15
by Anand Lal Shimpi on October 31, 2012 9:00 AM ESTDisplay Quality
The new Chromebook's display is still a fairly mediocre TN panel, but for anyone used to the majority of low cost PC notebooks over the past few years it's really not any different. The 16:9 display measures 11.6 inches along the diagonal with a 1366 x 768 resolution.
Viewing angles are pretty bad. Max brightness tops out at 233 nits, although contrast ratio is better than a lot of low cost notebooks. The low max brightness means that outdoor use will be an issue, generally speaking for really bright sunlight you'll need something closer to 500 nits to be usable.
Given the price tag however, the Chromebook's display is passable. What's more bothersome is that PC makers were fine shipping this quality of a display in systems that were 2x the price of the new Chromebook.
Keyboard & Trackpad
The new Chromebook retains the chicklet keyboard that its predecessors introduced. Key feel is a little mushier than I would like but overall the keyboard is pretty good. There's obviously no backlight, which again is a concession Samsung had to make to hit the Chromebook's aggressive price point.
As this is a Chrome OS device there's no Windows/Apple key alternative, just oversized control/alt keys which I really do appreciate.
Chrome OS' keyboard shortcuts do mimic those of OS X. Ctrl + W will close a Chrome tab/window, and more universally ctrl + L will shift focus to the omnibar. There's a row of shortcut keys at the top of the keyboard. Shortcuts include brightness and volume controls, page forward/back and refresh keys, as well as dedicated keys for maximizing the current window and switching between windows (although alt+tab still works for that as well). There's no capslock key, but a dedicated search key in its place. Perhaps Google doesn't want Chromebook users to contribute to overly capitalized YouTube comments.
None of these aspects of the keyboard are new, they've been around since the first Chromebook. There are no dedicated page up/down, home or end keys unfortunately (although alt + up/down will work as a page up/down replacement).
The trackpad is the weaker of the two input devices on the new Chromebook, and even it isn't all that bad. Tracking accuracy is good, and I never had any unintentional taps. The trackpad is actually a clickpad with no discrete buttons. Two fingers on the clickpad will trigger a right click (a two finger tap and click both work). Two finger scrolling is also supported, although there aren't any other gestures. My biggest problem with the trackpad is its click + drag performance isn't all that good. Compared to some of the garbage that has shipped in much more expensive PC notebooks (and Ultrabooks for that matter), Samsung did a good job with the Chromebook.
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jeffkro - Wednesday, October 31, 2012 - link
Krait, might loose out to this A15 in all out performance but it is pretty great for battery life especially on LTE phones.Krysto - Thursday, November 1, 2012 - link
LTE has nothing to do with the chip. Those quad core S4 Pro's aren't even integrated with LTE yet. Latest LTE efficiency comes from the fact that it's made at 28nm, not at 45nm - the LTE chip itself that is.tipoo - Wednesday, October 31, 2012 - link
Impressive that the A15 beats Atom across the board, and draws significantly less power doing that. Complete leapfrog.eddman - Wednesday, October 31, 2012 - link
Not a valid comparison IMO when it comes to power consumption. That's an old 45nm Atom. Clover trail will do much better, thanks to the 32nm process and its new S0ix power states.tipoo - Wednesday, October 31, 2012 - link
Fair enough, but the performance per clock won't go up significantly until Silvermont.silverblue - Wednesday, October 31, 2012 - link
Still, the current Atom and Brazos are only mild updates (if that). The E2-1800 in HP's dm1 gets 547 in Sunspider, so clock-for-clock, Brazos 2.0 is ahead on this single test. However, the power consumption must be signicantly more. Still, slightly different markets.I would very much like to see the next Atom plus AMD's Jaguar; reduced power and better performance could make for a decent A15 competitor.
lmcd - Thursday, November 1, 2012 - link
Supposedly these were the leaky chips, so we could have a similar story in Samsung's favor.Krysto - Thursday, November 1, 2012 - link
Brazos has a much higher TDP though. Was it 10W for CPU and another 8 for the GPU? It's crazy.Krysto - Thursday, November 1, 2012 - link
Clover Trail is not a mobile chip. Only Medfield is, and they don't even have a dual core version yet. You will never see Clover Trail in smartphones (yet you will see Cortex A15), and the only reason you will see them in Windows 8 tablets is because Medfield would be too slow with Windows 8, and Clover Trail is more powerful, but also uses much more power, and they are willing to compromise on that, while lying through their teeth that it will get 8-9h of battery life. It will get nowhere close to that.wsw1982 - Thursday, November 1, 2012 - link
the clover trail is about 3.5+ w tdp according to some review. the samsung a15 is a 6+w soc. what make you think a 3.5 w soc cannot go to mobile, but a 6+w soc can?