Compare devices

Compare another device

Apple

Watch SE 3 40mm

Samsung

Galaxy Watch Ultra (2025)

Rated 3.8824 out of 5

Rated 4.7705 out of 5

Retail price starting at: $299.99

Req’s new line. Price after credits over 36 mos. Other terms apply. All monthly pricing req's 0% APR, 36-mo. installment agmt. $0 down for well-qual. customers. Tax on full price due at sale. Restrictions apply.

Retail price starting at: $649.99

Shop now

Compare another device

Shop now

Compare another device

Dimensions

Size (mm)

40.0 x 34.0 x 10.7

Size (inches)

1.87 x 1.86 x .048

Show more details

Display

Pixels

324 by 394 pixels

326 pixels per inch

Resolution (pixels)

480 x 480

Show more details

Battery

Built-in rechargeable lithium-ion battery

Yes

Show more details

Processor

Chipset

S10 chip with 64-bit dual core processor

Chipset

Exynos W1000

Show more details

Memory

Operating system

Wireless technology

5G (U.S. and other countries)*

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

4G LTE

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

4G LTE

Bands 2, 4, 5, 12, 13, 14, 25, 26, 66, 71

UMTS/HSPA+**

850, 1700/2100, 1900, 2100MHz

UMTS/HSPA+/DC-HSDPA

850/900/1700/1900/2100MHz

NumberSync Capable

Required to use smartwatch over cellular; rate plan required

NumberSync capable

Yes

Wi-Fi connectivity

Wi-Fi 4 (802.11n)

Wi-Fi connectivity

Wi-Fi 4 (802.11n)

Bluetooth technology

v5.3

Bluetooth® technology

v5.3 + EDR, A2DP, HS, LE, aptX®

SIM type

Electronic SIM

SIM type

eSim

HD Voice capable

Yes

Wi-Fi capability

2.4GHz & 5GHz

Near Field Communication (NFC)

Open, Secure

FirstNet Ready®

Yes

Wireless emergency alerts (WEA) capable

Yes

Apps

Sensors

Messaging & email

Music

Accessibility

Sustainability

Device Eco-rating

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)

Substances of concern

4/4

Environmentally preferable materials

2/3

Energy efficiency and charging

1/1

End of life and recycling

2/2

Environmentally and socially responsible manufacturing

10/10

Total Eco-score

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

Device offers

Get $100 off this Apple Watch

Or, save even more on select Apple Watches. Here’s how:
1. Add an Apple Watch on installment plan with eligible data plan.
2. Save more when you add any iPhone 17 Series or iPhone Air smartphones to your cart.
3. Receive bill credits over the next 36 months.

Subject to change. Req's watch & phone purchases on installment plan. Other elig. plans avail. based on account type. Other terms apply

Get $100 off this Galaxy Watch, no additional purchase needed

Or, save even more on select Galaxy Watches. Here’s how:
1. Add a Galaxy Watch on installment plan with eligible data plan.
2. Save more when you add an eligible Galaxy smartphone to your cart.
3. Receive bill credits over the next 36 months.

Subject to change. Req's watch & phone purchases on installment plan. Other elig. plans available. based on account type. Other terms apply.

Compare devices

Watch SE 3 40mm

Galaxy Watch Ultra (2025)

Size (mm)

Size (inches)

Pixels

Resolution (pixels)

Built-in rechargeable lithium-ion battery

Chipset

Chipset

Compare your choices with other smart watches from AT&T

Shop

Trending

Top phone & data plans

Switch to AT&T

Featured deals

Shop cell phones by brand

Tablets & Watches

Accessories by Brand

Resources

AT&T