Samsung Galaxy Watch5 40mm vs Samsung Galaxy Watch4 Classic 42mm

Samsung Exynos W920

Exynos W920

Dual-core, 2 at 1.18GHz

Dual-core, 2 at 1.18GHz

Up to 16GB

Up to 16GB

1.5GB

1.5

Wear OS Powered by Samsung 3.5

Yes

Yes

Wear OS Powered by Samsung

Bands 2, 4, 5, and 12

Bands 2, 4, 5, and 12

HSPA+ with enhanced backhaul

HSPA+ with enhanced backhaul

850/1900MHz

850/1900MHz

Yes

Yes

Yes

Yes

802.11a/b/g/n

802.11a/b/g/n

2.4GHz & 5.0GHz

2.4GHz & 5.0GHz

Open, Secure

Open, Secure

v5.2 + EDR, A2DP, HS, LE, aptX®

v5.0 + EDR, A2DP, HS, LE

Yes

Yes

eSim

eSim

Yes

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

Accelerometer, Ambient Light, Barometer, Gyroscope, Heart Rate,E-Compass, Magnetometer, ECG

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

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

Microsoft Outlook

Outlook

Yes

Yes

Samsung Music

Music

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

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

Yes

Yes

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

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

4/4

2/3

2/3

1/1

1/1

2/2

2/2

10/10

10/10

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

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