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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, ManufacturerAmazfit T-Rex 3 vs Suunto Vertical 2 Titanium
The Amazfit T-Rex 3 is the smarter buy for budget-conscious adventurers, boasting an incredible 27-day battery life compared to Suunto Vertical 2 Titanium's 20-day capacity. If you're spending long weekends in the wild, that extra battery life means you won't be tethered to a charger. The Suunto Vertical 2 Titanium shines with its built-in LED flashlight, perfect for camping and night hikes. In real-world use, that flashlight makes night navigation safer and easier, especially when you're miles from civilization. So, let's dive deeper into what each watch offers for your adventures in 2026.
⚖️ Weight: 2.41 oz vs 2.61 oz🔋 Battery: 27 days vs 20 days
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Amazfit T-Rex 3
★4.5
(1,926)•Amazon
Compatibility:Android 7.0 or later; iOS 14.0 or later (Zepp App required)
Operating System:Zepp OS 4
Case Size:48.5mm x 48.5mm x 13.75mm
Case Material:Polymer middle frame; Stainless steel bezel (316L)
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Suunto Vertical 2 Titanium
★4.4
(32)•Amazon
Compatibility:Android and iOS (Suunto App); Predefined replies (Android only)
Operating System:Suunto Proprietary OS
Case Size:49mm (49 x 49 x 13.6 mm)
Case Material:Titanium Grade 5 bezel; Glass fibre reinforced polyamide case; Sapphire crystal glass
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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
Amazfit T-Rex 3
Suunto Vertical 2 Titanium
Display2 specs
Display SizeKey
Amazfit T-Rex 3
1.5 in (38.1 mm) diameter
Suunto Vertical 2 Titanium
1.5 in
Resolution
Amazfit T-Rex 3
480 x 480 pixels (322 ppi)
Suunto Vertical 2 Titanium
466 x 466 pixels
Performance1 specs
Storage
Amazfit T-Rex 3
32GB (Approx. 26GB user-accessible for Music/Maps)
Suunto Vertical 2 Titanium
32GB (Dedicated for offline maps)
Battery1 specs
Battery CapacityKey
Amazfit T-Rex 3
700 mAh; Up to 27 days (Typical usage); Up to 13 days (Heavy usage); Up to 42 hours (Accuracy GPS mode); Up to 114 hours (GPS Long Battery Life)
Suunto Vertical 2 Titanium
Smartwatch: Up to 20 days; Performance Mode (Dual-band GPS + AOD): Up to 65 hours; Tour Mode: Up to 250 hours
Design2 specs
Weight
Amazfit T-Rex 3
68.3 g (without strap)Winner
Suunto Vertical 2 Titanium
74 g
Water Resistance
Amazfit T-Rex 3
10 ATM (100 meters); Freediving certified (EN13319) to 45m
Suunto Vertical 2 Titanium
100 m
Software1 specs
Operating System
Amazfit T-Rex 3
Zepp OS 4
Suunto Vertical 2 Titanium
Suunto Proprietary OS
Connectivity1 specs
Connectivity
Amazfit T-Rex 3
Wi-Fi (2.4GHz); Bluetooth 5.2; BLE
Suunto Vertical 2 Titanium
Bluetooth
+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: Amazfit T-Rex 3 vs Suunto Vertical 2 Titanium
Amazfit T-Rex 3
★4.5(1,926)Amazon
Suunto Vertical 2 Titanium
★4.4(32)Amazon
| Criterion | Amazfit T-Rex 3 | Suunto Vertical 2 Titanium |
|---|---|---|
| Rating | ★4.5(1,926)Amazon | ★4.4(32)Amazon |
Compatibility | Android 7.0 or later; iOS 14.0 or later (Zepp App required) | Android and iOS (Suunto App); Predefined replies (Android only) |
Operating System | Zepp OS 4 | Suunto Proprietary OS |
Case Size | 48.5mm x 48.5mm x 13.75mm | 49mm (49 x 49 x 13.6 mm) |
Case Material | Polymer middle frame; Stainless steel bezel (316L) | Titanium Grade 5 bezel; Glass fibre reinforced polyamide case; Sapphire crystal glass |
Display Type | AMOLED; Gorilla Glass; Peak brightness 2000 nits | LTPO AMOLED matrix display; Up to 2000 nits brightness; Always-On Display |
Display Size | 1.5 in (38.1 mm) diameter | 1.5 in |
Resolution | 480 x 480 pixels (322 ppi) | 466 x 466 pixels |
Always On Display | Yes | Yes |
Water Resistance | 10 ATM (100 meters); Freediving certified (EN13319) to 45m | 100 m |
Durability | MIL-STD-810H (70°C heat / -30°C cold / Shock / Humidity); Mud-resistant bridge and buttons | Tested to military standards (MIL-STD-810H); Titanium bezel; Sapphire crystal |
GPS | Dual-band GNSS (L1+L5); 6 Satellite Positioning Systems (GPS, GLONASS, Galileo, BeiDou, QZSS, NAVIC) | Dual-band GNSS (L1 + L5); GPS, GLONASS, GALILEO, QZSS, BEIDOU |
Connectivity | Wi-Fi (2.4GHz); Bluetooth 5.2; BLE | Bluetooth |
NFC Payments | Zepp Pay (Europe/parts of Asia only); Not supported on US models | — |
Sensors | BioTracker™ 6.0 PPG biometric sensor (SpO2, Heart Rate); Accelerometer; Gyroscope; Geomagnetic sensor; Barometric altimeter; Ambient light sensor; Temperature sensor (skin/water) | Optical heart rate (upgraded sensor); Pulse Ox (SpO2); Barometric altimeter (FusedAlti™); Digital compass; Thermometer; Accelerometer; Gyroscope |
Health Features | Readiness Score; HRV (Heart Rate Variability); Sleep Breathing Quality; One-tap measuring (HR, SpO2, Stress, Breathing rate); Sleep stages (REM/Deep/Light); PAI Health Assessment | HRV recovery measurement; Sleep tracking (duration, quality, stages); Blood oxygen; Stress and recovery status; Fitness Level (VO2max) |
Workout Modes | Hyrox Race mode; Ultramarathon; Freediving; Strength Training (auto-detection of 25 movements); Triathlon; Skiing; Snowboarding; Surf; and 170+ others | 115+ sport modes; Triathlon; Swimming (pool/open water); Running (power/pace); Cycling; Hiking; Ski touring; Snorkeling (depth up to 10m) |
Storage | 32GB (Approx. 26GB user-accessible for Music/Maps) | 32GB (Dedicated for offline maps) |
Speaker Mic | Microphone (for Zepp Flow voice commands); No Speaker (Buzzer/Beeper only for alerts) | — |
Calls | No (Cannot answer calls on wrist; can reject/ignore calls) | No (Call notifications only) |
Battery | 700 mAh; Up to 27 days (Typical usage); Up to 13 days (Heavy usage); Up to 42 hours (Accuracy GPS mode); Up to 114 hours (GPS Long Battery Life) | Smartwatch: Up to 20 days; Performance Mode (Dual-band GPS + AOD): Up to 65 hours; Tour Mode: Up to 250 hours |
Charging | Magnetic charging base (2-pin); Approx. 3 hours to full charge | Suunto magnetic fast charger (USB-C) |
Weight | 68.3 g (without strap) | 74 g |
Band Sizes | 22mm width; Fits 145–210mm wrists (Proprietary screws but includes adapters for standard bands in some regions) | Fits wrists 125–175 mm (standard) or up to 215 mm; 22mm width |
Extras | Offline Maps (Contour/Terrain); Turn-by-turn navigation; Zepp Flow (AI voice assistant); Night Display mode; Glove mode | Integrated LED Flashlight; Offline maps with heatmaps and surface info; Solar charging (Titanium Solar models only, though AMOLED limits efficacy); Climb Guidance; SuuntoPlus ecosystem |
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Amazfit T-Rex 3
Rating:★4.5(1,926)Amazon
Compatibility:Android 7.0 or later; iOS 14.0 or later (Zepp App required)
Operating System:Zepp OS 4
Case Size:48.5mm x 48.5mm x 13.75mm
Case Material:Polymer middle frame; Stainless steel bezel (316L)
Display Type:AMOLED; Gorilla Glass; Peak brightness 2000 nits
Display Size:1.5 in (38.1 mm) diameter
Resolution:480 x 480 pixels (322 ppi)
Always On Display:Yes
Water Resistance:10 ATM (100 meters); Freediving certified (EN13319) to 45m
Durability:MIL-STD-810H (70°C heat / -30°C cold / Shock / Humidity); Mud-resistant bridge and buttons
GPS:Dual-band GNSS (L1+L5); 6 Satellite Positioning Systems (GPS, GLONASS, Galileo, BeiDou, QZSS, NAVIC)
Connectivity:Wi-Fi (2.4GHz); Bluetooth 5.2; BLE
NFC Payments:Zepp Pay (Europe/parts of Asia only); Not supported on US models
Sensors:BioTracker™ 6.0 PPG biometric sensor (SpO2, Heart Rate); Accelerometer; Gyroscope; Geomagnetic sensor; Barometric altimeter; Ambient light sensor; Temperature sensor (skin/water)
Health Features:Readiness Score; HRV (Heart Rate Variability); Sleep Breathing Quality; One-tap measuring (HR, SpO2, Stress, Breathing rate); Sleep stages (REM/Deep/Light); PAI Health Assessment
Workout Modes:Hyrox Race mode; Ultramarathon; Freediving; Strength Training (auto-detection of 25 movements); Triathlon; Skiing; Snowboarding; Surf; and 170+ others
Storage:32GB (Approx. 26GB user-accessible for Music/Maps)
Speaker Mic:Microphone (for Zepp Flow voice commands); No Speaker (Buzzer/Beeper only for alerts)
Calls:No (Cannot answer calls on wrist; can reject/ignore calls)
Battery:700 mAh; Up to 27 days (Typical usage); Up to 13 days (Heavy usage); Up to 42 hours (Accuracy GPS mode); Up to 114 hours (GPS Long Battery Life)
Charging:Magnetic charging base (2-pin); Approx. 3 hours to full charge
Weight:68.3 g (without strap)
Band Sizes:22mm width; Fits 145–210mm wrists (Proprietary screws but includes adapters for standard bands in some regions)
Extras:Offline Maps (Contour/Terrain); Turn-by-turn navigation; Zepp Flow (AI voice assistant); Night Display mode; Glove mode
✓ Pros:
- • Incredible 27-day battery life crushes the competition
- • Large, bright 1.5" AMOLED (2000 nits) is easy to read outdoors
- • Free offline contour maps with turn-by-turn navigation
- • Freediving certified to 45m (rare at this price point)
- • Generous 32GB storage for offline music and global maps
✗ Cons:
- • No built-in speaker (alerts are beeps/vibrations only)
- • NFC payments (Zepp Pay) are not supported on US hardware
- • Large 48.5mm case is bulky for smaller wrists
- • Proprietary strap system requires adapters to use standard bands
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Suunto Vertical 2 Titanium
Rating:★4.4(32)Amazon
Compatibility:Android and iOS (Suunto App); Predefined replies (Android only)
Operating System:Suunto Proprietary OS
Case Size:49mm (49 x 49 x 13.6 mm)
Case Material:Titanium Grade 5 bezel; Glass fibre reinforced polyamide case; Sapphire crystal glass
Display Type:LTPO AMOLED matrix display; Up to 2000 nits brightness; Always-On Display
Display Size:1.5 in
Resolution:466 x 466 pixels
Always On Display:Yes
Water Resistance:100 m
Durability:Tested to military standards (MIL-STD-810H); Titanium bezel; Sapphire crystal
GPS:Dual-band GNSS (L1 + L5); GPS, GLONASS, GALILEO, QZSS, BEIDOU
Connectivity:Bluetooth
NFC Payments:—
Sensors:Optical heart rate (upgraded sensor); Pulse Ox (SpO2); Barometric altimeter (FusedAlti™); Digital compass; Thermometer; Accelerometer; Gyroscope
Health Features:HRV recovery measurement; Sleep tracking (duration, quality, stages); Blood oxygen; Stress and recovery status; Fitness Level (VO2max)
Workout Modes:115+ sport modes; Triathlon; Swimming (pool/open water); Running (power/pace); Cycling; Hiking; Ski touring; Snorkeling (depth up to 10m)
Storage:32GB (Dedicated for offline maps)
Speaker Mic:—
Calls:No (Call notifications only)
Battery:Smartwatch: Up to 20 days; Performance Mode (Dual-band GPS + AOD): Up to 65 hours; Tour Mode: Up to 250 hours
Charging:Suunto magnetic fast charger (USB-C)
Weight:74 g
Band Sizes:Fits wrists 125–175 mm (standard) or up to 215 mm; 22mm width
Extras:Integrated LED Flashlight; Offline maps with heatmaps and surface info; Solar charging (Titanium Solar models only, though AMOLED limits efficacy); Climb Guidance; SuuntoPlus ecosystem
✓ Pros:
- • Stunning 1.5-inch LTPO AMOLED display (2000 nits) is significantly brighter than the original MIP
- • Integrated LED flashlight is a game-changer for camping and night safety
- • Maintains incredible battery life (65h dual-band GPS) despite the switch to AMOLED
- • Market-leading offline mapping capabilities with 32GB storage
✗ Cons:
- • No onboard music storage (only media controls)
- • Lacks smart features like NFC payments and Bluetooth calling
- • Large 49mm case size may be overwhelming for smaller wrists
- • Proprietary OS is less fluid/app-rich than Apple Watch or Wear OS
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Which one is better?
The Amazfit T-Rex 3 is the better buy for most people - its 27-day battery life crushes the Suunto Vertical 2 Titanium's 20 days. That said, grab the Suunto if you need the integrated LED flashlight for night activities - it's a game-changer for safety.
Who should buy each?
Choose the Amazfit T-Rex 3 if: you want incredible battery life for extended trips, you prefer a larger display for outdoor readability, or you enjoy offline maps without worrying about charging. (2.41 oz weight)
Choose the Suunto Vertical 2 Titanium if: you need a rugged light source for camping, you want superior offline mapping features, or you prefer a titanium build for durability. (2.61 oz weight)
Conclusion
Amazfit T-Rex 3 and Suunto Vertical 2 Titanium are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Frequently Asked Questions
+Which has better value?
Amazfit T-Rex 3 excels if you value incredible 27-day battery life crushes the competition. Suunto Vertical 2 Titanium is better if you prioritize stunning 1.5-inch ltpo amoled display (2000 nits) is significantly brighter than the original mip. 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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