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Wearable comparison

Samsung Galaxy Fit 3 vs Samsung Galaxy Fit 4

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Fit 3

Samsung Galaxy Fit 3

  • Screen: 256 × 402 pixels; 302 ppi.
  • Runs FreeRTOS.
  • Bluetooth 5.3 connection.
  • 208 mAh battery capacity.
  • 16 MB.
KSh 8,500In Stock
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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

With the same 1.6-inch OLED screen and 208 mAh battery, the Samsung Galaxy Fit 4 is the better buy: it takes ECG heart-rhythm readings.

Display

Samsung Galaxy Fit 3
256 × 402 pixels; 302 ppi
Samsung Galaxy Fit 4
256 × 402 pixels

Water resistance

Samsung Galaxy Fit 3
IP68 water and dust resistance
Samsung Galaxy Fit 4
5 ATM rated

Sleep tracking

Samsung Galaxy Fit 3
Sleep monitoring
Samsung Galaxy Fit 4
Sleep monitoring and coaching when paired with Samsung Health

Charging

Samsung Galaxy Fit 3
Magnetic POGO-pin charging
Samsung Galaxy Fit 4
Magnetic USB-C charging cable

Health & wellness features

Samsung Galaxy Fit 3
Heart rate, high and low heart-rate alerts
Samsung Galaxy Fit 4
Heart rate, blood oxygen, stress and menstrual-cycle tracking

Key differences

The main differences to help you choose.

Samsung Galaxy Fit 3

  • Charging: Magnetic POGO-pin charging.

Samsung Galaxy Fit 4

  • ECG heart-rhythm readings.
  • Newer model: released in 2027 (vs 2024).
  • Charging: Magnetic USB-C charging cable.

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
PrioritySamsung Galaxy Fit 3Samsung Galaxy Fit 4
Battery life208 mAh battery208 mAh battery
Display1.6-inch OLED display, 302 ppi1.6-inch OLED display
SoftwareFreeRTOSFreeRTOS
ConnectionsBluetooth 5.3Bluetooth 5.3
Water resistanceIP68 water and dust resistance5 ATM rated
Sleep trackingSleep monitoringSleep monitoring and coaching when paired with Samsung Health

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
Display1.6-inch AMOLED touchscreen1.6-inch AMOLED, 16 million colors
Screen resolution256 × 402 pixels; 302 ppi256 × 402 pixels
Display protectionPANDA glass—
Display featuresAlways-on display supported; reduces battery lifeAlways-on display supported; reduces battery life

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
BluetoothBluetooth 5.3Bluetooth 5.3

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
BrandSamsungSamsung
ModelSamsung Galaxy Fit 3Samsung Galaxy Fit 4
AnnouncedFebruary 2024February 2027
Dimensions42.9 × 28.8 × 9.9 mm42.9 × 28.8 × 9.9 mm
Weight18.5 g without strap18.5 g body only (band excluded)
Build materialsAluminum caseAluminum body with display cover glass
Wrist sizeBand fit varies by supplied strap configurationBand fit varies by supplied strap configuration
Strap / bandFluoroelastomer Sport BandQuick-release sport band; color varies by configuration
Controls / buttonsTouchscreen and one side buttonHome button and touchscreen

Memory & software

Memory & software specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
Memory / RAM16 MB—
Storage256 MB256 MB
Operating systemFreeRTOSFreeRTOS

Health & fitness

Health & fitness specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
SensorsAccelerometer; gyroscope; optical heart-rate sensor; barometer; light sensorAccelerometer, barometer, gyroscope, optical heart-rate sensor, and ambient-light sensor
Health & wellness featuresHeart rate; high and low heart-rate alerts; SpO₂; stress; menstrual-cycle trackingHeart rate, blood oxygen, stress and menstrual-cycle tracking; body composition and ECG are not supported
Sleep trackingSleep monitoringSleep monitoring and coaching when paired with Samsung Health
Sports / workout modesMore than 100 workout types with automatic workout detectionMore than 100 workout types with automatic workout detection

Smart features

Smart features specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
Smart features / notificationsPhone notifications; preset text replies; camera and media control; phone-mode syncing—
Safety & emergency featuresFall detection; SOS emergency calling through paired Galaxy phoneFall detection and SOS features when paired with a compatible Galaxy phone

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
Battery capacity208 mAh208 mAh typical
Battery lifeUp to 13 daysUp to 13 days with always-on display off; up to approximately 3.5 days with always-on display enabled
ChargingMagnetic POGO-pin chargingMagnetic USB-C charging cable
Water resistance5 ATM; IP685 ATM rated

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
Phone compatibilityAndroid 10.0 or later; at least 1.5 GB RAM; Google Mobile ServicesCompatible Android smartphones; Samsung account and Galaxy Wearable/Samsung Health apps required; some features require a Galaxy phone
Companion appGalaxy Wearable and Samsung HealthGalaxy Wearable and Samsung Health
ColorsDark Gray; Silver; Pink GoldGray, Silver, or Pink Gold

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Fit 3Samsung Galaxy Fit 4
case materialAluminum—
packing listCharging adapter; Sport Band; quick start guide—
smart recognitionAutomatic workout detection—

Similarities

  • Both have 208 mAh batteries.
  • Both have an aluminium case.
  • Both are water resistant to 50 m.
  • Both are rated for up to 13 days on a charge.
  • Both have OLED displays.
  • Both run FreeRTOS.

In summary

The Samsung Galaxy Fit 4 is the better buy for almost everyone, with ECG heart-rhythm readings.

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In-stock alternatives

Xiaomi Smart Band 10For Samsung Galaxy Fit 3Xiaomi Smart Band 10View product ↗Huawei Band 9For Samsung Galaxy Fit 3Huawei Band 9View product ↗Huawei Band 11For Samsung Galaxy Fit 4Huawei Band 11View product ↗

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