Lenovo Vibe X3 is currently spotted passing through TENAA after it was spotted on Geekbench last month. It will be the successor to last year launched Vibe X2 phone. Earlier at IFA 2015 Lenovo announced Vibe P1 and S1, so Vibe X3 will be launching in coming weeks.Lenovo Vibe X3

In terms of technical specifications the Lenovo Vibe X3 will go up against like of OnePlus 2 with similar specifications, powered with Hexa core Snapdragon 808 processor with 3 Gigs of RAM and Android 5.1.1 Lollipop out of box.

We have impressive set of camera on the device - 21 mega pixel on the rear side and 8 mega pixel on the front.

Lenovo Vibe X3 Specifications

Display: 5.5-inch 1080x1920 touchscreen display
SoC:1.8 GHz Hexa Core Snapdragon 808 processor
GPU: Adreno 418
Software: Android 5.1.1 Lollipop OS
Dual SIM: Yes
Main Camera: 21 MP rear camera with LED Flash
Front Camera: 8 MP front facing camera
Storage: 16 GB Internal + Micro SD card slot support up to 32 GB
Connectivity: 4G LTE, 3G HSPA, Bluetooth, WiFi tether, WiFi
aGPS, FM Radio, 3.5 mm audio jack

It's said to be launching in China only and plan for announcement is scheduled for October.