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Wearable comparison

AmazFit Pop 3s vs Samsung Galaxy Fit 4

Compare battery life, health tracking, display and fit.

Compared products
01Selected
AmazFit Pop 3s

AmazFit Pop 3s

  • Screen: 410 × 502 pixels; 330 ppi.
  • 300 mAh battery capacity.
  • IP68 rating.
  • 350 KB SRAM.
  • 16 MB.
KSh 7,500In 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 spaces available

Huawei Band 10KSh 7,000
AmazFit Pop 3RKSh 6,700
Oraimo Watch 2 ProKSh 7,000
Oraimo Watch ER OSW-42KSh 7,000
Oraimo Watch Nova Pro AMKSh 8,000
CMF Watch ProKSh 8,500
CMF Watch Pro 2KSh 8,000
2 of 4 products

Our quick verdict

The AmazFit Pop 3s has a much bigger battery (300 mAh), works with Android phones and iPhones and has a larger 1.96-inch, sharper screen, while the Samsung Galaxy Fit 4 takes ECG heart-rhythm readings, is lighter to wear all day and has a sturdier aluminium build.

Display

AmazFit Pop 3s
410 × 502 pixels; 330 ppi
Samsung Galaxy Fit 4
256 × 402 pixels

Capacity

AmazFit Pop 3s
300 mAh battery capacity
Samsung Galaxy Fit 4
208 mAh battery capacity

Portability

AmazFit Pop 3s
35.6 g
Samsung Galaxy Fit 4
18.5 g

Storage

AmazFit Pop 3s
16 MB
Samsung Galaxy Fit 4
256 MB

Water resistance

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

Key differences

The main differences to help you choose.

AmazFit Pop 3s

  • Bigger battery: 300 mAh (vs 208 mAh).
  • Larger 1.96-inch screen (vs 1.6-inch).
  • Works with Android phones and iPhones.
  • Higher screen resolution: 410 × 502 (vs 256 × 402).

Samsung Galaxy Fit 4

  • Lighter: 18.5 g (vs 35.6 g).
  • ECG heart-rhythm readings.
  • Aluminium case (vs plastic case).
  • 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
PriorityAmazFit Pop 3sSamsung Galaxy Fit 4
Battery life300 mAh battery208 mAh battery
Storage16 MB256 MB
Display1.96-inch OLED display, 330 ppi1.6-inch OLED display
Water resistanceIP68 water and dust resistance5 ATM rated
SoftwareZepp ActiveFreeRTOS
ConnectionsBluetooth 5.2Bluetooth 5.3

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
Display1.96-inch AMOLED; always-on display1.6-inch AMOLED, 16 million colors
Screen resolution410 × 502 pixels; 330 ppi256 × 402 pixels
Display protection2.5D curved glass—
Display features—Always-on display supported; reduces battery life

Connectivity

Connectivity specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
BluetoothBluetooth 5.2 BLEBluetooth 5.3
NFCNot supported—
Positioning / GNSSNo built-in GPS—

Identity & design

Identity & design specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
BrandAmazfitSamsung
ModelAmazFit Pop 3sSamsung Galaxy Fit 4
AnnouncedJune 2023February 2027
Dimensions52.7 × 38.4 × 10.4 mm42.9 × 28.8 × 9.9 mm
Weight35.6 g without strap; 53.57 g with silicone strap18.5 g body only (band excluded)
Build materialsZinc-alloy frame; plastic bottom shellAluminum body with display cover glass
Strap / bandSiliconeQuick-release sport band; color varies by configuration
Controls / buttons1 button; touchscreenHome button and touchscreen
Wrist size—Band fit varies by supplied strap configuration

Performance & software

Performance & software specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
RAM350 KB SRAM; 4 MB PSRAM—
Storage16 MB256 MB

Audio & communication

Audio & communication specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
SpeakerSupported—
MicrophoneSupported—
CallingBluetooth calling—

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
SensorsOptical heart-rate and blood-oxygen sensor; accelerometerAccelerometer, barometer, gyroscope, optical heart-rate sensor, and ambient-light sensor
Health & wellness features24-hour heart rate; SpO₂; stress; high heart-rate alertsHeart rate, blood oxygen, stress and menstrual-cycle tracking; body composition and ECG are not supported
Sleep trackingDeep and light sleep; awake time; sleep and wake timesSleep monitoring and coaching when paired with Samsung Health
Sports / workout modes100+ sports modesMore than 100 workout types with automatic workout detection

Battery & durability

Battery & durability specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
Battery capacity300 mAh208 mAh typical
Battery lifeUp to 12 days typical useUp to 13 days with always-on display off; up to approximately 3.5 days with always-on display enabled
ChargingMagnetic contact chargingMagnetic USB-C charging cable
Water resistanceIP685 ATM rated
Durability / certificationsIP68 dust and water resistance—

Compatibility

Compatibility specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
Phone compatibilityAndroid 6 or later; iOS 12 or laterCompatible Android smartphones; Samsung account and Galaxy Wearable/Samsung Health apps required; some features require a Galaxy phone
Companion appZepp ActiveGalaxy Wearable and Samsung Health
ColorsBlack, Silver, Metallic Silver or Metallic BlackGray, Silver, or Pink Gold

Additional specifications

Additional specifications specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
Case materialZinc alloy; plastic—
Pixels per inch330 ppi—
Peak brightness400 nits—

Memory & software

Memory & software specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
Operating system—FreeRTOS

Smart features

Smart features specifications comparison
SpecificationAmazFit Pop 3sSamsung Galaxy Fit 4
Safety & emergency features—Fall detection and SOS features when paired with a compatible Galaxy phone

Similarities

  • Both have OLED displays.
  • Both connect over Bluetooth.

In summary

Get the AmazFit Pop 3s if you want a much bigger battery and a choice of Android phone or iPhone, or the Samsung Galaxy Fit 4 if you would rather have ECG heart-rhythm readings and a lighter watch for all-day wear.

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In-stock alternatives

Oraimo Watch 2 ProFor AmazFit Pop 3sOraimo Watch 2 ProView product ↗Oraimo Watch ER OSW-42For AmazFit Pop 3sOraimo Watch ER OSW-42View product ↗Huawei Band 9For Samsung Galaxy Fit 4Huawei Band 9View product ↗Oraimo Watch Nova Pro AMFor Samsung Galaxy Fit 4Oraimo Watch Nova Pro AMView product ↗

Related comparisons

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