The X50 416MHz, which has a 3.5-inch, 320x240 pixel LCD screen, a 416MHz processor, 64MB of RAM, 64MB of Flash ROM, Compact Flash and SDIO expansion card slots, and Bluetooth.
The X50 520MHz, which has a 3.5-inch, 320x240 pixel LCD screen, a 520MHz processor, 64MB of RAM, 128MB of Flash ROM, Compact Flash and SDIO expansion card slots, 802.11b WiFi, and Bluetooth.
Finally, a few more specs are detailed in the hope of enticing tech-minded shoppers, with reference to a Snapdragon S4 processor, a 1, 800mAh battery and a 356 pixel density that tallies with what we've already seen of the 4.2-inch 720p screen.