The Xiaomi Mi Pad 4 is the only tablet with a Snapdragon 660 processor. It is also the cheapest device powered by a Snapdragon 660 as it has a starting price of just ¥1099 (~$160). Xiaomi has announced a price cut for the Mi 6X which is also powered by the same chipset. All though it isn’t as cheap as the Mi Pad 4, it makes it one of the cheapest Snapdragon 660 phones on the market.
The 4GB RAM + 32GB variant of the Mi 6X is now priced at ¥1199 (~$175), ¥300 (~$43) down from its original price. However, the price cut is limited to the Cherry Powder and Champagne Gold variants, though the latter color variant isn’t in stock at the moment.
Xiaomi is also selling the Mi 8 (6GB RAM + 64GB) and Mi 8 SE (6GB RAM + 64GB) for ¥100 less bringing their prices to ¥2599 (~$380) and ¥1899 (~$278) respectively. The price reduction is for today only, so you may want to hurry and grab a unit.
All three phones can be purchased on the official Mi online store.