Samsung Galaxy Watch Ultra (2025) vs Samsung Galaxy Watch6 Classic 43mm

32GB | 64GB

Up to 16GB

2GB

2GB

Powered by Samsung 5.0

Subject to change based on future operating system updates

Powered by Samsung 4

Yes

Yes

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

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

850/900/1700/1900/2100MHz

850/900/1700/2100/1900/2100MHz

Yes

Yes

Yes

Yes

Wi-Fi 4 (802.11n)

802.11a/b/g/n

2.4GHz & 5GHz

2.4GHz & 5.0GHz

Open, Secure

Open, Secure

v5.3 + EDR, A2DP, HS, LE, aptX®

v5.3 + EDR, A2DP, HS, LE, aptX®

eSim

eSim

Yes

Yes

Yes

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

Accelerometer, Ambient light, Analysis, Barometer, Bioelectrical, ECG, Geomagnetic, Gyroscope, Heart rate, 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

Microsoft Outlook

Music

Samsung 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.

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

2/3

1/1

1/1

2/2

2/2

10/10

10/10