Apple Watch Ultra 3 49mm vs Sonim XP Pro Thermal

64GB

256GB

Up to 2,000GB

microSD™

8GB

26

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

14 

Subject to change based on future operating system updates.

Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n38, n40, n41, n53, n66, n71

Bands n1, n2, n3, n5, n7, n8, n14, n20, n25, n26, n28, n30, n38, n40, n41, n48, n66, n70, n71, n75, n77, n78

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 53, 66, 71

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71

850, 1700/2100, 1900, 2100MHz

850/900/1700/1900/2100MHz

Required to use smartwatch over cellular; rate plan required

Wi-Fi 4 (802.11n)

Wi-Fi 6E (802.11ax)

v5.3

v5.3 + EDR, A2DP, HS, LE, aptX®

Electronic SIM

Dual SIM with Physical SIM first

n77 C-Band, n77 3.45GHz

Yes

Yes

Yes

Yes

2.4GHz & 5GHz & 6GHz

Open, Secure

Up to 10 devices

Yes

Yes

Yes

Fluence AI

Yes

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

Siren, Backtrack, Fall Detection, Emergency SOS and Crash Detection.

Set workout-specific goals, see full summaries when you're done, and track how you're trending over time.

Generates an ECG similar to a single-lead electrocardiogram.

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

Electrical heart sensor

Third-generation optical heart sensor

Blood oxygen sensor

Temperature sensor

Depth gauge

Water temperature sensor

Compass

Always-on altimeter

High-g accelerometer

High dynamic range gyroscope

Ambient light sensor

Accelerometer, Ambient Light, Barometer, Compass, Fingerprint, Gyroscope, Proximity

Yes

Yes

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

With Google Messages, Rich Communication Services (RCS) messaging offers larger file transfers and group messages with other RCS-capable devices. See when messages are delivered, read and when others are typing a response.

POP3, IMAP4, SMTP, Microsoft® Exchange ActiveSync®

Yes

Apple Music®

YouTube Music

FLAC, MP3, M4A, OGG, AAC, SBC, LDAC

Via lockscreen, headset

50 MP standard angle lens with ƒ/1.8 Thermal FLIR Lepton 3.5

Up to 1080p/60fps

Up to 4K30 for H.264/H.265/VP9

16 MP normal lens with ƒ/2.0

Thermal camera

Touch shot, self timer, shutter sound

Yes

This device is hearing aid compatible. Conversational gain with hearing aid: 6.0 db Conversational gain without hearing aid: 10.9 db

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

1/3

1/1

2/2

9/10

17/20 (4-star) Please visit att.com/ecospace for additional information.