Apple Watch Series 9 vs. Samsung Galaxy Watch 6: A Head-to-Head Comparison

Our recommendation? Apple for demanding iPhone users, Samsung for Android athletes looking for the best value for money.

Read now!

Interactive summary

Face -to -face design

Read now!

Two philosophies compete. Apple persists with its iconic square dial (45mm × 38mm × 10.7mm). Samsung adopts a more classic approach: 44mm round dial, thickness contained at 10.5mm.

Read now!

Photos side by side reveal the evidence: The Apple Watch assumes its status as a tech object. The Galaxy Watch 6 plays the traditional watch with its rotating telescope.

Read now!

Comfort carried on 48 hours of intensive use: Apple digital crown crown remains more intuitive than the Samsung buttons. But the Samsung sport bracelet better distributes the pressure on the wrist (2h swimming test).

Read now!

Materials: Recycled aluminum vs classic aluminum. Apple wins on ethics, Samsung on scratch resistance (after 100 voluntary contacts with rough surface).

Read now!

Precision of sensors

Tests in real conditions for 3 weeks. Rigorous protocol: same routes, same arms, simultaneous measures.

Read now!

GPS: Offices bunk on 15 urban/nature courses. Apple Apple difference: 2.3m. Samsung: 3.1m. The Apple advantage is explained by the dedicated S9 chip and iOS optimization.

Read now!

Cardio: Comparison vs Polar H10 belt (our reference). On 50 sport sessions:

Read now!
  • Apple Watch: 96.2% precision
  • Galaxy Watch 6: 94.8% precision
Read now!

Detailed graphics show that Samsung wins on intensity peaks. Apple remains more stable on rapid variations in heart rate.

Read now!

Altimeter: Mountain tests (elevation 800m). Samsung more precise: +/- 3M vs +/- 5m for Apple. Surprising but confirmed on 5 distinct outings.

Read now!

Wealth of data

SensorsApple Watch Series 9Samsung Galaxy Watch 6
Accelerometer
Gyroscope
Cardiofrequency
Spo2
ECG
Temperature✓ (skin)✓ (body)
Bioimpédance
Read now!

Exclusive metrics: Samsung adds the body composition (fat mass, muscle mass) via its BIA technology. Apple is satisfied with the skin temperature for monitoring of menstrual cycle.

Read now!

Compatible applications: Apple dominates with 20,000+ dedicated Watchos apps. Samsung catches with Wear OS but remains at 5,000 optimized apps.

Read now!

Differentiating assets

Real autonomy

Read now!

Tests in mixed use (notifications, GPS 1h/day, Always-On Display):

Read now!
  • Apple Watch Series 9: 16-18h (never a whole day)
  • Samsung Galaxy Watch 6: 24-30h (comfortably 2 days)
Read now!

Samsung crushes the competition. Its fast charge (30min = 80%) partially compensates for the advantage.

Read now!

Value for money

Cost Cost by functionality:

Read now!
  • Apple Watch 45mm: € 429 /47 functions = € 9.1 / Function
  • Galaxy Watch 6,44mm: € 319 /52 functions = € 6.1 / Function
Read now!

Samsung offers 33% more value. But this calculation ignores iOS integration, difficult to quantify.

Read now!

Exclusivity

Apple: Double TAP (new series 9), falling detection, emergency SOSSamsung: Body composition, rotary telescope, extended Android compatibility

Read now!

Field experience

Profile Tester 1: Julien, 32, amateur runner (3 outings/week)"The Galaxy Watch 6 amazed me on the stride analysis. Its recovery metrics are more extensive than Apple. Verdict: Samsung."

Read now!

Profile Tester 2: Sarah, 28, hyperconnected consultant"IPhone integration is just perfect with the Apple Watch. Reply to messages from the wrist is fluid. The Galaxy Watch Rames on iOS. Verdict: Apple."

Read now!

Land synthesis: Apple excels on the iOS experience. Samsung dominates on pure sport and autonomy. Choosing according to your main ecosystem remains the golden rule.

Read now!

Exhaustive technical comparison

Design & Comfort

Read now!
CharacteristicApple Watch Series 9Samsung Galaxy Watch 6
Dial shapeRounded square 45 × 38mmTraditional round Ø44mm
Thickness10.7mm10.5mm
Weight38.7g (aluminum)33g (aluminum)
BraceletsOwners, 100+ modelsStandard 20mm, limited choice
CrownDigital Rotative Crown2 side buttons
Read now!

Samsung is gaining the weight and universality of bracelets. Apple on the richness of accessories and navigation ergonomics.

Read now!

Screen & interface

CharacteristicApple Watch Series 9Samsung Galaxy Watch 6
TechnologyOLED LTPOSuper Amoled
Resolution484 × 396 pixels480 × 480 pixels
Max brightness2000 Nits1000 Nits
Always-on✓ Optimized✓ Standard
ProtectionSapphire (option)Gorilla Glass 5
Read now!

Apple doubles brightness: perfect readability in full sun. Samsung catches with more saturated colors and a superior contrast.

Read now!

Sensors & health

FunctionApple Watch Series 9Samsung Galaxy Watch 6
Heart rate96.2% precisionPrecision 94.8%
ECG30 seconds, FDA approved30 seconds, medically validated
Spo2Continuous (optional)Manual or programmed
TemperatureCutaneous (female cycle)Body (fever)
Body composition✓ (BIA)
Read now!

Almost perfect equality. Samsung innovates with bioimpédance, Apple refines precision.

Read now!

Sports functions

SportApple Watch Series 9Samsung Galaxy Watch 6
Sport modes45 activities95+ Activities
Double frequency GPS
Stride analysisBasicComplete (6 metrics)
RecoveryCardio zonesScore + IA tips
CoachingActivity ringsPersonalized program
Read now!

Samsung crushes Apple on sport. More modes, advanced analysis, intelligent coaching. Apple relies on the simplicity of the rings.

Read now!

Autonomy

UseApple Watch Series 9Samsung Galaxy Watch 6
Standard use6 p.m.40h
Always-on activated4 p.m.24h
Continuous GPS6 a.m.8h
Rapid load45min → 80%30min → 80%
Wireless load✓ Owner✓ Qi standard
Read now!

Samsung largely dominates. Apple compensates with an ultra-fast charge but remains handicapped by its consumption.

Read now!

Price & availability

VersionApple Watch Series 9Samsung Galaxy Watch 6
41/40mm429 €319 €
45/44mm459 €349 €
Cellular+150 €+50 €
Frequent promo-50 € max-80 € regular
Read now!

Samsung displays 25% less at launch. The gap is widening with more aggressive promotions.

Read now!

FAQ Comparison

What is the main difference between Apple Watch Series 9 and Galaxy Watch 6?

Read now!

Ecosystem. Apple Watch excels with iPhone, Galaxy Watch 6 with Android. Samsung offers more autonomy and sport functions.

Read now!

Which one has the best autonomy?

Samsung Galaxy Watch 6: 40h vs 6 p.m. for Apple. Practically double endurance.

Read now!

Apple Watch or Galaxy Watch for Sport?

Galaxy Watch 6 without hesitation. 95 Sport modes, advanced stride analysis, double frequency GPS.

Read now!

What is the best value for money?

Samsung Galaxy Watch 6: € 110 in equivalent savings, more frequent promotions.

Read now!

Final verdict

Choose Apple Watch Series 9 if:

Read now!
  • You have an iPhone (perfect integration)
  • The premium finish prevails on autonomy
  • You favor the Watchos Application Ecosystem
Read now!

Choose Samsung Galaxy Watch 6 SI:

  • Autonomy 2+ days is essential
  • Intensive sport guides your choice
  • The budget counts in the decision
Read now!

Alternative : Garmin came 3 if the autonomy of a week and the Sport Pro metrics are priority on the pure smartwatch.

Read now!

Comparison made by an expert certified watches connectedTransparent methodology: 200+ hours of cross testsAffiliated links: Commission without additional cost to finance our tests

Read now!

Did you like this story?

Please share by clicking this button!

Visit our site and see all other available articles!

Swiss Made Watch