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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, ManufacturerGarmin fēnix 8 (47mm AMOLED) vs Garmin Forerunner 965
The Garmin fēnix 8 (47mm AMOLED) is the premium option here, offering impressive features like a 10 ATM water resistance rating, which is perfect for divers. In contrast, the Garmin Forerunner 965 shines with an outstanding 23-day battery life, making it ideal for long training sessions without frequent charging. After testing both devices, the key difference is their suitability for specific activities. The fēnix 8 is built for rugged outdoor adventures with its dive capabilities, while the Forerunner 965’s lightweight design and extended battery life cater more to runners and fitness enthusiasts who prioritize comfort and longevity over diving features.
⚖️ Weight: 2.58 oz vs 1.87 oz🏷️ Water Resistance: 10 ATM vs 5 ATM🔋 Battery: 16 days vs 23 days
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Garmin fēnix 8 (47mm AMOLED)
★4.6
(1,856)•Amazon
Compatibility:iPhone, Android (Garmin Connect app required)
Operating System:Garmin OS (Proprietary)
Case Size:47mm x 47mm x 13.8mm
Case Material:Fiber-reinforced polymer with metal rear cover; Bezel: Titanium or Stainless Steel; Lens: Sapphire Crystal or Corning Gorilla Glass
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Garmin Forerunner 965
★4.7
(1,717)•Amazon
Compatibility:iPhone, Android (Garmin Connect app required)
Operating System:Garmin OS (Proprietary)
Case Size:47.2 x 47.2 x 13.2 mm
Case Material:Fiber-reinforced polymer case; Titanium bezel; Corning Gorilla Glass 3 DX lens
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Key spec differences
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
Winner= clear advantage
Spec
Garmin fēnix 8 (47mm AMOLED)
Garmin Forerunner 965
Display1 specs
Display SizeKey
Garmin fēnix 8 (47mm AMOLED)
1.4 in (35.56 mm) diameter
Garmin Forerunner 965
1.4 in (35.4 mm) diameter
Battery1 specs
Battery CapacityKey
Garmin fēnix 8 (47mm AMOLED)
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
Garmin Forerunner 965
Smartwatch mode: Up to 23 days; GPS Only: Up to 31 hours; SatIQ (AutoSelect) GNSS: Up to 22 hours; All-Systems GNSS + Multi-Band: Up to 19 hours
Design2 specs
Weight
Garmin fēnix 8 (47mm AMOLED)
Stainless Steel: 80g (Case only: 59g); Titanium: 73g (Case only: 52g)
Garmin Forerunner 965
53 gWinner
Water Resistance
Garmin fēnix 8 (47mm AMOLED)
10 ATM (water pressure equivalent to 100 meters); Dive rated (EN13319) to 40 meters
Garmin Forerunner 965
5 ATM (water pressure equivalent to 50 meters); Swimproof
+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 Garmin Forerunner 965
Garmin fēnix 8 (47mm AMOLED)
★4.6(1,856)Amazon
Garmin Forerunner 965
★4.7(1,717)Amazon
| Criterion | Garmin fēnix 8 (47mm AMOLED) | Garmin Forerunner 965 |
|---|---|---|
| Rating | ★4.6(1,856)Amazon | ★4.7(1,717)Amazon |
Compatibility | iPhone, Android (Garmin Connect app required) | iPhone, Android (Garmin Connect app required) |
Operating System | Garmin OS (Proprietary) | Garmin OS (Proprietary) |
Case Size | 47mm x 47mm x 13.8mm | 47.2 x 47.2 x 13.2 mm |
Case Material | Fiber-reinforced polymer with metal rear cover; Bezel: Titanium or Stainless Steel; Lens: Sapphire Crystal or Corning Gorilla Glass | Fiber-reinforced polymer case; Titanium bezel; Corning Gorilla Glass 3 DX lens |
Display Type | AMOLED; Always-On Mode available; 1000 nits peak brightness | AMOLED; Always-On Mode available |
Display Size | 1.4 in (35.56 mm) diameter | 1.4 in (35.4 mm) diameter |
Resolution | 454 x 454 pixels | 454 x 454 pixels |
Always On Display | Yes (optional) | Yes (optional) |
Water Resistance | 10 ATM (water pressure equivalent to 100 meters); Dive rated (EN13319) to 40 meters | 5 ATM (water pressure equivalent to 50 meters); Swimproof |
Durability | MIL-STD-810H thermal/shock/water tested; Leakproof inductive buttons; Metal sensor guard | Corning Gorilla Glass 3 DX lens; Titanium bezel adds rigidity |
GPS | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo, QZSS, BeiDou | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo |
Connectivity | Bluetooth; ANT+; Wi-Fi | Bluetooth; ANT+; Wi-Fi |
NFC Payments | Garmin Pay | Garmin 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) | Elevate Gen 4 optical heart rate sensor; Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer; Ambient light 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 | Morning Report; Training Readiness; HRV Status; Sleep Score; Body Battery; Pulse Ox; Women’s Health Tracking; Health Snapshot |
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 | Triathlon; Duathlon; Brick Workouts; Track Run; Ultra Run; Virtual Run; Cycling (Road, MTB, Gravel, eBike); Swimming (Pool, Open Water); Hiking; Strength; HIIT; Yoga; Pilates |
Storage | 32GB | 32GB |
Speaker Mic | Built-in Speaker; Built-in Microphone (Voice Assistant & Voice Notes) | None (Audio prompts via connected Bluetooth headphones only) |
Calls | Yes (Make and take calls via Bluetooth connection to smartphone) | No (Can accept/decline calls to control phone; Android users can send text replies) |
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 | Smartwatch mode: Up to 23 days; GPS Only: Up to 31 hours; SatIQ (AutoSelect) GNSS: Up to 22 hours; All-Systems GNSS + Multi-Band: Up to 19 hours |
Charging | Garmin proprietary plug charger (clip-on data cable) | Garmin proprietary plug charger (USB-C cable included) |
Weight | Stainless Steel: 80g (Case only: 59g); Titanium: 73g (Case only: 52g) | 53 g |
Band Sizes | Fits wrists 125–208mm (Silicone); QuickFit 22mm compatible | Fits wrists 135–205 mm (Silicone band included); Compatible with 22mm QuickFit bands (requires tool to remove original pin) |
Extras | Built-in LED Flashlight (Red/White strobes); Dynamic Round-Trip Routing; Garmin Messenger app; Outdoor Maps+ (subscription optional); SkiView Maps | Preloaded TopoActive Maps; Full-color mapping navigation; Garmin Music (Spotify/Deezer/Amazon Music offline); PacePro; ClimbPro; Real-time Stamina |
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Garmin fēnix 8 (47mm AMOLED)
Rating:★4.6(1,856)Amazon
Compatibility:iPhone, Android (Garmin Connect app required)
Operating System:Garmin OS (Proprietary)
Case Size:47mm x 47mm x 13.8mm
Case Material:Fiber-reinforced polymer with metal rear cover; Bezel: Titanium or Stainless Steel; Lens: Sapphire Crystal or Corning Gorilla Glass
Display Type:AMOLED; Always-On Mode available; 1000 nits peak brightness
Display Size:1.4 in (35.56 mm) diameter
Resolution:454 x 454 pixels
Always On Display:Yes (optional)
Water Resistance:10 ATM (water pressure equivalent to 100 meters); Dive rated (EN13319) to 40 meters
Durability:MIL-STD-810H thermal/shock/water tested; Leakproof inductive buttons; Metal sensor guard
GPS:Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo, QZSS, BeiDou
Connectivity:Bluetooth; ANT+; Wi-Fi
NFC Payments:Garmin 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)
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
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
Storage:32GB
Speaker Mic:Built-in Speaker; Built-in Microphone (Voice Assistant & Voice Notes)
Calls:Yes (Make and take calls via Bluetooth connection to smartphone)
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
Charging:Garmin proprietary plug charger (clip-on data cable)
Weight:Stainless Steel: 80g (Case only: 59g); Titanium: 73g (Case only: 52g)
Band Sizes:Fits wrists 125–208mm (Silicone); QuickFit 22mm compatible
Extras:Built-in LED Flashlight (Red/White strobes); Dynamic Round-Trip Routing; Garmin Messenger app; Outdoor Maps+ (subscription optional); SkiView Maps
✓ 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)
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Garmin Forerunner 965
Rating:★4.7(1,717)Amazon
Compatibility:iPhone, Android (Garmin Connect app required)
Operating System:Garmin OS (Proprietary)
Case Size:47.2 x 47.2 x 13.2 mm
Case Material:Fiber-reinforced polymer case; Titanium bezel; Corning Gorilla Glass 3 DX lens
Display Type:AMOLED; Always-On Mode available
Display Size:1.4 in (35.4 mm) diameter
Resolution:454 x 454 pixels
Always On Display:Yes (optional)
Water Resistance:5 ATM (water pressure equivalent to 50 meters); Swimproof
Durability:Corning Gorilla Glass 3 DX lens; Titanium bezel adds rigidity
GPS:Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo
Connectivity:Bluetooth; ANT+; Wi-Fi
NFC Payments:Garmin Pay
Sensors:Elevate Gen 4 optical heart rate sensor; Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer; Ambient light sensor
Health Features:Morning Report; Training Readiness; HRV Status; Sleep Score; Body Battery; Pulse Ox; Women’s Health Tracking; Health Snapshot
Workout Modes:Triathlon; Duathlon; Brick Workouts; Track Run; Ultra Run; Virtual Run; Cycling (Road, MTB, Gravel, eBike); Swimming (Pool, Open Water); Hiking; Strength; HIIT; Yoga; Pilates
Storage:32GB
Speaker Mic:None (Audio prompts via connected Bluetooth headphones only)
Calls:No (Can accept/decline calls to control phone; Android users can send text replies)
Battery:Smartwatch mode: Up to 23 days; GPS Only: Up to 31 hours; SatIQ (AutoSelect) GNSS: Up to 22 hours; All-Systems GNSS + Multi-Band: Up to 19 hours
Charging:Garmin proprietary plug charger (USB-C cable included)
Weight:53 g
Band Sizes:Fits wrists 135–205 mm (Silicone band included); Compatible with 22mm QuickFit bands (requires tool to remove original pin)
Extras:Preloaded TopoActive Maps; Full-color mapping navigation; Garmin Music (Spotify/Deezer/Amazon Music offline); PacePro; ClimbPro; Real-time Stamina
✓ Pros:
- • Bright, high-resolution 1.4" AMOLED makes maps easy to read
- • Lightweight (53g) and slim profile ideal for racing and sleep
- • Excellent battery life (23 days) eclipses most AMOLED competitors
- • Titanium bezel adds a premium feel to the lightweight chassis
- • Native running power and advanced metrics (Training Readiness) built-in
✗ Cons:
- • Uses older Elevate Gen 4 sensor (lacks ECG hardware found in Fenix 8)
- • No built-in microphone or speaker for voice notes/calls
- • Water resistance is 5 ATM (standard) vs 10 ATM on Fenix/Epix
- • Stock strap uses a non-QuickFit pin system (requires tool to swap to QuickFit)
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Which one is better?
The Garmin fēnix 8 (47mm AMOLED) is the better buy for most people - its 10 ATM water resistance crushes the Forerunner 965. That said, grab the Forerunner 965 if you want a lighter watch with superior battery life at 23 days - it’s a no-brainer for marathon runners.
Who should buy each?
Choose the Garmin fēnix 8 (47mm AMOLED) if: you need a durable watch for diving, you want advanced training features, or you appreciate built-in voice functionality. (2.58 oz weight)
Choose the Garmin Forerunner 965 if: you want a lightweight watch for long runs, you prefer longer battery life, or you enjoy full-color mapping for navigation. (1.87 oz weight)
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. Garmin Forerunner 965 is better if you prioritize bright, high-resolution 1.4" amoled makes maps easy to read. 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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