Samsung Galaxy Watch5 40mm vs Apple Watch Ultra 3 49mm

Samsung Exynos W920

S10 chip with 64-bit dual-core processor

Dual-core, 2 at 1.18GHz

S10 chip with 64-bit dual-core processor

4-core Neural Engine

Up to 16GB

64GB

1.5GB

Wear OS Powered by Samsung 3.5

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

Bands 2, 4, 5, and 12

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

HSPA+ with enhanced backhaul

850/1900MHz

850, 1700/2100, 1900, 2100MHz

Yes

Yes

Required to use smartwatch over cellular; rate plan required

802.11a/b/g/n

Wi-Fi 4 (802.11n)

2.4GHz & 5.0GHz

Open, Secure

v5.2 + EDR, A2DP, HS, LE, aptX®

v5.3

Yes

eSim

Electronic SIM

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

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.

Accelerometer, Ambient Light, Barometer, ECG, Geomagnetic, Gyroscope, Heart rate, Infrared temperature

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

Send and receive text messages from your wrist (messaging charges apply).

Yes

Microsoft Outlook

Yes

Samsung Music

Apple Music®

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

Yes

Send and receive text messages from your wrist (messaging charges apply).

4/4

2/3

1/1

2/2

10/10

19/20 (5-star) Please visit www.att.com/ecospace for additional information