Despite being launched only a few months ago, the Surface Pro 2 has quietly received a processor upgrade, WinBeta reports. Following the unsuccessful December 2013 software update that Microsoft was forced to put on hold until after the holidays, some new Surface Pro 2 buyers decided to have their now-faulty devices replaced with a new device and discovered the CPU upgrade in the process.

“I returned my Surface Pro 2 (v. 256GB) because of the poor performance after the failed 12.10.13 firmware update,” one user wrote on Microsoft’s forum. “I recall the SP2 I returned having a [1.6GHz] i5 4200U processor. To my surprise, when I checked the System Properties in the Control Panel on my replacement SP2, the processor was upgraded to a i5 4300U @ 1.9Ghz. – 2.5 GHz.”

Microsoft has confirmed the processor update, without explaining why it decided to upgrade it.

“Microsoft routinely makes small changes to internal components over the lifetime of a product, based on numerous factors including supply chain partnerships, availability, and value for our customers,” a Microsoft spokesperson told the publication. “With any change to hardware or software, we work to ensure that the product experience remains excellent.”

Screen capture showing the Surface Pro 2 processor upgrade | Image credit: CNET

The refreshed Surface Pro 2 model should be available in retail stores as well, The Verge has learned, which means new tablet buyers will get the faster Intel processor. The Surface Pro 2 and Surface 2 have been sold out ahead of the holidays with multiple retailers, although it’s not clear whether the processor change had anything to do with the lower Surface inventory these holidays.

Chris Smith started writing about gadgets as a hobby, and before he knew it he was sharing his views on tech stuff with readers around the world. Whenever he's not writing about gadgets he miserably fails to stay away from them, although he desperately tries. But that's not necessarily a bad thing.