Sonim XP Pro Thermal vs Apple Watch Ultra 3 49mm

Qualcomm® Snapdragon® 7 Gen 3, SM7550

S10 chip with 64-bit dual-core processor

Octa-core, 1@2.63Ghz, 3@2.4Ghz, 4@1.8Ghz

S10 chip with 64-bit dual-core processor

4-core Neural Engine

256GB

64GB

Up to 2,000GB

microSD™

8GB

14 

Subject to change based on future operating system updates.

Yes

Ask Siri to set a reminder, send an invitation, or give you directions, all without your phone.

26

Subject to change based on future operating system updates

n77 C-Band, n77 3.45GHz

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

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

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

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

850/900/1700/1900/2100MHz

850, 1700/2100, 1900, 2100MHz

Yes

Yes

Yes

Yes

Wi-Fi 6E (802.11ax)

Wi-Fi 4 (802.11n)

2.4GHz & 5GHz & 6GHz

Open, Secure

v5.3 + EDR, A2DP, HS, LE, aptX®

v5.3

Up to 10 devices

Yes

Yes

Yes

Fluence AI

Dual SIM with Physical SIM first

Electronic SIM

Yes

Required to use smartwatch over cellular; rate plan required

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

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

Yes

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

Yes

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

YouTube Music

Apple Music®

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

Via lockscreen, headset

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.

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.