Xiaomi Watch S2 vs Huawei Watch 4 Pro: The Ultimate Smartwatch Showdown

The smartwatch market is booming, and two contenders vying for your wrist are the Xiaomi Watch S2 and the Huawei Watch 4 Pro. Both offer premium designs, advanced health tracking, and seamless smartphone integration, but which one truly reigns supreme? Let's break down the key differences to help you make an informed decision.
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🏆 Quick Verdict

The Huawei Watch 4 Pro edges out the Xiaomi Watch S2 thanks to its superior health tracking capabilities, particularly its advanced SpO2 monitoring and ECG functionality. While the Xiaomi offers a sleek design and competitive price, the Huawei's robust feature set and longer battery life make it the overall winner for serious health enthusiasts.

PHONES
Phone Names Xiaomi Watch S2 Huawei Watch 4 Pro
Network
2G bandsN/AN/A
3G bandsN/AHSDPA 850 / 900 / 1800 / 1900 / 2100 / 800
4G bandsN/ALTE
EDGENo-
GPRSNo-
SpeedNoHSPA, LTE
TechnologyNo cellular connectivityHSPA / LTE
Launch
Announced2022, December 112023, May 10
StatusAvailable. Released 2022, December 11Available. Released 2023, June 22
Body
BuildSapphire crystal front, stainless steel frameGlass front, ceramic back, TC4 titanium frame
Dimensions46 x 46 x 10.7 mm (1.81 x 1.81 x 0.42 in)47.6 x 47.6 x 12.9 mm (1.87 x 1.87 x 0.51 in)
SIMNoeSIM
Weight-65 g (2.29 oz)
 Waterproof (5ATM)50m water resistant 5 ATM Compatible with standard 22mm straps
Display
Protection-Sapphire crystal glass
Resolution466 x 466 pixels (~326 ppi density)466 x 466 pixels (~310 ppi density)
Size1.43 inches1.5 inches
TypeAMOLEDLTPO AMOLED
 -* the display resolution is unconfirmed Always-on display
Platform
OSProprietary OSHarmonyOS 3.0
Memory
Card slotNoNo
Internal-32GB 2GB RAM
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth5.2, A2DP, LE5.2, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSSGPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
RadioNoNo
USBNoNo
WLANNoWi-Fi 802.11 b/g/n (market/region dependent)
Features
SensorsAccelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI)Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature)
Battery
ChargingWirelessWireless
TypeLi-Po 500 mAhLi-Ion
Misc
ColorsBlack, Silver, Light GoldTitanium
Models-MDS-AL00, MDS-AL10
PriceAbout 150 EURAbout 550 EUR
Camera
 NoNo

Xiaomi Watch S2

  • Sleek and stylish design
  • Competitive price
  • Good fitness tracking features
  • Wireless charging

  • Shorter battery life compared to Huawei
  • Zepp OS can feel limited
  • Occasional performance lag

Huawei Watch 4 Pro

  • Advanced health tracking (ECG, SpO2)
  • Longer battery life
  • Bright and vibrant display
  • Rugged and premium design
  • HarmonyOS offers smooth performance

  • Higher price point
  • Limited app ecosystem compared to Wear OS
  • Huawei ecosystem lock-in

Display Comparison

Both watches feature vibrant AMOLED displays, but the Huawei Watch 4 Pro boasts a slightly larger screen size and brighter peak brightness, making it easier to read outdoors. The Xiaomi Watch S2's display is still excellent, offering crisp visuals and customizable watch faces.

Camera Comparison

Neither watch has a built-in camera, a common omission in this price range. Users will need to rely on their smartphones for capturing photos and videos.

Performance

The Huawei Watch 4 Pro generally offers smoother performance thanks to its HarmonyOS and optimized software. The Xiaomi Watch S2, running Zepp OS, can occasionally experience minor lag, especially when navigating complex menus or using third-party apps. Both handle basic smartwatch functions flawlessly.

Battery Life

The Huawei Watch 4 Pro consistently delivers longer battery life, often lasting 4-5 days on a single charge with moderate usage. The Xiaomi Watch S2 typically lasts around 2-3 days, depending on usage patterns and enabled features.

Buying Guide

The Xiaomi Watch S2 is ideal for users prioritizing style and a more affordable price point, who want a good all-around smartwatch experience without needing the most advanced health features. The Huawei Watch 4 Pro is perfect for fitness enthusiasts and health-conscious individuals who demand comprehensive health tracking, including ECG and SpO2 monitoring, and appreciate a rugged, premium design.

Frequently Asked Questions

❓ Does the Huawei Watch 4 Pro support ECG?
Yes, the Huawei Watch 4 Pro features ECG (electrocardiogram) monitoring, allowing users to track their heart rhythm and detect potential irregularities. However, availability may vary by region due to regulatory approvals.
❓ Is the Xiaomi Watch S2 compatible with iOS?
While the Xiaomi Watch S2 primarily focuses on Android compatibility, it does offer limited iOS support. You can receive notifications and basic fitness data, but full functionality is restricted.