Samsung Galaxy Watch Ultra (2025) vs Samsung Galaxy Watch8 44mm

32GB | 64GB

32GB

2GB

2GB

Powered by Samsung 5.0

Subject to change based on future operating system updates

6.0

Subject to change based on future operating system updates.

Yes

Yes

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

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71

850/900/1700/1900/2100MHz

850, 900, 1900, 2100, 1700/2100

Yes

Yes

Yes

Yes

Wi-Fi 4 (802.11n)

Wi-Fi 4 (802.11n)

2.4GHz & 5GHz

2.4GHz & 5GHz

Open, Secure

Open, Secure

v5.3 + EDR, A2DP, HS, LE, aptX®

v5.3 + EDR, A2DP, HS, LE, aptX®

eSim

eSim

Yes

Yes

Yes

Yes

Yes

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

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

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

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

Microsoft Outook

Outlook

Music

Music

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

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

Yes

Yes

This device is not hearing aid compatible.

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)

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

4/4

2/3

3/3

1/1

1/1

2/2

2/2

10/10

10/10

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