The Xperia X and Xperia X Performance are the first devices to come under the new X series and will become available very soon.

The Xperia X and Xperia X Performance are both 5" 1080p devices with 23MP rear snappers, 13MP selfie shooters, fingerprint scanners, and Android Marshmallow. The Xperia X runs on Snapdragon 650 chipset with 3GB RAM, while the Xperia X Performance utilizes Snapdragon 820 chipset with 3GB of RAM and adds waterproofing to the mix.

Sony is going to launch dual-SIM options of both Xperia X and Xperia X Performance. The white papers of the devices have been recently uploaded on Sony's Dev Portal, and we found some interesting info inside.

Apparently both Xperia X and Xperia X Performance will feature 64GB internal storage, double the amount of their single-SIM flavors. The firmware will occupy about 15.4GB of those, and 48.6GB will be available for your apps, multimedia, and files.

The Dual SIM versions of the Xperia X and Xperia X Performance will accept nano-SIM cards only.

Thank you, Ibrahim Gnono, for the tip!

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