AMD has no replacement planned for the aging Geode low-power chip, creating uncertainty for its use in products like future XO laptops made by One Laptop Per Child. Comments by AMD executives end speculation about the future of Geode, an integrated chip used in netbooks like OLPC’s XO laptop, ultramobile PCs and devices like set-top boxes.
AMD Sempron^a"c 200U and 210U
http://www.amd.com/us-en/assets/content_type/DownloadableAssets/456…
while it is about double the power consumption, that still only puts it at about 10+ wats, and thats not that bad.