Xiaomi Watch S1 Pro vs Xiaomi Watch S2

Phones Images

PHONES
Phone Names	Xiaomi Watch S1 Pro	Xiaomi Watch S2

Network
2G bands	N/A	N/A
3G bands	N/A	N/A
4G bands	N/A	N/A
EDGE	No	No
GPRS	No	No
Speed	No	No
Technology	No cellular connectivity	No cellular connectivity

Launch
Announced	2022, August 12	2022, December 11
Status	Available. Released 2022, August 12	Available. Released 2022, December 11

Body
Build	Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back	Sapphire crystal front, stainless steel frame
Dimensions	46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)	46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in)
SIM	No	No
Weight	48.5 g (1.73 oz)	-
	Waterproof (5ATM)	Waterproof (5ATM)

Display
Resolution	480 x 480 pixels (~462 ppi density)	466 x 466 pixels (~326 ppi density)
Size	1.47 inches	1.43 inches
Type	AMOLED, 600 nits (typ)	AMOLED

Platform
OS	MIUI Watch OS	Proprietary OS

Memory
Card slot	No	No
Internal	Unspecified storage	-

Sound
3.5mm jack	No	No
35mm jack	No	No
Loudspeaker	Yes	Yes

Comms
Bluetooth	5.2, A2DP, LE	5.2, A2DP, LE
NFC	Yes	Yes
Positioning	GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS	GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Radio	No	No
USB	No	No
WLAN	Wi-Fi 802.11 b/g/n (China only)	No

Features
Sensors	Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature)	Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI)

Battery
Charging	Wireless, 100% in 85 min	Wireless
Type	Li-Po 500 mAh	Li-Po 500 mAh

Misc
Colors	Black, Silver	Black, Silver, Light Gold
Models	M2135W1, M2134W1	-
Price	About 220 EUR	About 150 EUR

Camera
	No	No