3. ASUS ZENFONE 2 (4GB RAM)

Although ASUS Zenfone 2 is not a new model this year, it’s still a hot item we need to mention when 4GB RAM smartphone topic is raised. Obviously it has many things to become a great gaming device: 5.5-inch Full HD screen, Asus ZenUI based on Android 5.0 Lollipop OS (upgradable to Android 6.0 Marshmallow soon), Intel Atom Z3580 2.3GHz quad-core chip, 16/32/64GB (expandable up to 128GB), 4GB RAM, and a 3,000mAh batt. One more important point about it is that 4GB RAM ASUS ZenFone 2 price is very affordable – just around $300.

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