Apple Watch Ultra 4 49mm vs Samsung Galaxy S25

64GB

128GB | 256GB

12GB

27

Subject to change based on future operating system updates

The next generation of Apple Intelligence is centered around you, integrated into your apps, and built with privacy.

Apple Intelligence powers Siri AI — an entirely new version of Siri that’s more personal, conversational, and powerful, along with helpful features across apps.

Yes

15

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, n20, n28, n30, n38, n41, n66, n77, n78, n257, n260

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, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66

Required to use smartwatch over cellular; rate plan required

Wi‑Fi 4 (802.11n)

Wi-Fi 7 (802.11be)

v5.3

v5.4 + EDR, A2DP, HS, LE, aptX®

Electronic SIM

Dual SIM capable with eSIM First and Primary

n77 C-Band, n77 3.45GHz, n260

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

850/900/1800/1900MHz

Quad-band

Yes

Yes

Yes

2.4GHz & 5GHz & 6GHz

Open, Secure

Up to 10 devices

Google Solution

Yes

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

Satellite communications (Emergency SOS, Messages, Find My)

Emergency SOS

International emergency calling

Siren

Flashlight

Fall Detection

Crash Detection

Last Emergency Call Availability Waypoint

Noise monitoring

Backtrack

Generates an ECG similar to a single-lead electrocardiogram.

The most accurate heart rate sensing in a wearable, Series 12 now measures HRV as often as every five minutes for insights on stress and recovery, and takes background heart rate readings every five seconds.

Health Sensing System: third-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, and 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, Fingerprint, Gyroscope, Geomagnetic, Proximity, Geomagnetic, Hall

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, SSL, TLS, Microsoft® Exchange ActiveSync®

Yes

Apple Music®

Music

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

Via lockscreen

50 MP wide angle lens with ƒ/1.8 aperture

10 MP telephoto lens with ƒ/2.4 aperture (Optical 3X)

12 MP ultra-wide angle lens with ƒ/2.2 aperture

UHD 8K (7680 x 4320) @30fps

UHD 8K (7680 x 4320) @60fps

12 MP normal lens with ƒ/2.2 aperture

AR Zone, Bixby Vison, Director's View, Food, Hyperlapse, Night, Panorama, Photo, Portrait, Portrait Video, Pro, Pro Video, Single Take, Slow Motion, Super slow-mo, Video

Yes

This device is hearing aid compatible.

Conversational gain with hearing aid: 11 db

Conversational gain without hearing aid: 14 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