Xiaomi Watch S2 vs Xiaomi Watch S4 41mm
Comparing 2 products
Basic Information
General Overview
Device Type
Watch
Bar
Model
Xiaomi Watch S2
M2502W1
Announced
2022, November
2025, June 26
Released
2022, November
2025, June 26
Status
Available
Available
Estimate Price
-
About 120 EUR
Design
Type
Bar
Bar
Dimensions
46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in)
41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in)
Protection
Sapphire crystal front, stainless steel frame
Stainless steel bezel and frame
Colors
Black, Silver, Light Gold
Black, Green, White, Gold
Weight
-
32 g (1.13 oz)
Display
Display Type
AMOLED
AMOLED
Size
1.43 inches, 12.5 cm2 (~49.1% screen-to-body ratio)
1.32 inches
Resolution
466 x 466 pixels
466 x 466 pixels
Pixel Density
326 ppi density
320 ppi density
Touch Screen
-
Yes
Display Protection
-
Scratch/drop-proof glass
Features
-
1500 nits (HBM), 2200 nits (peak)
Software
OS
Proprietary OS
HyperOS 2
Hardware
Chipset
Unspecified
N/A
CPU
One core
N/A
RAM
Unspecified
N/A More than 1 GB
Internal Storage
Below 16 GB
N/A More than 8 GB
Card Slot
No
No
Sensors
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI)
Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature)
GPU
-
N/A
Connectivity
Bluetooth
5.2, A2DP, LE
5.4, A2DP, LE
Wi-fi
No
No
Wi-fi Hotspot
No
No
USB
No
No
GPS
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
Yes
No
Wireless Charging
Yes, Wireless
-
Data
GPRS
No
No
EDGE
No
No
Speed
No Data
No Internet
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Poly (Lithium Polymer)
Capacity
500 mAh, Battery
320 mAh, Battery
Placement
Non-removable
Non-removable