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After an ominously protracted silence, Microsoft has finally revealed more details about the Windows RT (Windows 8 on ARM) development cycle, which OEMs are on board, and what kind of size/weight/battery life we can expect.
Until today, the only confirmed Windows RT devices were the Asus Tablet 600 and Microsoft’s own-brand Surface RT. Microsoft has now confirmed that Dell, Lenovo, and Samsung are also building Windows RT devices, with the obvious omissions being HP, Toshiba, and Acer. HP and Acer had already signaled their distaste for Microsoft’s move into the hardware business, and we can only assume that Toshiba has now joined their disgruntled ranks.
Though we don’t have any model names or launch dates, we do have are some basic, generalized specifications for Windows RT devices — and yes, according to Microsoft, there will be Windows RT clamshell laptops, as well as tablets and detachable-keyboard transformers. All devices will have a diagonal screen size between 10.1 and 11.6 inches, weigh between 520g and 1200g, and be between 8.35mm and 15mm thick. On the low end, 520g and 8.35mm would be considerably thinner and lighter than the iPad 2/3 and Galaxy Tab 10.1. Presumably the 1200g/15mm form factor is a laptop.
On the battery such as Hp Pavilion ZV5000 battery (Hp zv5000 battery ), Hp Pavilion ZV6000 battery (Hp zv6000 battery ), Hp Pavilion DV1000 battery (Hp dv1000 battery ), Hp PF723A battery , Hp PM579A battery , Hp Pavilion DV4000 battery (Hp dv4000 battery ) life side of things, the incoming Windows RT devices have battery capacities ranging from 25 to 42 watt-hours. These will provide between 8 and 13 hours of HD video playback, and between 320 and 409 hours of connected standby. Connected standby is a new low-power state that allows Windows 8 devices to occasionally connect to the internet and download the latest email/tweets/FB status updates, without significantly hitting battery life. These battery-life figures are in-line with the iPad, which is a good sign.
Microsoft hasn’t only been working with OEMs, though — it seems like significant time has been spent with its low-level silicon partners, too. Intel and AMD, of course, will produce chips that work perfectly with Windows 8 — and Microsoft is now saying that it has successfully produced a single Windows RT binary for Qualcomm, Nvidia, and Texas Instruments ARM SoCs. Surprisingly there’s no mention of Samsung’s Exynos SoCs, despite Samsung being a Windows RT OEM. With certified hardware, and thanks to extensive graphics subsystem overhauls, Microsoft says that the Windows RT UI animations will be locked at 60 fps — smooth.