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Wearable comparison

Amazfit Balance 2 vs Xiaomi Watch S1 Pro

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Amazfit Balance 2

Amazfit Balance 2

  • Screen: 480 × 480 pixels; 323 ppi.
  • 32 GB storage in this version.
  • Runs Zepp OS 6.
  • 658 mAh battery capacity.
  • Bluetooth 5.2.
KSh 39,000In Stock
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02
Xiaomi Watch S1 Pro

Xiaomi Watch S1 Pro

  • 48.5 g.
  • Screen: 480 × 480 pixels.
  • 12 nm chip processor.
  • Runs MIUI Watch OS.
  • Wi-Fi 4 support.
KSh 38,380In Stock
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2 spaces available

OnePlus Watch 4KSh 38,500
Samsung Galaxy Watch 9 40mmKSh 39,500
Samsung Galaxy Watch 8 ClassicKSh 38,500
Google Pixel Watch 5 41mmKSh 42,000
WHOOP ONE 5.0 SensorKSh 37,000
Amazfit T-Rex 3KSh 33,000
AmazFit T-Rex UltraKSh 47,000
2 of 4 products

Our quick verdict

The Amazfit Balance 2 lasts longer between charges (21 days typical), is lighter to wear all day and has a brighter screen for outdoor use, while the Xiaomi Watch S1 Pro has a sturdier stainless steel build and is slimmer.

Display

Amazfit Balance 2
480 × 480 pixels; 323 ppi
Xiaomi Watch S1 Pro
480 × 480 pixels

Software

Amazfit Balance 2
Runs Zepp OS 6
Xiaomi Watch S1 Pro
Runs MIUI Watch OS

Capacity

Amazfit Balance 2
658 mAh battery capacity
Xiaomi Watch S1 Pro
500 mAh battery capacity

Portability

Amazfit Balance 2
43 g
Xiaomi Watch S1 Pro
48.5 g

Connections

Amazfit Balance 2
Bluetooth 5.2
Xiaomi Watch S1 Pro
Wi-Fi 4, Bluetooth 5.2

Key differences

The main differences to help you choose.

Amazfit Balance 2

  • Longer battery life: up to 21 days in typical use (vs 14).
  • Bigger battery: 658 mAh (vs 500 mAh).
  • Brighter display: up to 2,000 nits (vs 600).
  • Lighter: 43 g (vs 48.5 g).
  • Swimproof: water resistant to 100 m (vs 50 m).
  • Water resistant to 10 ATM (vs 5 ATM).

Xiaomi Watch S1 Pro

  • Stainless steel case and plastic back (vs plastic case).
  • Slimmer: 11.3 mm thick (vs 12.3 mm).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityAmazfit Balance 2Xiaomi Watch S1 Pro
Battery life658 mAh battery500 mAh battery
Portability43 g48.5 g
Display1.5-inch OLED display, 323 ppi1.47-inch OLED display
SoftwareZepp OS 6MIUI Watch OS
ConnectionsBluetooth 5.2Wi-Fi 4, Bluetooth 5.2
Water resistance10 ATM5 ATM

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
Display1.5-inch AMOLED1.47-inch AMOLED
Screen resolution480 × 480 pixels; 323 ppi480 × 480 pixels
Display protectionSapphire glassSynthetic sapphire glass
Display features—Always-on display; up to 600 nits brightness

Connectivity

Connectivity specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
Wi-FiWi-Fi 2.4 GHzWi-Fi 802.11 b/g/n (China only)
BluetoothBluetooth 5.2 BLE5.2, A2DP, LE
Positioning / GNSSDual-band GNSS; circularly polarized antenna; 6 satellite systemsDual-band GPS; BeiDou; GLONASS; Galileo; QZSS
Satellite featuresNo—
Network / cellular—No cellular connectivity
SIM / eSIM—No
NFC—Supported; Mastercard payments (regional availability)

Identity & design

Identity & design specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
BrandAmazfitXiaomi
ModelAmazfit Balance 2Xiaomi Watch S1 Pro
AnnouncedJune 24, 20252022, August 12
Dimensions47.4 × 47.4 × 12.3 mm without heart-rate sensor base46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)
Weight43 g without strap48.5 g (1.73 oz)
Build materialsAluminum-alloy frame; fibre-reinforced polymer caseSapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back
Wrist size140–210 mm135–205mm with supplied brown leather strap
Strap / band22 mm silicone; pin buckle; standard and accessory strapsCalfskin leather or fluororubber
Controls / buttonsTwo physical buttons and touchscreenRotatable crown and watch button

Performance & software

Performance & software specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
Storage32GB—
Operating systemZepp OS 6MIUI Watch OS
Processor—12 nm chip

Audio & communication

Audio & communication specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
SpeakerTwo speakersSupported
MicrophoneSupportedSupported
CallingBluetooth callingBluetooth calling; AI call noise reduction

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
SensorsBioTracker 6.0 PPG; 5 PD + 2 LED; accelerometer; gyroscope; barometer; ambient light; geomagnetic sensor; temperatureHeart-rate sensor with blood-oxygen sensor; accelerometer; gyroscope; geomagnetic; atmospheric; ambient light; capacitive; temperature
Health & wellness features24-hour heart rate, SpO₂ and stress; one-tap measurement; high and low heart-rate alerts; low SpO₂ alerts; breathing exercises; PAI; heart-rate recovery; menstrual-cycle tracking; HybridChargeAll-day heart rate; blood oxygen; stress tracking; high/low heart-rate alerts
Sleep trackingSleep HRV; sleep stages including REM; naps; sleep schedule; breathing quality; sleep scoreSleep tracking
Sports / workout modes180+ sports modes100+ fitness modes
Training & outdoor featuresZepp Coach; PeakBeats; HybridCharge; training and interval templates; HYROX templates and Virtual Pace; track running; trajectory correction; virtual pacer; offline maps; golf and ski mapsTen running courses; independent dual-band positioning; mountaineering distance tracking
Diving / depth featuresScuba-diving support; follow the manufacturer’s dive-mode limits and safety guidance—

Battery & durability

Battery & durability specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
Battery capacity658 mAh rated500 mAh
Battery life21 days typical; 10 days heavy; 33 hours accurate GPS; 67 hours GPS power saverUp to 14 days typical use; 10 days intensive use; 5 days AOD use
ChargingMagnetic charging headWireless fast charging
Water resistance10 ATM5 ATM
Durability / certificationsMIL-STD-810G-2014 low-pressure, temperature, shock, vibration and impact tests; TUV water-resistance report 68.189.25.0132.01—

Compatibility

Compatibility specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
Phone compatibilityAndroid 7 or later; iOS 15 or laterAndroid 6.0 or higher; iOS 11 or higher
Companion appZeppMi Fitness
ColorsBlack; Lava accessory strapBlack, Silver

Additional specifications

Additional specifications specifications comparison
SpecificationAmazfit Balance 2Xiaomi Watch S1 Pro
Case materialAluminum alloy; fibre-reinforced polymerStainless steel
Pixels per inch323 ppi—
Peak brightness2,000 nits peak600 nits
Packing listWatch with standard strap; magnetic charging head; instruction manualWatch, wireless charging dock including charging cable, user manual including warranty notice
Smart recognition25 strength-training movements; 8 sports movements—
Third-party fitness appsRunna; Strava; TrainingPeaks; Intervals.icu; Google Fit; Apple HealthStrava and Apple Health synchronization
Vibration motor—Linear vibration motor
Watch weight without strap—48.5g without strap
Display material—Synthetic sapphire
Cover / touchscreen—AMOLED touchscreen
Charging time—Approximately 85 minutes full charge; 10 minutes for up to 2 days typical use
Sports coach—10 built-in running courses
Display—1.47-inch AMOLED touchscreen; 480 × 480
Case / strap—Silver stainless steel case; brown leather strap
Size / weight—46 × 46 × 11.28mm; 48.5g watch body only
Wrist range—135–205mm
Positioning—Five-system independent dual-band GNSS
Fitness—100+ fitness modes; ten running courses
Connection / calls—Bluetooth 5.2 + BLE; paired-phone Bluetooth calling
Battery—500mAh; up to 14 days under typical-use test conditions
Charging—Wireless dock; up to approximately 85 minutes with suitable QC3.0 equipment under test conditions
Compatibility—Android 6.0+; iOS 11+; Mi Fitness
Water resistance—5ATM watch; protect leather strap from water
Package—Watch, wireless charging dock including charging cable, user manual including warranty notice
Release status—Available. Released 2022, August 12
Model numbers—M2135W1, M2134W1
Card slot—No
Camera—No
3.5 mm headphone jack—No
USB—No
Radio—No
Network speed—No

Similarities

  • Both use Bluetooth 5.2.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both have similar screen sizes (1.5 and 1.47 inches).
  • Both connect over Bluetooth.
  • Both have 480 × 480 screens.

In summary

For most buyers the Amazfit Balance 2 is the better buy; the Xiaomi Watch S1 Pro makes sense if you want a sturdier stainless steel build.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy Watch 8 ClassicFor Amazfit Balance 2Samsung Galaxy Watch 8 ClassicView product ↗Samsung Galaxy Watch 9 40mmFor Amazfit Balance 2Samsung Galaxy Watch 9 40mmView product ↗OnePlus Watch 4For Xiaomi Watch S1 ProOnePlus Watch 4View product ↗WHOOP ONE 5.0 SensorFor Xiaomi Watch S1 ProWHOOP ONE 5.0 SensorView product ↗

Related comparisons

Amazfit Balance 2OnePlus Watch 4Samsung Galaxy Watch 9 40mmAmazfit Balance 2Samsung Galaxy Watch 8 ClassicAmazfit Balance 2Amazfit Balance 2Google Pixel Watch 5 41mmWHOOP ONE 5.0 SensorAmazfit Balance 2Amazfit T-Rex 3Amazfit Balance 2AmazFit T-Rex UltraAmazfit Balance 2Google Pixel Watch 3Amazfit Balance 2Amazfit Balance 2Amazfit Balance 3
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