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Amazfit Cheetah 2 Ultra vs Coros VERTIX 2S

Physical
Case diameter
Case thickness
Weight 87 g
Case material
Bezel material Titanium
Lens / crystal
Strap material Silicone / Nylon
Strap width
Colors available
Water resistance 100 m
Military standard
Display
Display type LCD
Display diagonal 35.56 mm
Resolution width 280 px
Resolution height 280 px
Touchscreen Yes Yes
Always-on display Yes No
Max brightness
Battery
Smartwatch mode
GPS-only mode
All-systems GPS mode 73 h
Max battery saver mode
Charging type
Solar charging No No
Wireless charging No No
Positioning
GNSS systems GPS, GLONASS, Galileo, BeiDou, QZSS
Multi-band / dual-frequency Yes Yes
Offline maps Yes Yes
Built-in maps Yes No
Turn-by-turn navigation Yes No
Sensors
Optical heart rate Yes Yes
ECG No Yes
SpO2 / pulse oximeter No Yes
Skin temperature Yes No
Accelerometer No No
Gyroscope No No
Compass No Yes
Barometric altimeter Yes Yes
Ambient thermometer No No
Microphone No No
Speaker Yes No
Connectivity
Bluetooth No No
Wi-Fi Yes Yes
NFC payments No No
Cellular / LTE No No
ANT+ No No
Music storage No Yes
Third-party apps No No
Satellite communication No No
Health & Fitness
Sleep tracking Yes Yes
Stress tracking Yes No
HRV tracking Yes Yes
Training load Yes Yes
Training readiness / recovery Yes No
VO2 max estimate No Yes
Running dynamics No No
Body battery / energy score No No
Menstrual cycle tracking Yes No
Fall / incident detection No No
Guided workouts No No
Multisport / triathlon mode Yes No
Software
Operating system
Companion app
Voice assistant
Contactless payments No No