After being the subject of several leaks, the Samsung Galaxy Book 4 series of Windows 11 ultrabooks is now official: there are new Meteor Lake processors, upgraded displays, and of course some extra artificial intelligence features built in, to take on the best MacBooks.Starting with the top end, 16-inch Galaxy Book 4 Ultra, the 400-nit, 120Hz AMOLED touchscreen runs at a resolution of 2880 x 1800 pixels. You’ve got a choice of Intel Core Ultra 9 or Core Ultra
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