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Wearable comparison

Oraimo Watch ER OSW-42 vs Xiaomi Smart Band 9

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Oraimo Watch ER OSW-42

Oraimo Watch ER OSW-42

  • 49.8 g.
  • Screen: 466 × 466 pixels.
  • Bluetooth 5.2 connection.
  • 300 mAh battery capacity.
  • IP68 rating.
KSh 7,000In Stock
02
Xiaomi Smart Band 9

Xiaomi Smart Band 9

  • Screen: 192 × 490 pixels.
  • 233 mAh battery capacity.
  • 5 ATM.
  • Weighs 15.8 g.
  • Sensors: accelerometer.
KSh 6,550Out of Stock

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2 of 4 products

Our quick verdict

The Xiaomi Smart Band 9, a fitness band with a small screen, lasts longer between charges (21 days), is lighter to wear all day and has a larger 1.62-inch screen, while the Oraimo Watch ER OSW-42, a smartwatch with a 1.43-inch OLED screen, has a bigger battery (300 mAh) and a sharper screen and takes calls from the wrist.

Display

Oraimo Watch ER OSW-42
466 × 466 pixels
Xiaomi Smart Band 9
192 × 490 pixels

Capacity

Oraimo Watch ER OSW-42
300 mAh battery capacity
Xiaomi Smart Band 9
233 mAh battery capacity

Portability

Oraimo Watch ER OSW-42
49.8 g
Xiaomi Smart Band 9
15.8 g

Water resistance

Oraimo Watch ER OSW-42
IP68 water and dust resistance
Xiaomi Smart Band 9
5 ATM

Sleep tracking

Oraimo Watch ER OSW-42
Sleep tracking
Xiaomi Smart Band 9
Sleep monitoring

Key differences

The main differences to help you choose.

Oraimo Watch ER OSW-42

  • Bigger battery: 300 mAh (vs 233 mAh).
  • Higher screen resolution: 466 × 466 (vs 192 × 490).
  • Takes calls from the wrist over Bluetooth.

Xiaomi Smart Band 9

  • Longer battery life: up to 21 days (vs 7).
  • Larger 1.62-inch screen (vs 1.43-inch).
  • Lighter: 15.8 g (vs 49.8 g).
  • Recharges faster: 1 hour (vs 2 hours).
  • Slimmer: 10.95 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
PriorityOraimo Watch ER OSW-42Xiaomi Smart Band 9
Battery life300 mAh battery233 mAh battery
Portability49.8 g15.8 g
Display1.43-inch OLED display1.62-inch OLED display, 60 Hz
Water resistanceIP68 water and dust resistance5 ATM
Sleep trackingSleep trackingSleep monitoring
Companion appOraimo HealthMi Fitness

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Display1.43-inch AMOLED1.62-inch AMOLED touch display
Screen resolution466 × 466 pixels192 × 490 pixels
Display features—Up to 1,200-nit peak brightness; automatic brightness; 60Hz refresh rate varies by interface

Connectivity

Connectivity specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
BluetoothBluetooth 5.2—

Identity & design

Identity & design specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
BrandOraimoXiaomi
ModelOraimo Watch ER OSW-42Xiaomi Smart Band 9
Dimensions53.6 × 46 × 12.3 mm without strap46.53 × 21.63 × 10.95 mm, excluding strap and protrusions
Weight49.8 g with strap15.8 g without strap
Build materialsZinc alloy; ABS; PCMetallic frame
Strap / bandSiliconeTPU
Wrist size—135–210 mm
Controls / buttons—Touchscreen interface

Audio & communication

Audio & communication specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
SpeakerBuilt-in speaker—
MicrophoneBuilt-in microphone—
CallingBluetooth calling—

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Health & wellness featuresHeart rate; blood oxygen; respiratory rate; stress; activity trackingHeart rate; blood oxygen; stress; menstrual-cycle records; personal wellness reference only
Sleep trackingSleep trackingSleep monitoring; REM and other advanced monitoring require enabling relevant settings
Sports / workout modes100+ sports modes150+ sports modes; ten on-wrist running courses

Battery & durability

Battery & durability specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Battery capacity300 mAh lithium-polymer; 4.35 V233 mAh
Battery lifeUp to 7 days useUp to 21 days typical use
ChargingMagnetic contact chargingMagnetic charging
Water resistanceIP685 ATM

Compatibility

Compatibility specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Phone compatibilityAndroid and iOS smartphonesAndroid 8.0 or later; iOS 12.0 or later
Companion apporaimo HealthMi Fitness
Colors—Midnight Black; Glacier Silver; Mystic Rose; Arctic Blue; Titan Gray

Additional specifications

Additional specifications specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Peak brightness600 nits peak—
Charging time2 hoursApproximately 1 hour
component variants—Standard TPU-strap edition; optional straps and running clip sold separately
motor—Linear motor
strap material—TPU
clip—Optional Xiaomi Smart Band 9 Running Clip, sold separately
secondary battery life—Up to nine days with AOD; 6.6 days heavy use under manufacturer test conditions
movement sensors—Accelerometer and gyroscope
packing list—Band; magnetic charging cable; user manual

Health & fitness

Health & fitness specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Sensors—Accelerometer; gyroscope; optical heart-rate sensor; ambient-light sensor

Smart features

Smart features specifications comparison
SpecificationOraimo Watch ER OSW-42Xiaomi Smart Band 9
Smart features / notifications—Call and notification reminders through paired phone; selected features require Mi Fitness running in background
Watch faces—More than 200 watch faces through Mi Fitness; supported personalised photo faces

Similarities

  • Both have OLED displays.
  • Both have similar screen sizes (1.43 and 1.62 inches).

In summary

Get the Xiaomi Smart Band 9 if you want longer battery life and a lighter band for all-day wear, or the Oraimo Watch ER OSW-42 if you would rather have a bigger battery and a sharper screen.

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