Asus Zenfone Zoom is powered with a quad-core 2.5 GHz Intel Atom Z3590 processor, the 5.5-inch phone costs $399 unlocked with 64GB internal storage. The smartphone is having 4GB RAM count, Full HD screen, and 3,000 mAh battery. Moreover, phone is having 13 MP rear camera with 3 x optical zoom and 12x digital zoom and 5 MP front camera.
With these kind of specs we think the smartphone is quite affordable. It is available in US through B&H website for $399.