Compare devices

16GB

32GB

1.5GB

Yes

Ask Siri to set a reminder, send an invitation, or give you directions, all without your phone.

Powered by Samsung 5.0

Subject to change based on future operating system updates

9

Yes

Required to use smartwatch over cellular; rate plan required

Wi-Fi 4 (802.11n)

802.11b/g/n

2.4GHz & 5GHz

2.4GHz and 5GHz

Open, Secure

v5.3 + EDR, A2DP, HS, LE, aptX®

v5.0

eSim

Electronic SIM

Bands 2, 4, 5, 12, 13, 25, 26, 66, 71

Bands 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66

850/1700/2100/1900MHz

850/1700/1900/2100MHz

Yes

Accelerometer, Ambient light, Barometer, Compass, Gyroscope, Heart rate, Bioelectrical impedance analysis, Geomagnetic

Ambient light, accelerometer, barometric altimeter, built-in GPS, gyroscope, third-generation optical heart rate

Insert pictures, video clips and sound clips easily (messaging charges apply)

Yes

Microsoft Outlook®

Music

Apple Music®

MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB

This device is not hearing aid compatible.

Yes

The AT&T Eco-Rating 2.0 system gives you environmental and social details about this device. The system uses a total of 20 performance criteria across 5 different attributes, for a total rating of 1 to 5 stars: 19-20 (5-star), 16-18 (4-star), 13-15 (3-star), 10-12 (2-star), 8-9 (1-star)

4/4

2/3

1/1

2/2

10/10

19/20 (5-star) Please visit www.att.com/ecospace for additional information

Set workout-specific goals, see full summaries when you're done, and track how you're trending over time.

Keep tabs on your resting, walking, and workout recovery heart rate.

Track a casual walk, an intense ride, and everything in between.