I use it every day. At times Xbox Music and Xbox Videos take a little longer than usual to load up or take in a command (e.g. playing media), especially with IE running in the background. Sometimes even IE on Metro will take a little extra time just starting up. Office is not fast enough for me, in any scenario. None of it is insurmountable, but will have a much higher chance of going away through more powerful hardware than further optimization -- optimization/updates can only go so far to make up for a relatively lightweight CPU.Again, are you basing this on actual use? If so, what is causing the lag or slow loading?
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I'm asking out of pure curiosity. I've had my RT a couple of weeks and aside of the "swipe down to close apps" not being as visually smooth as the "click and drag down to close apps" on my laptop and desktop, and my fat fingers not always tapping the right spot for links and buttons, I've experienced no lag or slow loading in any way. I mean, apps don't load as fast as they do on my Boot Camped iMac running Windows 8 or my Toshiba laptop running Windows 8, but those are full-horsepower x64 machines. Could it maybe be incorrect expectations? Or are you experiencing actual, recreate-able, performance issues?
Is there a source for this anywhere? Or is it simple speculation?
As for Snapdragon on Surface, I got it from The Verge: Microsoft planning improved Surface RT with Qualcomm processor | The Verge