Newegg offers the 1.4-lb. Huawei MateBook Intel Skylake Core m5 1.1GHz 12" Touch Laptop Tablet in Champagne Gold, model no. HZ-W19, for $649 with free shipping. That's $550 off list and the lowest total price we could find. It features an Intel Core m5-6Y54 1.1GHz Skylake dual-core processor, 12" 2160x1440 (1440p) IPS touchscreen, 8GB RAM, 512GB SSD, 802.11ac wireless, Bluetooth 4.1, and Windows 10 Home 64-bit. Deal ends February 25.
Note that a keyboard is not included.