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Wearable comparison

Samsung Galaxy Watch 7 vs Amazfit Helio Strap

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Watch 7

Samsung Galaxy Watch 7

  • Screen: 44 mm: 480 × 480 pixels; 40 mm: 432 × 432 pixels.
  • Exynos W1000, 3 nm processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS 5; One UI 6 Watch.
KSh 22,500In Stock
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02
Amazfit Helio Strap

Amazfit Helio Strap

  • 20 g.
  • 232 mAh battery capacity.
  • Screenless.
  • Bluetooth 5.2.
  • 5 ATM.
KSh 22,000Out of Stock

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2 of 4 products

Our quick verdict

The Amazfit Helio Strap, a screenless tracker you read in the Zepp app, lasts longer between charges (up to 10 days), works with Android phones and iPhones and gives daily BioCharge energy levels, while the Samsung Galaxy Watch 7, a smartwatch with a 1.5-inch OLED screen, takes ECG heart-rhythm readings, has a sturdier aluminium build and offers hypertension notifications.

Battery life

Samsung Galaxy Watch 7
Up to 40 hours per charge
Amazfit Helio Strap
232 mAh battery

Portability

Samsung Galaxy Watch 7
33.8 g
Amazfit Helio Strap
20 g

Display

Samsung Galaxy Watch 7
1.5-inch OLED display
Amazfit Helio Strap
Screenless

Software

Samsung Galaxy Watch 7
Wear OS 5
Amazfit Helio Strap
Zepp

Connections

Samsung Galaxy Watch 7
Bluetooth 5.3
Amazfit Helio Strap
Bluetooth 5.2

Key differences

The main differences to help you choose.

Samsung Galaxy Watch 7

  • Screen on the wrist for the time, notifications and workout stats.
  • ECG heart-rhythm readings.
  • Aluminium case (vs plastic case).
  • Blood-pressure (hypertension) notifications.
  • Slimmer: 9.7 mm thick (vs 10.59 mm).

Amazfit Helio Strap

  • Longer rated battery life: up to 10 days (vs 40 hours).
  • Works with Android phones and iPhones.
  • Lighter: 20 g (vs 33.8 g).
  • Screenless: worn day and night, with results read in the Zepp app.
  • Daily BioCharge energy levels.
  • Syncs with third-party apps such as Strava and Apple Health.

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
PrioritySamsung Galaxy Watch 7Amazfit Helio Strap
Battery lifeUp to 40 hours per charge232 mAh battery
Display1.5-inch OLED displayScreenless
SoftwareWear OS 5Zepp
ConnectionsBluetooth 5.3Bluetooth 5.2
Battery capacity44 mm: 425 mAh232 mAh battery
Water resistanceIP68 water and dust resistance5 ATM

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
Display44 mm: 1.5-inch Super AMOLED; 40 mm: 1.3-inch Super AMOLEDScreenless
Screen resolution44 mm: 480 × 480 pixels; 40 mm: 432 × 432 pixelsNot applicable
Display protectionSapphire crystal—
Display featuresFull-colour always-on display—

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
Network / cellularGSM / HSPA / LTE—
SIM / eSIMeSIM—
Wi-FiWi-Fi 2.4 GHz + 5 GHz—
BluetoothBluetooth 5.3Bluetooth 5.2 BLE
NFCSupported—
Positioning / GNSSDual-frequency GPS, L1 + L5; GLONASS; BeiDou; Galileo—

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
BrandSamsungAmazfit
ModelSamsung Galaxy Watch 7Amazfit Helio Strap
Announced2024, July 10—
Dimensions44 mm: 44.4 × 44.4 × 9.7 mm; 40 mm: 40.4 × 40.4 × 9.7 mm33.97 × 24.3 × 10.59 mm without sensor
Weight44 mm: 33.8 g; 40 mm: 28.8 g, without band20 g
Build materialsAluminum caseFibre-reinforced polymer
Controls / buttonsTouchscreen and physical buttonsScreen-free smart band with indicator lights; controls and data are managed through the Zepp app
Wrist size—145–205 mm
Strap / band—22 mm nylon; hook-and-loop fastening

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
ProcessorExynos W1000, 3 nm—
CPU5-core—
GPUMali-G68—
RAM2 GB—
Storage32 GB—
Operating systemWear OS 5; One UI 6 Watch—

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
SpeakerSupported—
MicrophoneSupported—
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editions—

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensorBioTracker 6.0 PPG; 5 PD + 2 LED; accelerometer; gyroscope; temperature
Health & wellness featuresHeart-rate monitoring, ECG, blood pressure, body composition, blood oxygen, skin temperature and Energy Score; availability varies by market and paired phoneBioCharge energy levels; continuous heart rate per second; SpO₂; stress; PAI; heart-rate recovery
Sleep trackingSleep tracking, sleep coaching and sleep-apnoea features where availableSleep HRV; sleep stages including REM; naps; sleep schedule; breathing quality; sleep score
Sports / workout modesMultiple workout modes with automatic workout detection50+ sports modes
Training & outdoor featuresDual-frequency route tracking; personalised heart-rate zones and running metricsPeakBeats; real-time Bluetooth heart-rate broadcast; offline heart-rate storage for 21 days; heart-rate sync to compatible watches
Safety & emergency featuresFall detection and SOS features when configured—

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
Battery capacity44 mm: 425 mAh; 40 mm: 300 mAh232 mAh rated
Battery lifeUp to 40 hours with Always-On Display offUp to 10 days typical use
ChargingFast wireless charging, WPC-basedMagnetic charging head
Water resistance5 ATM; IP685 ATM
Durability / certificationsMIL-STD-810H—

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
Phone compatibilityAndroid 11.0 or later; more than 1.5 GB RAMAndroid 7 or later; iOS 15 or later
Companion appGalaxy Wearable; Samsung HealthZepp
Colors44 mm: Green, Silver; 40 mm: Green, CreamBlack

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch 7Amazfit Helio Strap
Case materialAluminumFibre-reinforced polymer
Release statusAvailable. Released 2024, July 24—
Model numbersSM-L310F, SM-L315F—
Card slotNo—
CameraNo—
3.5 mm headphone jackNo—
USBNo—
RadioNo—
2G bandsGSM 850 / 900 / 1800 / 1900—
3G bandsHSDPA 850 / 900 / 2100—
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71—
Network speedHSPA, LTE—
SAR (EU)0.73 W/kg (head) 1.85 W/kg (body)—
Additional durability featuresArmor Aluminum 2—
Packing list—Smart band and strap assembled; magnetic charging head; instruction manual
Smart recognition—25 strength-training movements
Third-party fitness apps—Strava; adidas Running; TrainingPeaks; komoot; Relive; Google Fit; Apple Health
Vibration motor—Rotor motor
Charging time—Less than 2 hours from empty
Smart recognition—Recognizes 25 strength-training movements
Offline data storage—Stores up to 21 days of offline heart-rate data
Real-time heart-rate broadcast—Supported; heart rate can be synchronized to compatible third-party smartwatches
Workout status—PeakBeats training-status system
Energy, load and readiness features—BioCharge energy-level tracking
Other health features—PAI health assessment and heart-rate recovery
Third-party fitness apps—Strava, TrainingPeaks, adidas Running, Runna, komoot, Relive, Google Fit and Apple Health; availability varies by region and platform
Packing list—Smart band and strap assembled, magnetic charging head without cable, and instruction manual
Packaging materials—Made with 100% recyclable materials

Similarities

  • Both are water resistant to 50 m.
  • Both connect over Bluetooth.

In summary

Get the Amazfit Helio Strap if you want a screenless tracker with longer battery life, or the Samsung Galaxy Watch 7 if you would rather have ECG heart-rhythm readings.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy Watch 6For Samsung Galaxy Watch 7Samsung Galaxy Watch 6View product ↗Amazfit Active 2 Premium RoundFor Samsung Galaxy Watch 7Amazfit Active 2 Premium RoundView product ↗Xiaomi Watch S4For Amazfit Helio StrapXiaomi Watch S4View product ↗Huawei Watch GT 5For Amazfit Helio StrapHuawei Watch GT 5View product ↗

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