Xiaomi Watch S1 Pro vs. Xiaomi Watch S1: A Detailed Comparison

The Xiaomi Watch S1 and S1 Pro offer compelling smartwatch experiences, but cater to slightly different users. Both boast sleek designs and a range of fitness tracking features. But which one is the better choice for you? Let's dive into a comprehensive comparison.
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🏆 Quick Verdict

The Xiaomi Watch S1 Pro offers a significant upgrade with its larger, brighter display, built-in speaker and microphone for calls, and faster charging. However, the S1 remains a fantastic value option for those prioritizing essential features and a more budget-friendly price point.

PHONES
Phone Names Xiaomi Watch S1 Pro Xiaomi Watch S1
Network
2G bandsN/AN/A
3G bandsN/AN/A
4G bandsN/AN/A
EDGENoNo
GPRSNoNo
SpeedNoNo
TechnologyNo cellular connectivityNo cellular connectivity
Launch
Announced2022, August 122021, December 28
StatusAvailable. Released 2022, August 12Available. Released 2021, December 31
Body
BuildSapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic backSapphire crystal front, stainless steel frame, plastic back
Dimensions46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in)
SIMNoNo
Weight48.5 g (1.73 oz)53 g (1.87 oz)
 Waterproof (5ATM)Waterproof (5ATM)
Display
Resolution480 x 480 pixels (~462 ppi density)466 x 466 pixels (~326 ppi density)
Size1.47 inches1.43 inches
TypeAMOLED, 600 nits (typ)AMOLED
Platform
OSMIUI Watch OSProprietary 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, SpO2, thermometer (body temperature)Accelerometer, gyro, compass, barometer, heart rate, SpO2
Battery
ChargingWireless, 100% in 85 minWireless
TypeLi-Po 500 mAhLi-Po 470 mAh
Misc
ColorsBlack, SilverBlack, Silver
ModelsM2135W1, M2134W1M2108W1
PriceAbout 220 EURAbout 270 EUR
Camera
 NoNo

Xiaomi Watch S1 Pro

  • Larger, brighter display
  • Built-in speaker and microphone for calls
  • Faster wireless charging (85 mins)
  • Premium design and materials
  • More advanced health tracking features (ECG, SpO2)

  • Higher price point
  • Potentially shorter battery life with heavy usage of advanced features

Xiaomi Watch S1

  • More affordable
  • Sleek and lightweight design
  • Comprehensive fitness tracking
  • Wireless charging

  • Smaller display
  • No built-in speaker/microphone
  • Slower charging (unspecified)

Display Comparison

The S1 Pro features a larger 1.95-inch AMOLED display compared to the S1's 1.43-inch screen. The Pro's display is also noticeably brighter, making it easier to read outdoors. Both offer vibrant colors and sharp resolution, but the Pro's size advantage is undeniable.

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 additional features might place slightly more demand on its hardware, though the difference is minimal in real-world usage.

Battery Life

The S1 Pro boasts significantly faster charging, completing a full charge in 85 minutes compared to the S1's wireless charging time (unspecified, but longer). Battery life is comparable, with both offering several days of use depending on usage patterns.

Buying Guide

The Xiaomi Watch S1 Pro is ideal for users who want a premium smartwatch experience with advanced features like cellular connectivity (in some regions), a larger display for easier viewing, and the ability to take calls directly from their wrist. The Xiaomi Watch S1 is perfect for fitness enthusiasts and those seeking a reliable smartwatch with core features at an accessible price.

Frequently Asked Questions

❓ Does the Xiaomi Watch S1 Pro support cellular connectivity?
Cellular connectivity varies by region. Some models of the S1 Pro offer LTE support, allowing you to make calls and use data without your phone nearby. Check the specifications for your region.
❓ What health tracking features are available on both watches?
Both watches offer heart rate monitoring, SpO2 (blood oxygen) tracking, sleep tracking, and a variety of workout modes. The S1 Pro adds ECG (electrocardiogram) functionality in supported regions.