- Aluminum available in silver and space gray
- GPS/GNSS
- Compass
- Always-on altimeter
- Water resistant 50 meters3
- Blood oxygen sensor (Blood Oxygen app)1
- Electrical heart sensor (ECG app)2
- Second-generation optical heart sensor
- International emergency calling4
- Emergency SOS5
- Accelerometer up to 32 g-forces with fall detection
- Gyroscope
- Ambient light sensor
- Speaker 50 percent louder
- Microphone (enables Noise app)
- Apple Pay
- Gym Kit
- Capacity 32GB
- Ceramic and sapphire crystal back
- 44mm (368 by 448 pixels, 977 sq. mm display area)
- 40mm (324 by 394 pixels, 759 sq. mm display area)
- Always-On Retina LTPO OLED display (1000 nits brightness)
- Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel and titanium cases
- S6 Sip with 64-bit dual-core processor up to 20 percent faster than S5
- W3 Apple wireless chip
- U1 chip (Ultra Wideband)
- LTE and UMTS6
- Learn more about available carriers
- Wi-Fi (802.11b/g/n 2.4GHz and 5GHz) Bluetooth 5.0 Built-in rechargeable lithium-ion battery up to 18 hours7 Magnetic charging cable