Google Pixel Watch 4 45mm vs Samsung Galaxy Watch Ultra (2025)

32GB

32GB | 64GB

2GB

2GB

6.0

Subject to change based on future operating system updates.

Yes

Yes

Powered by Samsung 5.0

Subject to change based on future operating system updates

Bands 2, 4, 5, 12, 13, 17, 25, 26, 66, 71

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

Yes

Yes

Yes

Yes

Wi-Fi 5 (802.11ac)

Wi-Fi 4 (802.11n)

2.4GHz & 5GHz

2.4GHz & 5GHz

Open, Secure

Open, Secure

v6.0 + EDR, A2DP, HS, LE

v5.3 + EDR, A2DP, HS, LE, aptX®

Yes

Electronic SIM

eSim

Yes

Yes

850/900/1700/1900/2100MHz

Yes

Accelerometer, Ambient Light, Barometer, Blood oxygen sensor, cEDA, Compass, ECG, Gyroscope, Heat Flux, Multi-path HR Optics, UWB

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)

Microsoft Outook

Google YouTube Music

Music

LFLAC, M4A, MP3, OGG, WMA

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

Via lockscreen

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)

3/4

4/4

2/3

2/3

1/1

1/1

2/2

2/2

7/10

10/10

15/20 (3-star) Please visit att.com/ecospace for additional information.