Apple Watch Series 8 45mm vs Samsung Galaxy Watch Ultra (2025)

32GB

32GB | 64GB

2GB

9

Subject to change based on future operating system updates

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

Yes

Powered by Samsung 5.0

Subject to change based on future operating system updates

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

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

v5.0

v5.3 + EDR, A2DP, HS, LE, aptX®

Electronic SIM

eSim

Yes

Open, Secure

Yes

Yes

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

Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone.

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

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

Yes

This device is not hearing aid compatible.

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