OnePlus is known for adding up a lot of flagship-phone features while subtracting the flagship-phone price, and the 6's specs don't disappoint:

6.28” Samsung-made AMOLED display with 2280 x 1080 resolution (402 ppi) and 2.5D Gorilla Glass 5

Octa-core, 64-bit Qualcomm Snapdragon 845 processor with 6 GB or 8 GB LPDDR4X RAM

Dual main camera with 16 MP (ƒ/1.7 with OIS) and 20 MP (ƒ/1.7) modules; 16 MP (ƒ/2.0) selfie camera

64 GB, 128 GB, or 256 GB built-in storage

USB Type-C and 3.5 mm audio ports

OxygenOS based on Android Oreo 8.1