Should you be waiting for Sony to launch the Xperia X Performance or Xperia XA in the U.S., you're in luck as the two handsets are now available for purchase at participating retailers. Amazon, Best Buy, and Regan Wireless are among the supporting partners who will stock the new Sony hardware in the U.S.
As an added bonus, both smartphones come with a free microSD card. The Xperia XA has a MediaTek Helio P10 processor, an octa-core chip using ARM's low-power Cortex-A53 cores. It's also packing 2GB of RAM, 16GB of internal storage, 2,300mAh battery, and a 13-MP rear shooter. As for the X Performance, Sony has packed in a Snapdragon 820, 3GB of RAM, 32GB of internal storage, 23-MP rear camera, and a 2700mAh battery.
Here are the Amazon links for both the Sony Xperia X Performance and Xperia XA to get you started: