Samsung Galaxy A57 5G vs Apple Watch SE 3 40mm

Samsung Exynos 1680

S10 chip with 64-bit dual core processor

Octa-core, 1 @2.9GHz, 4 @2.6GHz, 3 @1.9GHz

S10 chip with 64-bit dual core processor

4-core Neural Engine

128GB

64GB

8GB

16

Subject to change based on future operating system updates.

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

n77 C-Band, n77 3.45GHz

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

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

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

Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

850/900/1700/1900/2100

850, 1700/2100, 1900, 2100MHz

850/900/1800/1900

Yes

Yes

Yes

Yes

Wi-Fi 6E (802.11ax)

Wi-Fi 4 (802.11n)

2.4GHz & 5GHz & 6GHz

Open, Secure

v6.0

v5.3

Up to 10 devices

Goodix

Dual SIM with eSIM first

Electronic SIM

Yes

Required to use smartwatch over cellular; rate plan required

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

Second-generation optical heart sensor

Temperature sensor

Compass

Always-on altimeter

High-g accelerometer

High dynamic range gyroscope

Ambient light sensor

Yes

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

Yes

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,SMTP,SSL,TLS,EAS; Google Mail

YouTube Music, Spotify

Apple Music®

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

Via lockscreen

Yes

This device is hearing aid compatible.

Conversational gain with hearing aid: 17 db

Conversational gain without hearing aid: 19 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

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

Track a casual walk, an intense ride, and everything in between.

Set workout-specific goals, see full summaries when you're done, and track how you're trending over time.

Keep tabs on your resting, walking, and workout recovery heart rate.