Samsung Galaxy S25 Ultra vs Apple Watch SE 3 40mm

Qualcomm® Snapdragon® 8 Elite for Galaxy

S10 chip with 64-bit dual core processor

Octa-core, 2 @4.47GHz and 6 @3.5GHz

S10 chip with 64-bit dual core processor

4-core Neural Engine

256GB | 512GB

64GB

12GB

15

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, n260

Bands n1, n2, n3, n5, n7, n8, n20, n28, n30, n38, n41, n66, n77, n78, n257, n260

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

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66

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

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

850, 1700/2100, 1900, 2100MHz

850/900/1800/1900MHz

Quad-band

Yes

Yes

Yes

Wi-Fi 7 (802.11be)

Wi-Fi 4 (802.11n)

2.4GHz & 5GHz & 6GHz

Open, Secure

v5.4 + EDR, A2DP, HS, LE, aptX®

v5.3

Up to 10 devices

Google Solution

eSIM-First

Electronic SIM

Yes

Required to use smartwatch over cellular; rate plan required

Accelerometer, Ambient Light, Barometer, Fingerprint, Geomagnetic, Gyroscope, Proximity, Hall

Second-generation optical heart sensor

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, SSL, TLS, Microsoft® Exchange ActiveSync®

Yes

Music

Apple Music®

MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE

Via lockscreen

Yes

This device is hearing aid compatible.

Conversational gain with hearing aid: 13 db

Conversational gain without hearing aid: 16 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

3/3

1/1

2/2

10/10

Track a casual walk, an intense ride, and everything in between.

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

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