Samsung Galaxy Watch8 40mm vs Samsung Galaxy Watch Ultra (2025) vs Samsung Galaxy Watch8 Classic

32GB

32GB | 64GB

2GB

2GB

6.0

Subject to change based on future operating system updates.

Powered by Samsung 5.0

Subject to change based on future operating system updates

Yes

Yes

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

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

850, 900, 1900, 2100, 1700/2100

850/900/1700/1900/2100MHz

Yes

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®

Yes

eSim

eSim

Yes

Yes

Yes

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

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

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

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

Outlook

Microsoft Outook

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

3/3

2/3

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