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Wearable comparison

OnePlus Watch 3 vs Xiaomi Watch 5

Compare battery life, health tracking, display and fit.

Compared products
01Selected
OnePlus Watch 3

OnePlus Watch 3

  • Screen: 466 × 466 pixels.
  • Qualcomm Snapdragon W5; BES2800BP MCU processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS by Google; RTOS.
KSh 33,000In Stock
02
Xiaomi Watch 5

Xiaomi Watch 5

  • Screen: 480 × 480 pixels, 312 ppi.
  • Dual-core Snapdragon CPU processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Xiaomi HyperOS 3.
KSh 30,000Out of Stock

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OnePlus Watch 4KSh 38,500
Huawei Watch GT 7 41mmKSh 33,000
Amazfit T-Rex 3KSh 33,000
OnePlus Watch 2RKSh 28,500
OnePlus Watch 2KSh 29,500
Huawei Watch GT 5 ProKSh 34,000
Huawei Watch GT 6 ProKSh 33,500
2 of 4 products

Our quick verdict

The OnePlus Watch 3 lasts longer between charges (up to 16 days) and has a brighter screen for outdoor use and a premium titanium build, while the Xiaomi Watch 5 has a much bigger battery (930 mAh), is lighter to wear all day and has a cellular option for calls without your phone.

Display

OnePlus Watch 3
466 × 466 pixels
Xiaomi Watch 5
480 × 480 pixels, 312 ppi

Software

OnePlus Watch 3
Runs Wear OS by Google; RTOS
Xiaomi Watch 5
Runs Xiaomi HyperOS 3

Capacity

OnePlus Watch 3
648 mAh battery capacity
Xiaomi Watch 5
930 mAh battery capacity

Portability

OnePlus Watch 3
81 g
Xiaomi Watch 5
56 g

Performance

OnePlus Watch 3
Qualcomm Snapdragon W5 processor
Xiaomi Watch 5
Qualcomm Snapdragon W5 Gen 1 processor

Key differences

The main differences to help you choose.

OnePlus Watch 3

  • Longer rated battery life: up to 16 days (vs 6 days).
  • Brighter display: up to 2,200 nits (vs 1,500).
  • Titanium case (vs stainless steel case and sapphire back).
  • Dual-band Wi-Fi (vs 2.4 GHz only).

Xiaomi Watch 5

  • Bigger battery: 930 mAh (vs 648 mAh).
  • Lighter: 56 g (vs 81 g).
  • eSIM on cellular model.
  • Cellular option (LTE/5G models) for calls and data without your phone.

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.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityOnePlus Watch 3Xiaomi Watch 5
Battery life648 mAh battery930 mAh battery
Storage32 GB storage32 GB storage
Display1.5-inch OLED display1.54-inch OLED display, 60 Hz, 312 ppi
PerformanceQualcomm Snapdragon W5 processorQualcomm Snapdragon W5 Gen 1 processor
SoftwareWear OS by GoogleXiaomi HyperOS 3
ConnectionsBluetooth 5.2BT/BLE 5.4

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
Display1.50-inch LTPO AMOLED1.54-inch AMOLED
Screen resolution466 × 466 pixels480 × 480 pixels, 312 ppi
Display protectionSapphire crystalSapphire crystal
Display features2200 nits (peak)Up to 1,500 nits HBM brightness; 60 Hz refresh rate; 2.6 mm bezel; Always-On Display

Connectivity

Connectivity specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
Network / cellularNo cellular connectivityGSM, HSPA and LTE on cellular model
SIM / eSIMNoeSIM on cellular model; market and region dependent
Wi-FiWi-Fi 2.4 GHz + 5 GHz2.4 GHz Wi-Fi
BluetoothBluetooth 5.2BT/BLE 5.4
NFCSupportedSupported; availability varies by region
Positioning / GNSSDual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSSBuilt-in dual-band GNSS: GPS L1+L5, Galileo, GLONASS, BeiDou and QZSS

Identity & design

Identity & design specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
BrandOnePlusXiaomi
ModelOnePlus Watch 3Xiaomi Watch 5
Announced2025, February 1826 December 2025
Dimensions46.6 × 47.6 × 11.75 mm, excluding lugs and sensor area47 × 47 × 12.3 mm
Weight49.7 g without strap; 81 g with strap56 g without strap
Build materialsTitanium bezel; stainless-steel case; sapphire crystalSapphire-crystal front and rear sensor cover; 316L stainless-steel case
Wrist size140–210 mm135–205 mm
Strap / bandFluororubber strap with stainless-steel buckle; configuration dependentFluororubber strap
Controls / buttonsRotating crown, action button, and touchscreenRotating crown; side button; touchscreen; gesture controls

Performance & software

Performance & software specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
ProcessorQualcomm Snapdragon W5; BES2800BP MCUQualcomm Snapdragon W5 Gen 1 (4 nm) plus BES2800 low-power processor (6 nm)
RAM2 GB2 GB
Storage32 GB32 GB
Operating systemWear OS by Google; RTOSXiaomi HyperOS 3
CPU—Dual-core Snapdragon CPU

Audio & communication

Audio & communication specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphoneBluetooth calling through a connected smartphone; third-party app voice calls not supported

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
SensorsAccelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer; wrist-temperature sensorPPG; accelerometer; gyroscope; ambient-light; electronic compass; barometer; EMG
Health & wellness features60-second Health Check-In; Mind and Body; arterial-stiffness assessment; wrist temperature; heart-rate monitoring and alerts; SpO₂One-tap health assessment; all-day heart-rate, blood-oxygen and stress monitoring
Sleep trackingDeep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessmentHigh-precision sleep monitoring
Sports / workout modes100+ sports modes—
Training & outdoor featuresAerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track running—

Battery & durability

Battery & durability specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
Battery capacityLi-Ion 648 mAh930 mAh lithium-ion polymer battery
Battery lifeUp to 16 days power saver; 5 days smart mode; 3 days heavy useSmart mode: up to 6 days; Smart AOD: 4 days; power saver: up to 18 days, 12 days normal detection, 7 days with AOD
ChargingCharging base with USB-C cableMagnetic pogo-pin charging dock; approximately 90 minutes to full charge
Water resistance5 ATM; IP685 ATM
Durability / certificationsMIL-STD-810H—

Compatibility

Compatibility specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
Phone compatibilityAndroid 9.0 or later; GMS 23.45.23 or later—
Companion appOHealthMi Fitness
ColorsObsidian Titanium; Emerald TitaniumBlack; Juniper Green

Additional specifications

Additional specifications specifications comparison
SpecificationOnePlus Watch 3Xiaomi Watch 5
Case materialStainless steel; titanium bezel—
Peak brightness2,200 nits peak—
Packing listWatch; charging base; strap; USB-C cable; safety guide; quick start guide—
Smart recognitionRunning; walking; cycling; swimming; rowing machine; elliptical—
Release statusAvailable. Released 2025, March 03—
Model numbersOPWWE251—
Card slotNo—
CameraNo—
3.5 mm headphone jackNo—
USBNo—
RadioNo—
Network speedNo—

Similarities

  • Both have 2 GB RAM.
  • Both have NFC.
  • Both are water resistant to 50 m.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both offer 32 GB of storage.

In summary

Get the OnePlus Watch 3 if you want longer battery life and a brighter screen for outdoor use, or the Xiaomi Watch 5 if you would rather have a much bigger battery and a lighter watch for all-day wear.

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