Garmin Forerunner 965 vs Apple Watch Ultra 3
The Garmin Forerunner 965 is the flagship option here, offering an impressive battery life of up to 23 days, perfect for serious athletes. In contrast, the Apple Watch Ultra 3 excels with its class-leading 3,000-nit display, making it a standout for outdoor use in bright conditions. What matters most here is how these specs translate into real-life use. Key specs: Weight: 1.87 oz vs 2.18 oz and Storage: 32 GB vs 64 GB.
Why compare these? Both the Garmin Forerunner 965 and Apple Watch Ultra 3 are premium flagship smartwatches competing in the same market segment. This makes them direct rivals for buyers looking for premium flagship features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.
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Key Differences at a Glance
| Aspect | Garmin Forerunner | Apple Watch |
|---|---|---|
| User Rating | 4.7★ (1,717 reviews) | 4.7★ (425 reviews) |
| Top Strength | Bright, high-resolution 1.4" AMOLED makes maps easy to read | Class-leading 3,000-nit display brightness |
| Main Drawback | Uses older Elevate Gen 4 sensor (lacks ECG hardware found in Fenix 8) | Large 49mm case may be too bulky for smaller wrists |
| Market Position | Flagship | Flagship |
Garmin Forerunner 965
iPhone, Android (Garmin Connect app required)
Garmin OS (Proprietary)
47.2 x 47.2 x 13.2 mm
Fiber-reinforced polymer case; Titanium bezel; Corning Gorilla Glass 3 DX lens
Apple Watch Ultra 3
iPhone Xs or later (incl. iPhone SE 2nd gen+) with iOS 18 or later
watchOS
49mm (49mm H x 44mm W x 14.4mm D)
Aerospace-grade titanium (Natural or Black)
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.
Expand
Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Garmin Forerunner 965 vs Apple Watch Ultra 3
Garmin Forerunner 965
Apple Watch Ultra 3
| Criterion | Garmin Forerunner 965 | Apple Watch Ultra 3 |
|---|---|---|
| Rating | ★4.7(1,717)Amazon | ★4.7(425)Amazon |
Compatibility | iPhone, Android (Garmin Connect app required) | iPhone Xs or later (incl. iPhone SE 2nd gen+) with iOS 18 or later |
Operating System | Garmin OS (Proprietary) | watchOS |
Case Size | 47.2 x 47.2 x 13.2 mm | 49mm (49mm H x 44mm W x 14.4mm D) |
Case Material | Fiber-reinforced polymer case; Titanium bezel; Corning Gorilla Glass 3 DX lens | Aerospace-grade titanium (Natural or Black) |
Display Type | AMOLED; Always-On Mode available | Always-On Retina display (LTPO3 OLED) with flat sapphire crystal |
Display Size | 1.4 in (35.4 mm) diameter | 1245 sq mm display area |
Resolution | 454 x 454 pixels | 422 x 514 pixels (326 ppi) |
Always On Display | Yes (optional) | Yes |
Water Resistance | 5 ATM (water pressure equivalent to 50 meters); Swimproof | 100 m (ISO 22810); EN13319 recreational scuba diving to 40 m (130 ft) |
Durability | Corning Gorilla Glass 3 DX lens; Titanium bezel adds rigidity | IP6X dust resistance; MIL-STD 810H tested |
GPS | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo | Precision dual-frequency GPS (L1 and L5) |
Connectivity | Bluetooth; ANT+; Wi-Fi | LTE and UMTS; Wi-Fi 4 (802.11n); Bluetooth 5.3; U2 Ultra Wideband chip |
NFC Payments | Garmin Pay | Apple Pay |
Sensors | Elevate Gen 4 optical heart rate sensor; Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer; Ambient light sensor | Electrical heart (ECG), optical heart (Gen 3), temperature (body/water), blood oxygen, depth gauge, altimeter, accelerometer, gyroscope |
Health Features | Morning Report; Training Readiness; HRV Status; Sleep Score; Body Battery; Pulse Ox; Women’s Health Tracking; Health Snapshot | ECG, Blood Oxygen, Heart Rate zones, Sleep Tracking/Apnea notifications, Vitals app, Cycle Tracking with retrospective ovulation estimates |
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 | Multisport, Running (Advanced Metrics), Hiking (Topographic Maps), Ocean Diving, Swimming, Cycling |
Storage | 32GB | 64GB |
Speaker Mic | None (Audio prompts via connected Bluetooth headphones only) | Dual speakers; three-microphone array with beamforming and wind noise mitigation; 86dB Siren |
Calls | No (Can accept/decline calls to control phone; Android users can send text replies) | Yes (via Cellular or Wi-Fi) |
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 | Up to 36 hours (normal use); Up to 72 hours (Low Power Mode) |
Charging | Garmin proprietary plug charger (USB-C cable included) | Fast charging (0–80% in approx. 1 hour) with USB-C Magnetic Fast Charger |
Weight | 53 g | 61.8 g |
Band Sizes | Fits wrists 135–205 mm (Silicone band included); Compatible with 22mm QuickFit bands (requires tool to remove original pin) | Fits 130–210mm wrists (Alpine Loop, Trail Loop, Ocean Band) |
Extras | Preloaded TopoActive Maps; Full-color mapping navigation; Garmin Music (Spotify/Deezer/Amazon Music offline); PacePro; ClimbPro; Real-time Stamina | S10 SiP, Double Tap gesture, On-device Siri, Precision Finding for iPhone, Flashlight/Night Mode, Crash Detection, Fall Detection |
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Garmin Forerunner 965
iPhone, Android (Garmin Connect app required)
Garmin OS (Proprietary)
47.2 x 47.2 x 13.2 mm
Fiber-reinforced polymer case; Titanium bezel; Corning Gorilla Glass 3 DX lens
AMOLED; Always-On Mode available
1.4 in (35.4 mm) diameter
Pros
- Bright, high-resolution 1.4" AMOLED makes maps easy to read
- Lightweight (53g) and slim profile ideal for racing and sleep
Cons
- Uses older Elevate Gen 4 sensor (lacks ECG hardware found in Fenix 8)
- No built-in microphone or speaker for voice notes/calls
Apple Watch Ultra 3
iPhone Xs or later (incl. iPhone SE 2nd gen+) with iOS 18 or later
watchOS
49mm (49mm H x 44mm W x 14.4mm D)
Aerospace-grade titanium (Natural or Black)
Always-On Retina display (LTPO3 OLED) with flat sapphire crystal
1245 sq mm display area
Pros
- Class-leading 3,000-nit display brightness
- Rugged titanium build with 100m water resistance
Cons
- Large 49mm case may be too bulky for smaller wrists
- High price point
Which one is better?
The Apple Watch Ultra 3 is the better buy for most people - its 3,000-nit display crushes the Garmin Forerunner 965’s AMOLED screen. That said, grab the Forerunner 965 if you want the extended battery life of 23 days for race training - it’s a no-brainer.
Who should buy each?
Choose the Garmin Forerunner 965 if: you need long battery life for multi-day races, prefer a lightweight design for comfort, or want advanced training metrics. (1.87 oz weight, 32 GB storage)
Choose the Apple Watch Ultra 3 if: you want a bright display for outdoor visibility, need cellular capabilities for calls and messages, or value rugged durability for extreme conditions. (2.18 oz weight, 64 GB storage)
Safe Choice Buyers
More widely tested with 1,717 reviews vs 425
→ Choose Garmin Forerunner
Bright, high-resolution 1.4" Priority
Bright, high-resolution 1.4" AMOLED makes maps easy to read
→ Choose Garmin Forerunner
Class-leading 3,000-nit display Priority
Class-leading 3,000-nit display brightness
→ Choose Apple Watch
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Bottom line: Both products share a 4.7★ rating, making this comparison particularly close. Your decision should come down to which specific features matter most to you.
Frequently Asked Questions
+Which is better: Garmin Forerunner 965 or Apple Watch Ultra 3?
Garmin Forerunner 965 is the better choice if you prioritize bright, high-resolution 1.4" amoled makes maps easy to read. Apple Watch Ultra 3 wins if you value class-leading 3,000-nit display brightness. Both are rated highly (4.7★ vs 4.7★), so consider your specific needs and budget.
+What are the main differences between Garmin Forerunner 965 and Apple Watch Ultra 3?
Key differences: Garmin Forerunner 965 offers bright, high-resolution 1.4" amoled makes maps easy to read, while Apple Watch Ultra 3 stands out with class-leading 3,000-nit display brightness. Consider that Garmin Forerunner 965 uses older elevate gen 4 sensor (lacks ecg hardware found in fenix 8). Meanwhile, Apple Watch Ultra 3 large 49mm case may be too bulky for smaller wrists. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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