In fact, Lenovo Vibe K4 Note is very slightly different from Lenovo A7010. In terms of Lenovo Vibe K4 Note specs, it sports Android 5.1 Lollipop OS, 5.5-inch IPS LCD Full HD display, a MediaTek MT6753 octa-core chip, 3GB RAM, and 16GB ROM (expandable up to 128GB). Under the hood, there are a 3,300mAh battery to fuel the handset, 4GB LTE connectivity, and a combo of a 13MP rear with PDAF and a 5MP front snapper to assist in taking photos.