Xiaomi Watch S1 Active vs. Xiaomi Watch S2: A Detailed Comparison

The smartwatch market is booming, and Xiaomi is a major player. The Watch S1 Active and Watch S2 are both compelling options, but cater to slightly different needs. This comparison dives deep into their features, performance, and overall value to help you choose the right one.

Phones Images

🏆 Quick Verdict

The Xiaomi Watch S2 offers a notable upgrade with wireless charging and likely improved internal components. While the S1 Active is a solid choice, the S2's convenience and potential performance enhancements make it the winner for most users, especially those prioritizing ease of charging.

PHONES
Phone Names	Xiaomi Watch S1 Active	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, March 15	2022, December 11
Status	Available. Released 2022, March 24	Available. Released 2022, December 11

Body
Build	Glass front, plastic back, aluminum frame	Sapphire crystal front, stainless steel frame
Dimensions	46.5 x 47.3 x 11 mm (1.83 x 1.86 x 0.43 in)	46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in)
SIM	No	No
Weight	36 (1.27 oz)	-
	Waterproof (5ATM)	Waterproof (5ATM)

Display
Resolution	466 x 466 pixels (~326 ppi density)	466 x 466 pixels (~326 ppi density)
Size	1.43 inches	1.43 inches
Type	AMOLED	AMOLED

Platform
OS	Proprietary 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	No	No

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

Battery
Charging	-	Wireless
Type	Li-Po 470 mAh	Li-Po 500 mAh

Misc
Colors	Moon White, Space Black, Ocean Blue	Black, Silver, Light Gold
Price	About 80 EUR	About 150 EUR

Camera
	No	No

Xiaomi Watch S1 Active

More affordable
Reliable fitness tracking
Good battery life (estimated)
Lightweight design

Likely less powerful processor
No wireless charging
Potentially fewer features than S2

Xiaomi Watch S2

Wireless charging
Potentially improved performance
Premium design
Likely more features

Higher price
Battery life unknown
May be slightly bulkier

Display Comparison

Both watches likely feature AMOLED displays, offering vibrant colors and good visibility. The S2 may have a slightly larger or brighter display, but without specific specs, it's difficult to confirm. Expect both to offer customizable watch faces.

Camera Comparison

Neither watch is expected to have a dedicated camera. They will rely on the smartphone's camera for taking photos remotely.

Performance

The S2 is expected to have a more powerful processor and potentially more RAM than the S1 Active, leading to smoother performance and faster app loading times. The S1 Active should still be adequate for basic fitness tracking and notifications.

Battery Life

While the S1 Active likely has a decent battery life (potentially 7-10 days), the S2's battery life is unknown. Wireless charging on the S2 is a significant convenience factor, potentially offsetting any slight difference in battery capacity.

Buying Guide

The Xiaomi Watch S1 Active is ideal for budget-conscious users who want a reliable fitness tracker with basic smartwatch features. The Xiaomi Watch S2 is better suited for those willing to spend a bit more for wireless charging, potentially better performance, and a more premium feel.