Microsoft is building a 7-in. mini Surface tablet focused on gaming, possibly called the Xbox Surface, according to various reports.

The device would likely run a custom ARM processor with fast RAM for gaming or possibly an Intel System on a Chip, according to The Verge on Tuesday. The Verge quoted multiple sources familiar with Microsoft's plans.

Microsoft officially announced its Surface RT running on an ARM chip on Oct. 25, with a starting price of $499 for a 32 GB version. It has a 10.6-in display with 1366 x 768 pixel resolution.

The Xbox Surface would not run a full version of Windows, but would support messaging and some other tablet functions, according to reports.

Microsoft declined to comment on the reports.

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