Asus Zenfone ZE500CL (the one on the left) was discovered from Asus Zenfone blog. Accordig to them, the device is powered by 1.6 GHz Intel Atom Z2560 Clover Trail quad-core processor, 2 GB RAM, 16 GB ROM, Android Lollipop 5.0, 8 MP rear camera with flash, 2 MP front camera, 5 inch IPS HD LCD display, has 10.9 mm. thickness, weighs 155 grams, has LTE, single micro sim and 2,500 mAh non-removable battery. They said that the specs are not yet official.
I wonder if this will appear on the upcoming MWC 2015 and better here in our nearest tech shops