Garmin fēnix 8 (47mm AMOLED) vs Samsung Galaxy Watch 8 Classic
The Garmin fēnix 8 (47mm AMOLED) is the flagship option here, and its stunning 1.4" AMOLED display and 16-day battery life make it a powerhouse for outdoor enthusiasts. In real-world use, the dive computer features rated to 40m make it a no-brainer for divers and adventurers alike. The Samsung Galaxy Watch 8 Classic has a unique physical rotating bezel that offers intuitive navigation, but it has a smaller 1.34" display. With a battery life of up to 49 hours, it’s great for daily wear, but if you're looking for extensive features in sports or diving, the Garmin wins with its comprehensive capabilities and rugged design.
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Garmin fēnix 8 (47mm AMOLED)

Samsung Galaxy Watch 8 Classic
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Garmin fēnix 8 (47mm AMOLED) vs Samsung Galaxy Watch 8 Classic

Garmin fēnix 8 (47mm AMOLED)

Samsung Galaxy Watch 8 Classic
| Criterion | Garmin fēnix 8 (47mm AMOLED) | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Rating | ★4.6(1,856)Amazon | ★4.5(920)Amazon |
Compatibility | iPhone, Android (Garmin Connect app required) | Android 12.0 or higher with 1.5GB+ RAM (Galaxy phone required for full feature set) |
Operating System | Garmin OS (Proprietary) | Wear OS 6 (Powered by Samsung) with One UI 8 Watch |
Case Size | 47mm x 47mm x 13.8mm | 46mm (46.4 x 46.0 x 10.6 mm) |
Case Material | Fiber-reinforced polymer with metal rear cover; Bezel: Titanium or Stainless Steel; Lens: Sapphire Crystal or Corning Gorilla Glass | Stainless steel case; Sapphire Crystal glass (Front and Back) |
Display Type | AMOLED; Always-On Mode available; 1000 nits peak brightness | Super AMOLED Color Always-On Display |
Display Size | 1.4 in (35.56 mm) diameter | 1.34 in (34.0 mm) |
Resolution | 454 x 454 pixels | 438 x 438 pixels (327 ppi) |
Always On Display | Yes (optional) | Yes (Up to 3,000 nits peak brightness) |
Water Resistance | 10 ATM (water pressure equivalent to 100 meters); Dive rated (EN13319) to 40 meters | 5 ATM + IP68 (Water resistant up to 50 meters) |
Durability | MIL-STD-810H thermal/shock/water tested; Leakproof inductive buttons; Metal sensor guard | MIL-STD-810H military standard; Stainless steel frame |
GPS | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo, QZSS, BeiDou | Dual-band GPS (L1+L5); GLONASS, Galileo, BeiDou |
Connectivity | Bluetooth; ANT+; Wi-Fi | LTE (Optional); Bluetooth 5.3; Wi-Fi 802.11 a/b/g/n (2.4+5GHz); NFC |
NFC Payments | Garmin Pay | Samsung Wallet; Google Pay |
Sensors | Elevate Gen 5 optical heart rate sensor; Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer; Ambient light sensor; Depth sensor (up to 40m) | Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart Signal + BIA); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor; 3D Hall sensor |
Health Features | Body Battery energy monitoring; Sleep Score and advanced sleep monitoring; HDR (High Dynamic Range) Heart Rate; HRV Status; Pulse Ox; Nap detection; Jet Lag Adviser; Health Snapshot | Vascular Load monitoring; Antioxidant Index (AGEs); Sleep Apnea detection; ECG; Blood Pressure (market dependent); Body Composition (BIA); Cycle Tracking with skin temp |
Workout Modes | Advanced Strength Training (sport-specific); Recreational Scuba Diving (Single Gas); Apnea Diving; HIIT; Trail Run; Ultra Run; Triathlon; Skiing; Surfing; Golf (43,000+ courses); and 100+ others | Advanced Running Coach; Multisport tile; Race partner; Heart Rate Zones; Auto-detection for workouts |
Storage | 32GB | 64GB |
Speaker Mic | Built-in Speaker; Built-in Microphone (Voice Assistant & Voice Notes) | Speaker (supports media/calls/Gemini); Microphone |
Calls | Yes (Make and take calls via Bluetooth connection to smartphone) | Yes (via Bluetooth or standalone on LTE models) |
Battery | Smartwatch mode: Up to 16 days (7 days always-on); GPS Only: Up to 47 hours (37 hours always-on); Expedition GPS: Up to 14 days | 445 mAh; Up to 49 hours (typical usage); Fast wireless charging (WPC) |
Charging | Garmin proprietary plug charger (clip-on data cable) | Fast Wireless Charging |
Weight | Stainless Steel: 80g (Case only: 59g); Titanium: 73g (Case only: 52g) | 63.5 g (without strap) |
Band Sizes | Fits wrists 125–208mm (Silicone); QuickFit 22mm compatible | 20mm standard (One Click system supported) |
Extras | Built-in LED Flashlight (Red/White strobes); Dynamic Round-Trip Routing; Garmin Messenger app; Outdoor Maps+ (subscription optional); SkiView Maps | Physical rotating bezel; Integrated Google Gemini AI; Gesture controls (Double pinch); Customizable Quick Button |
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Garmin fēnix 8 (47mm AMOLED)
✓ Pros:
- • Stunning 1.4" AMOLED display with efficient 16-day battery life
- • Legitimate dive computer features (rated to 40m) with leakproof buttons
- • Built-in LED flashlight and speaker/mic add massive daily utility
- • Comprehensive offline mapping and best-in-class GPS accuracy
- • Advanced strength training plans tailored to specific sports
✗ Cons:
- • High price point compared to previous generations and competitors
- • No LTE/Cellular option for standalone calls (requires phone nearby)
- • Titanium models with Sapphire glass command a significant premium
- • Proprietary charging cable (not wireless/Qi standard)
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Samsung Galaxy Watch 8 Classic
✓ Pros:
- • Iconic physical rotating bezel for intuitive navigation
- • Display brightness doubled to 3,000 nits (matches Ultra model)
- • Storage capacity increased to 64GB (up from 16/32GB in previous Classics)
- • Premium stainless steel build looks more like a traditional timepiece
✗ Cons:
- • Small 1.34" screen relative to the large 46mm case size (bezel takes up space)
- • Significantly heavier (63.5g) than the aluminum standard models
- • Battery (445 mAh) is smaller than the Galaxy Watch Ultra (590 mAh)
- • Some health features (AGEs, BP) are Samsung Galaxy phone exclusive
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Which one is better?
The Garmin fēnix 8 (47mm AMOLED) is the better buy for most people - its 16-day battery life crushes the Samsung Galaxy Watch 8 Classic's 49 hours. That said, grab the Galaxy Watch 8 Classic if you want a lighter watch that’s easier for everyday use - it's lighter.
Who should buy each?
Choose the Garmin fēnix 8 (47mm AMOLED) if: you need a watch with a battery lasting up to 16 days, you engage in diving or extreme sports, or you want advanced health features like body battery monitoring.
Choose the Samsung Galaxy Watch 8 Classic if: you prefer a stylish watch with a physical rotating bezel, you want a lighter option for daily wear, or you need features like ECG and blood pressure monitoring. (2.24 oz weight, 64 GB storage)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Frequently Asked Questions
+Which has better value?
Garmin fēnix 8 (47mm AMOLED) excels if you value stunning 1.4" amoled display with efficient 16-day battery life. Samsung Galaxy Watch 8 Classic is better if you prioritize iconic physical rotating bezel for intuitive navigation. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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