Xiaomi Watch S1 vs. S1 Pro: A Detailed Comparison

The Xiaomi Watch S1 made a splash with its stylish design and solid features. Now, the S1 Pro arrives, promising even more. But is the upgrade worth it? This comprehensive comparison dives deep into both smartwatches to help you decide which one deserves a spot on your wrist.
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🏆 Quick Verdict

The Xiaomi Watch S1 Pro offers a significant upgrade with its larger, brighter display, enhanced health tracking, and faster charging. However, the S1 remains a compelling option for those seeking a stylish and capable smartwatch at a more accessible price point. The Pro is the clear winner for feature enthusiasts.

PHONES
Phone Names Xiaomi Watch S1 Xiaomi Watch S1 Pro
Network
2G bandsN/AN/A
3G bandsN/AN/A
4G bandsN/AN/A
EDGENoNo
GPRSNoNo
SpeedNoNo
TechnologyNo cellular connectivityNo cellular connectivity
Launch
Announced2021, December 282022, August 12
StatusAvailable. Released 2021, December 31Available. Released 2022, August 12
Body
BuildSapphire crystal front, stainless steel frame, plastic backSapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back
Dimensions46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in)46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)
SIMNoNo
Weight53 g (1.87 oz)48.5 g (1.73 oz)
 Waterproof (5ATM)Waterproof (5ATM)
Display
Resolution466 x 466 pixels (~326 ppi density)480 x 480 pixels (~462 ppi density)
Size1.43 inches1.47 inches
TypeAMOLEDAMOLED, 600 nits (typ)
Platform
OSProprietary OSMIUI Watch OS
Memory
Card slotNoNo
InternalUnspecified storageUnspecified storage
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, GALILEO, BDS, QZSS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/n (China only)Wi-Fi 802.11 b/g/n (China only)
Features
SensorsAccelerometer, gyro, compass, barometer, heart rate, SpO2Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature)
Battery
ChargingWirelessWireless, 100% in 85 min
TypeLi-Po 470 mAhLi-Po 500 mAh
Misc
ColorsBlack, SilverBlack, Silver
ModelsM2108W1M2135W1, M2134W1
PriceAbout 270 EURAbout 220 EUR
Camera
 NoNo

Xiaomi Watch S1

  • Stylish Design
  • Good Value
  • Essential Fitness Tracking
  • Wireless Charging

  • Smaller Display
  • Shorter Battery Life
  • Limited Advanced Features

Xiaomi Watch S1 Pro

  • Larger, Brighter Display
  • Longer Battery Life
  • Advanced Health Tracking (SpO2, Sleep Analysis)
  • Premium Sapphire Glass
  • Faster Charging

  • Higher Price
  • Potentially Overkill for Basic Users

Display Comparison

The S1 Pro boasts a significantly larger 1.95-inch AMOLED display compared to the S1's 1.43-inch screen. This results in a more immersive experience and easier readability. Both offer vibrant colors and sharp resolution, but the Pro's size advantage is noticeable. The S1 Pro also has a more premium sapphire glass.

Camera Comparison

Neither watch has a dedicated camera. They both rely on the phone's camera for remote shutter functionality.

Performance

Both watches utilize similar processors, offering smooth navigation and app performance for everyday tasks. However, the S1 Pro's slightly improved software optimization might result in marginally faster response times. Both run on Wear OS with Xiaomi's MIUI Watch skin.

Battery Life

The S1 Pro's larger battery (486mAh) and optimized charging (100% in 85 minutes) provide a noticeable advantage over the S1 (470mAh). While both offer multi-day battery life with moderate usage, the S1 Pro consistently delivers longer runtimes, especially with always-on display enabled.

Buying Guide

The Xiaomi Watch S1 is ideal for users who prioritize style, essential fitness tracking, and a more budget-friendly price. The Xiaomi Watch S1 Pro is best suited for fitness enthusiasts, those who want a larger, more vibrant display, and appreciate advanced health monitoring features like blood oxygen saturation and more detailed sleep analysis.

Frequently Asked Questions

❓ What is the difference in health tracking features?
The S1 Pro offers more detailed sleep analysis and continuous blood oxygen saturation (SpO2) monitoring, while the S1 provides standard heart rate and activity tracking.
❓ Is the S1 Pro worth the extra cost?
If you're a serious fitness enthusiast or value a larger, more vibrant display and longer battery life, the S1 Pro is a worthwhile upgrade. Otherwise, the S1 offers excellent value for its price.