Xiaomi Watch S4 vs Xiaomi Watch S2
Product
Price
149 USD
150 USD
Status
Available
Available
Brand
Xiaomi Mobiles
Xiaomi Mobiles
Model No
M2424W1, M2425W1
Xiaomi Watch S2
Launch Date
2024, October 29
2022, December 11
Technology
GSM / HSPA / LTE
No cellular connectivity
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA
4G bands
LTE
Speed
HSPA, LTE
Dimensions
47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)
46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in)
Weight
44.5 g (1.59 oz)
Build
Aluminum alloy frame, stainless steel bezel
Scratch/drop-proof glass
Waterproof (5ATM)
Sapphire crystal front, stainless steel frame
SIM
eSIM (market/region dependent)
No
Colors
Black, Silver
Black, Silver, Light Gold
Case size
47.3 x 47.3 mm
46 x 46 mm
Water resistance
5ATM
Type
AMOLED, 2200 nits (peak)
AMOLED
Size
1.43 inches
1.43 inches
Resolution
466 x 466 pixels (~326 ppi density)
466 x 466 pixels (~326 ppi density)
OS
HyperOS 2
Proprietary OS
Capacity
Li-Po 486mAh, non-removable
Li-Po 500 mAh, non-removable
Charging
Wireless
Health sensors
Heart rate, SpO2
Heart rate, SpO2, Temperature, Body composition (BIA)
Sensors
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI)
Bluetooth
5.3, A2DP, LE
5.2, A2DP, LE
GPS
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Yes (market/region dependent)
Yes
WLAN
No
Radio
No
USB
No
Card Slot
No
Loudspeaker
Yes
3.5mm jack
No