Samsung Galaxy Watch6 Classic 43mm vs Samsung Galaxy Watch4 Classic 46mm

Up to 16GB

16GB

2GB

1.5

Powered by Samsung 4

Wear OS Powered by Samsung

Yes

Yes

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

Bands 2, 4, 5, and 12

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

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

v5.3 + EDR, A2DP, HS, LE, aptX®

v5.0 + EDR, A2DP, HS, LE

Yes

Yes

eSim

eSim

HSPA+ with enhanced backhaul

Accelerometer, Ambient light, Analysis, Barometer, Bioelectrical, ECG, Geomagnetic, Gyroscope, Heart rate, Infrared Temperature

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

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

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

Microsoft Outlook

Outlook

Yes

Samsung Music

Music

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

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

Yes

Yes

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)

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

Up to 720p (30fps) (via 3rd party apps, no video player preloaded)

Via 3rd party apps, no video player preloaded