Compare devices

64GB

32GB

2GB

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

Yes

9

Subject to change based on future operating system updates

Powered by Samsung 5.0

Subject to change based on future operating system updates

Required to use smartwatch over cellular; rate plan required

Yes

802.11b/g/n

Wi-Fi 4 (802.11n)

2.4GHz and 5GHz

2.4GHz & 5GHz

Open, Secure

5.3

v5.3 + EDR, A2DP, HS, LE, aptX®

Electronic SIM

eSim

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

Bands 2, 4, 5, 12, 13, 14, 25, 26, 66, 71

850/1700/1900/2100MHz

850/900/1700/1900/2100MHz

Yes

Yes

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

Improved Workout app with new metrics, new views, and advanced ways to train.

Electrical heart sensor and ECG app

Third-generation optical heart sensor

High and low heart rate notifications

Sleep stages

Compass

Always-on altimeter

High-g accelerometer

Up to 256 g-forces with Fall Detection and Crash Detection

High dynamic range gyroscope

Ambient light sensor

Accelerometer, Ambient light, Barometer, Gyroscope, Heart rate, Temperature

Yes

Yes

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

Microsoft Outook

Apple Music®

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