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Xiaomi Watch S3 vs Xiaomi Watch S4

Device summary

Xiaomi

Xiaomi Watch S3

Xiaomi

Xiaomi Watch S4

Full specifications

Full specifications
Basic information
Release year20232024
Starting price——
Display size1.4-inch1.4-inch
Dimensions47.0 mm × 47.0 mm × 12.0 mm47.3 mm × 47.3 mm × 12.0 mm
Weight44 g45 g
Front material——
Back material——
Display
Display technologyAMOLEDAMOLED
Resolution466 × 466466 × 466
Performance
Expandable storageNoNo
Battery & charging
Battery capacity486 mAh—
Charging standardMagnetic charging dockMagnetic charging dock
Battery typeLithium-ion polymerLithium-ion polymer
Connectivity
CellularGPS / multi-GNSSGPS / multi-GNSS
BluetoothBluetoothBluetooth
NFCYesYes
Build & durability
Ingress protection5 ATM5 ATM

Basic information

Release year

Xiaomi Watch S3
2023
Xiaomi Watch S4
2024

Starting price

Xiaomi Watch S3
—
Xiaomi Watch S4
—

Display size

Xiaomi Watch S3
1.4-inch
Xiaomi Watch S4
1.4-inch

Dimensions

Xiaomi Watch S3
47.0 mm × 47.0 mm × 12.0 mm
Xiaomi Watch S4
47.3 mm × 47.3 mm × 12.0 mm

Weight

Xiaomi Watch S3
44 g
Xiaomi Watch S4
45 g

Front material

Xiaomi Watch S3
—
Xiaomi Watch S4
—

Back material

Xiaomi Watch S3
—
Xiaomi Watch S4
—

Display

Display technology

Xiaomi Watch S3
AMOLED
Xiaomi Watch S4
AMOLED

Resolution

Xiaomi Watch S3
466 × 466
Xiaomi Watch S4
466 × 466

Performance

Expandable storage

Xiaomi Watch S3
No
Xiaomi Watch S4
No

Battery & charging

Battery capacity

Xiaomi Watch S3
486 mAh
Xiaomi Watch S4
—

Charging standard

Xiaomi Watch S3
Magnetic charging dock
Xiaomi Watch S4
Magnetic charging dock

Battery type

Xiaomi Watch S3
Lithium-ion polymer
Xiaomi Watch S4
Lithium-ion polymer

Connectivity

Cellular

Xiaomi Watch S3
GPS / multi-GNSS
Xiaomi Watch S4
GPS / multi-GNSS

Bluetooth

Xiaomi Watch S3
Bluetooth
Xiaomi Watch S4
Bluetooth

NFC

Xiaomi Watch S3
Yes
Xiaomi Watch S4
Yes

Build & durability

Ingress protection

Xiaomi Watch S3
5 ATM
Xiaomi Watch S4
5 ATM

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

  • Height

    Very similar height

  • Width

    Very similar width

  • Thickness

    Very similar thickness

  • Weight

    Very similar weight

Height, width, thickness, and weight are very similar between these devices.

View Xiaomi Watch S3 detailsView Xiaomi Watch S4 details

Dimensions and weight are based on manufacturer specifications. Handling estimates are derived from physical measurements. Methodology