OnePlus
OnePlus 2

Palm
Palm Pre

Features
Accelerometer, gyro, proximity, compass, - ANT+
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Accelerometer, - Wireless charging, WAP 2.0 / HTML
Memory
No, 16/64 GB, 3 GB RAM
No, 16 GB, 3 GB RAM, 64 GB, 4 GB RAM
No, 8 GB, 256 MB RAM
Display
Corning Gorilla Glass 3, 1080 x 1920 pixels, 16:9 ratio (~401 ppi density), LTPS IPS LCD capacitive touchscreen, 16M colors, 5.5 inches, 83.4 cm2 (~71.9% screen-to-body ratio), - CyanogenMod 13, - Oxygen 2.1.4
Corning Gorilla Glass 3, 1080 x 1920 pixels, 16:9 ratio (~401 ppi density), LTPS IPS LCD capacitive touchscreen, 16M colors, 5.5 inches, 83.4 cm2 (~73.3% screen-to-body ratio)
320 x 480 pixels, 3:2 ratio (~186 ppi density), TFT capacitive touchscreen, 16M colors, 3.1 inches, 28.6 cm2 (~47.9% screen-to-body ratio)
Battery
Non-removable Li-Po 3100 mAh battery
Non-removable Li-Po 3300 mAh battery
Up to 5 h, Removable Li-Ion 1150 mAh battery, Up to 300 h
Main Camera
2160p@30fps, 2160p(DCI)@24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec., Dual-LED flash, panorama, HDR, 13 MP, f/2.0, 1/3", 1.12µm, AF
2160p@30fps, 2160p(DCI)@24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec., Dual-LED flash, panorama, HDR, 13 MP, f/2.0, 1/2.6", 1.3µm, OIS, laser AF
No, LED flash, 3.15 MP