There are two versions of Internet Explorer 10 in Windows 8—a Metro app and a desktop app. Both share the same rendering engine and, unsurprisingly, perform identically on the same hardware. The only difference is UI, and the fact that Metro’s IE will not run plug-ins like Adobe Flash or Microsoft’s own Silverlight.

To reflect the distinction between the Metro version of IE and the desktop version, both Metro and the desktop retain separate default browser settings—you can run Firefox or Chrome as your default browser on the desktop and stick with IE in Metro, but you can also specify desktop browsers as the default Metro browser, meaning that links clicked in Metro apps like Mail will dump you to the desktop to open rather than stay in the Metro interface. Oddly, if you decide not to use IE as your default Metro browser, the IE completely disappears from Metro, and it takes a trip into the desktop Internet Settings control panel to re-enable it.

The Metro version of IE is a minimalist, touch-centric affair—the address bar is located at the bottom of the screen, and will disappear from view when it’s not being used. While typing in the address bar, IE will display a tiled list of your most frequently visited sites, as well as sites that you have “pinned” using the address bar’s pin button—these pinned sites will also show up on the Start screen. The address bar also has the requisite Back, Forward, and Refresh buttons, as well as a Tools button that will let you search the current page or open the page in the desktop version of IE (the desktop version contains no such button to open pages in Metro mode, at least for now).

The most consistent way to bring up the address bar on a PC is by using the Windows + Z keyboard shortcut that we discussed earlier, which will also bring up Metro IE’s tab interface, which displays big, clickable thumbnails of all your open tabs. You can also open new tabs, clean up your tabs (which closes all but the active tab), or open a new InPrivate browsing tab, which is clearly marked with a blue “InPrivate” icon.

The desktop version of IE looks more or less like IE9, though of course the UI hasn’t necessarily been finalized at this point. One of the only noticeable differences is the presence of a Metro-style scrollbar on pages that require one. Also new is an “Install new versions automatically” checkbox in the About Internet Explorer page, reinforcing Microsoft’s desire to get and keep Windows users on the most current IE version their operating system supports. There’s no evidence that Microsoft plans to move to the rapid-release cycle that Google and Mozilla have both adopted (such a decision would give enterprise IT managers apoplexy), but this sort of functionality would theoretically make it possible.

Benchmarks

Now, let’s peek under the hood and get a few performance numbers. According to these basic tests, IE10 is faster than IE9 by a noticeable margin, but it can’t quite catch up to the current versions of Firefox or Chrome. These benchmarks were all run on the Dell Latitude E6410 that served as my main Windows 8 machine for this review.

Kraken JavaScript Benchmark 1.1

v8 JavaScript Benchmark v6

Interestingly, all browsers performed the v8 benchmark slightly faster in Windows 8. The difference isn’t huge—just a few hundred points in both cases—but it is both consistent and measureable, and I thought it interesting that the OS update slightly improved the performance of these third-party programs. Kraken scores were consistent across Windows 7 and Windows 8.

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  • Andrew.a.cunningham - Friday, March 9, 2012 - link

    ..."Apples IPAD is the reason for sparking the tablet market to what it is today..."

    Bingo.
  • medi01 - Monday, March 12, 2012 - link

    No bingo. Just price drop on major components. If not Apple it would have been someone else. Just less hyped. Netbook is a good instance of it.

    Oh, and for anyone who had intensively used pocket PCs, transition to "add a phone to it" was more then obivous too.
  • kmmatney - Friday, March 9, 2012 - link

    Plain and simple - none of those tablets mattered. A co-worker of mine had a Toshiba "tablet" PC back in 2003, running Windows XP. It was just a laptop computer where you could flip the screen around and then you could use a stylus to jot down notes. However it was always easier just to type the notes in, so it was used as a normal laptop 99% of the time. There were very few apps that made use of the tablet capability. I just can't call this device a true tablet, like the iPad. The tablet market didn't really exists until APple put everything together into a package specifically designed for 100% tablet usage.
  • ananduser - Friday, March 9, 2012 - link

    Which unfortunately happened to be an enlarged smartphone.
  • bji - Friday, March 9, 2012 - link

    What's unfortunate about it? People love the device and its precedent (iPhone) led the way.
  • PopinFRESH007 - Sunday, April 15, 2012 - link

    I might have missed it but I don't think anyone said Apple invented tablet computers. As you noted, Apple was certainly the only one who was able to create a tablet market. Those old convertible hinge laptops that Microsoft called Tablet PC's back in the day were garbage and nothing ever happened with them. I don't even remember them lasting on the market for more than a year. Because it was another example of Microsoft cramming a point & click interface into a hand held device. Microsoft can't seem to learn that different form factors and interaction methods won't all work ok with the same UI.
  • kevith - Friday, March 9, 2012 - link

    I really like Win 8.

    The Metro-thing is a very good replacement for the - apparently - beloved Start Menu. Fast and versatile, with the very nice writing-instantly-invokes-search feature. The app-drawer and the "charms", in combination with keystrokes make a very powerful and very fast UI.

    The desktop is almost the same, only a few things have changed, all for the better.

    I liked Win 7 immidiately, the same goes for 8.

    I´m excited to see the final result.
  • Andrew.a.cunningham - Friday, March 9, 2012 - link

    It's interesting, because my initial reaction to Metro was much more negative, but after a week and a half of near-constant usage I took a liking to it. I definitely understand why people object to it, but I think too many people aren't making an honest effort to use the UI and evaluate it on its own merits/demerits.
  • faizoff - Friday, March 9, 2012 - link

    Yea very similar reaction for me as well. I didn't like it at first but now find that I'm using it a lot.
  • emalamisura - Friday, March 9, 2012 - link

    I have been using Windows 8 as my primary desktop since its release, I am a developer and I have a triple monitor setup at home and I have to say it has had the opposite effect for me. I was excited about it at first, and now I have grown to absolutely hate it and despise it. The main things for me are the primary things you mentioned, the little popup box where start menu use to be dissapears when I try to click it - gets me every time, just cant adjust to it. The charms bar is very difficult to hit, often going to other screen, when I do get it, I often scroll off of it by accident and it vanishes again. I have attempted to use the Windows key more often, but I feel like I am being forced into this situation.

    Most of the time I avoid using Metro as much as possible, its actually quite useless to me, I go into it and pin as many applications to my task bar as possible so I can avoid going into it at all to launch something. The wierd way that the Desktop shows on my left and right monitors and metro in my primary, and when I try to keep metro up and use a Desktop app it vanishes to an empty desktop is just very wierd to me and not helpful at all! I at least wish I could snap Metro apps onto my other monitors, make it more useful to me...

    Microsoft claims "Desktop is just another app", its a bold statement that falls short at every turn. You get dropped into Desktop for doing anything remotely technical, want to change monitor configuration Desktop, want to browse a drive Desktop...etc.

    Whats funny is I love Metro by itself, I love all the changes they have done to desktop as well. But when you combine these two things that have no business being together you get this Frankenstain amalgamation that just simply doesn't work, and I don't see how it will ever work! Maybe they can prove me wrong, I hope they do...

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