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Message: <blockquote data-quote="aragon" data-source="post: 6186086" data-attributes="member: 134516"> Opera 10.5 Pre-Alpha beats all other browsers <img src="http://images.betanews.com/media/4223.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> In initial Betanews tests involving our Comprehensive Relative Performance Index suite on the Windows 7 platform today, this incomplete rendering of a browser -- the latest version of a model that was in danger of becoming only half as fast as Mozilla Firefox -- blew right past not only Firefox but Apple Safari as well. And yes, it beat Google's fastest Chrome development build browser, by a score that's something more like a touchdown than a field goal. On our physical test machine running Windows 7, the Opera 10.5 pre-alpha scored a 24.52, meaning it delivered about 24-and-one-half times the overall JavaScript, rendering, and computational performance of Microsoft Internet Explorer 7 running in Windows Vista (the slowest browser on the slowest platform we test, which we index at 1.00). <img src="http://i50.tinypic.com/2cmudk0.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Let's put that number into perspective: Right now, the latest stable build of Opera 10.1 scores a 6.83 on the same complete test suite -- 70 data points from 10 different benchmark batteries. The latest development build of Opera 10.2 actually trends downward, at 5.85. But those builds are using libraries that Opera Software apparently now publicly acknowledges to be obsolete. The latest stable Chrome browser, by comparison, scores a 22.32 in Windows 7; the fastest development build from Google is on the beta track (not the dev track), build 249.43, which scores 22.52 -- an extremely impressive score, and a sign that Google is maintaining a positive trend. But the Opera test build bested all of Chrome's scores...and it did so while performing relatively poorly in the rendering department. This is the truly scary part: Opera Software is developing a new browser chassis, which so far looks very attractive under Windows 7. It's leaner, but it's not too minimalistic, and it certainly pronounces its manufacturer boldly with a big red "O." The rendering engine under that chassis is not quite finished, rendering ordinary <TABLE> elements, for example, with only half the speed of stable Opera 10.1. If the first official alpha of Opera 10.5 is able to fix these deficiencies even to the point where it performs on a par with its current stable build, then the new browser's overall performance interval over Chrome could end up being less like a touchdown, and more like a rout. Google, Apple, and Mozilla have reason for genuine fear at this point, as the company that first made browser performance a real issue, is about to make it an issue again. The incomplete Opera 10.5 -- were it to be a full-scale browser -- would be the absolute champion of the SunSpider JavaScript test, blowing by the Chrome 4 beta with a score of 65.66 (total time expended: 598.4 ms on our test system). By comparison, Opera 10.1 scores a 7.75 (4685.8 ms). This morning, Opera's Roberto Mateu claimed the pre-alpha was seven times faster than stable Opera 10.1 in the SunSpider. If Mr. Spock were here, he'd offer a correction: In our tests, the pre-alpha build was 783% faster -- nearly eight times. For comparison purposes, the latest Chrome 4 beta scores a 59.45 in the SunSpider test on Windows 7; and the latest WebKit daily build applied to Safari 4 (which we can now declare a safe and reliable build for performance testing) scorea a 58.67 in SunSpider on Win7. The SunSpider test was developed by WebKit contributors.                Source:     Code:   <a href="http://www.betanews.com/article/The-once-and-future-king-Test-build-of-Opera-crushes-Chrome-on-Windows-7/1261519843" target="_blank">http://www.betanews.com/article/The-once-and-future-king-Test-build-of-Opera-crushes-Chrome-on-Windows-7/1261519843</a></blockquote>

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