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Wearable comparison

Xiaomi Smart Band 8 vs Samsung Galaxy Fit 4

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Xiaomi Smart Band 8

Xiaomi Smart Band 8

  • 27 g.
  • Screen: 192 × 490 pixels.
  • 190 mAh battery capacity.
  • Bluetooth 5.1.
  • 5 ATM.
KSh 6,500In Stock
02
Samsung Galaxy Fit 4

Samsung Galaxy Fit 4

  • 18.5 g.
  • Screen: 256 × 402 pixels.
  • Runs FreeRTOS.
  • Bluetooth 5.3 connection.
  • 208 mAh battery capacity.
KSh 7,500Out of Stock

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2 of 4 products

Our quick verdict

The Samsung Galaxy Fit 4, a smartwatch with a 1.6-inch OLED screen, has a bigger battery (208 mAh), takes ECG heart-rhythm readings and is lighter to wear all day and slimmer, while the Xiaomi Smart Band 8, a fitness band with a small screen, works with Android phones and iPhones and lasts longer between charges (up to 16 days).

Weight

Xiaomi Smart Band 8
27 g
Samsung Galaxy Fit 4
18.5 g

Display

Xiaomi Smart Band 8
192 × 490 pixels
Samsung Galaxy Fit 4
256 × 402 pixels

Capacity

Xiaomi Smart Band 8
190 mAh battery capacity
Samsung Galaxy Fit 4
208 mAh battery capacity

Software

Xiaomi Smart Band 8
Mi Fitness
Samsung Galaxy Fit 4
FreeRTOS

Connections

Xiaomi Smart Band 8
Bluetooth 5.1
Samsung Galaxy Fit 4
Bluetooth 5.3

Key differences

The main differences to help you choose.

Xiaomi Smart Band 8

  • Works with Android phones and iPhones.
  • Longer rated battery life: up to 16 days (vs 13 days).

Samsung Galaxy Fit 4

  • Bigger battery: 208 mAh (vs 190 mAh).
  • ECG heart-rhythm readings.
  • Lighter: 18.5 g (vs 27 g).
  • Slimmer: 9.9 mm thick (vs 10.99 mm).
  • Newer Bluetooth 5.3 (vs 5.1).
  • Newer model: released in 2027 (vs 2023).

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
PriorityXiaomi Smart Band 8Samsung Galaxy Fit 4
Battery life190 mAh battery208 mAh battery
Portability27 g18.5 g
Display1.62-inch OLED display1.6-inch OLED display
SoftwareMi FitnessFreeRTOS
ConnectionsBluetooth 5.1Bluetooth 5.3
Water resistance5 ATM5 ATM rated

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
Display1.62-inch AMOLED touch display1.6-inch AMOLED, 16 million colors
Screen resolution192 × 490 pixels256 × 402 pixels
Display protection2.5D reinforced glass—
Display featuresAdjustable brightness up to 600 nits; always-on display supportedAlways-on display supported; reduces battery life

Connectivity

Connectivity specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
BluetoothBluetooth 5.1 BLEBluetooth 5.3

Identity & design

Identity & design specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
BrandXiaomiSamsung
ModelXiaomi Smart Band 8Samsung Galaxy Fit 4
AnnouncedApril 2023February 2027
Dimensions48 × 22.5 × 10.99 mm, excluding strap and protrusions42.9 × 28.8 × 9.9 mm
Weight27 g including in-box strap18.5 g body only (band excluded)
Build materialsReinforced 2.5D glass case with AF coating and TPU strapAluminum body with display cover glass
Wrist size135–210 mmBand fit varies by supplied strap configuration
Strap / bandTPUQuick-release sport band; color varies by configuration
Controls / buttonsAMOLED touchscreenHome button and touchscreen

Health & fitness

Health & fitness specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
Sensors6-axis motion sensor; PPG heart-rate sensor; ambient-light sensorAccelerometer, barometer, gyroscope, optical heart-rate sensor, and ambient-light sensor
Health & wellness featuresHeart rate, blood oxygen, stress, cycle and activity tracking; wellness data is not intended for medical diagnosisHeart rate, blood oxygen, stress and menstrual-cycle tracking; body composition and ECG are not supported
Sleep trackingSleep monitoring supportedSleep monitoring and coaching when paired with Samsung Health
Sports / workout modesMore than 150 fitness modesMore than 100 workout types with automatic workout detection

Battery & durability

Battery & durability specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
Battery capacity190 mAh208 mAh typical
Battery lifeAt least 16 days typical useUp to 13 days with always-on display off; up to approximately 3.5 days with always-on display enabled
ChargingMagnetic chargingMagnetic USB-C charging cable
Water resistance5 ATM5 ATM rated

Compatibility

Compatibility specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
Phone compatibilityAndroid 6.0 or later; iOS 12.0 or laterCompatible Android smartphones; Samsung account and Galaxy Wearable/Samsung Health apps required; some features require a Galaxy phone
Companion appMi FitnessGalaxy Wearable and Samsung Health
ColorsGold or Graphite Black capsule; strap colors vary by marketGray, Silver, or Pink Gold

Additional specifications

Additional specifications specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
charging timeApproximately 1 hour—
packing listBand body; strap; charging cable; user manual—

Memory & software

Memory & software specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
Storage—256 MB
Operating system—FreeRTOS

Smart features

Smart features specifications comparison
SpecificationXiaomi Smart Band 8Samsung Galaxy Fit 4
Safety & emergency features—Fall detection and SOS features when paired with a compatible Galaxy phone

Similarities

  • Both are water resistant to 50 m.
  • Both have OLED displays.
  • Both have similar screen sizes (1.62 and 1.6 inches).
  • Both connect over Bluetooth.

In summary

Get the Samsung Galaxy Fit 4 if you want a bigger battery and ECG heart-rhythm readings, or the Xiaomi Smart Band 8 if you would rather have a choice of Android phone or iPhone and longer battery life.

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