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Exynos W920

S9 SiP with 64-bit dual-core processor

Dual-core, 2 at 1.18GHz

4-core Apple Neural Engine

16GB

64GB

1.5

Yes

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

Wear OS Powered by Samsung

10
Subject to change based on future operating system updates

Yes

Required to use smartwatch over cellular; rate plan required

802.11a/b/g/n

802.11b/g/n

2.4GHz & 5.0GHz

2.4GHz and 5GHz

Open, Secure

v5.0 + EDR, A2DP, HS, LE

5.3

Yes

eSim

Electronic SIM

HSPA+ with enhanced backhaul

Bands 2, 4, 5, and 12

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

850/1900MHz

850/1700/1900/2100MHz

Yes

Accelerometer, Ambient Light, Barometer, Gyroscope, Heart Rate, E-Compass, Magnetometer, ECG

Ambient light, accelerometer, barometric altimeter, built-in GPS, gyroscope, third-generation optical heart rate, electrical heart rate (ECG app),⁸  temperature sensor⁹

Yes

Send and receive text messages from your wrist (messaging charges apply).

Yes

Outlook

Yes

Music

Apple Music®

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

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

Generates an ECG similar to a single-lead electrocardiogram.

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

Siren, Backtrack, Fall Detection,⁶Emergency SOS,⁷ and Crash Detection.

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

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