Samsung Galaxy Watch9 40mm vs Samsung Galaxy A57 5G

32GB

128GB

2GB

8GB

7.0

Subject to change based on future operating system updates.

16

Subject to change based on future operating system updates.

Yes

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

Bands 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71

850, 900, 1700, 1900, 2100

850/900/1700/1900/2100

Yes

Yes

Yes

Yes

Yes

Wi-Fi 4 (802.11n)

Wi-Fi 6E (802.11ax)

2.4GHz & 5GHz

2.4GHz & 5GHz & 6GHz

Open, Secure

Open, Secure

v6.0 + EDR, A2DP, HS, LE, aptX®

v6.0

Yes

eSim

Dual SIM with eSIM first

Yes

Yes

n77 C-Band, n77 3.45GHz

Bands n1, n2, n5, n25, n30, n41, n66, n70, n71, n77, n78

850/900/1800/1900

Yes

Yes

Up to 10 devices

Goodix

Accelerometer, Ambient Light, Barometer, Bioelectrical Impedance Analysis, Electrical Heart, Geomagnetic, Gyroscope,Optical Heart Rate, Temperature

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

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

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

Rich Communication Services (RCS) messaging compatible for larger file transfers and group messages with other RCS clients. See when messages are delivered, read and when others are typing a response.

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.

email

POP3,IMAP4,SMTP,SSL,TLS,EAS; Google Mail

Samsung Music Player

YouTube Music, Spotify

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

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

Via lockscreen

This device is not hearing aid compatible.

This device is hearing aid compatible.

Conversational gain with hearing aid: 17 db

Conversational gain without hearing aid: 19 db

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).

4/4

3/3

1/1

2/2

10/10

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

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

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

50 MP wide ƒ/1.8

12 MP ultrawide ƒ/2.2

5 MP macro ƒ/2.4

Up to UHD 4K (3840 x 2160) @30fps

HDR

12 MP normal lens ƒ/2.0

Digital Zoom up to 10x

Dual Recording, Food, Fun, Hyperlapse, Macro, Night, Panorama, Photo, Portrait, Pro, Pro Video, Single Take, Slow Motion, Video