Amazfit T-Rex 3 vs Suunto Race
You'd expect the Amazfit T-Rex 3 to dominate, but the Suunto Race's build quality and features challenge its mid-range status. With a vibrant 1.5" AMOLED display at 2000 nits, the Amazfit T-Rex 3 offers clear outdoor visibility for a 27-day battery life. However, the Suunto Race, while having a slightly shorter battery life at 26 days, brings a rugged design and excellent GPS accuracy, making it attractive for serious outdoor enthusiasts. Key specs: Weight: 2.41 oz vs 2.93 oz and Storage: 32 GB vs 16 GB.
Why compare these? The Amazfit T-Rex 3 (mid-range) and Suunto Race (high-end) represent different approaches to smartwatches. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Amazfit T-Rex | Suunto Race |
|---|---|---|
| User Rating | ✓4.5★ (1,926 reviews) | 4.2★ (297 reviews) |
| Top Strength | Incredible 27-day battery life crushes the competition | Vibrant 1.43” AMOLED screen with sapphire crystal durability |
| Main Drawback | No built-in speaker (alerts are beeps/vibrations only) | No NFC payments or music storage (music controls only) |
| Market Position | Mid-range | ✓Premium |
Amazfit T-Rex 3
Android 7.0 or later; iOS 14.0 or later (Zepp App required)
Zepp OS 4
48.5mm x 48.5mm x 13.75mm
Polymer middle frame; Stainless steel bezel (316L)
Suunto Race
Android and iOS (via Suunto app)
Suunto UI
49mm (49 x 49 x 13.3 mm / 1.93 x 1.93 x 0.52 in)
Bezel: Stainless Steel; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone
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: Amazfit T-Rex 3 vs Suunto Race
Amazfit T-Rex 3
Suunto Race
| Criterion | Amazfit T-Rex 3 | Suunto Race |
|---|---|---|
| Rating | ★4.5(1,926)Amazon | ★4.2(297)Amazon |
Compatibility | Android 7.0 or later; iOS 14.0 or later (Zepp App required) | Android and iOS (via Suunto app) |
Operating System | Zepp OS 4 | Suunto UI |
Case Size | 48.5mm x 48.5mm x 13.75mm | 49mm (49 x 49 x 13.3 mm / 1.93 x 1.93 x 0.52 in) |
Case Material | Polymer middle frame; Stainless steel bezel (316L) | Bezel: Stainless Steel; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone |
Display Type | AMOLED; Gorilla Glass; Peak brightness 2000 nits | AMOLED touchscreen (High definition, always-on capable) |
Display Size | 1.5 in (38.1 mm) diameter | 1.43 in |
Resolution | 480 x 480 pixels (322 ppi) | 466 x 466 pixels (1,000 nits brightness) |
Always On Display | Yes | Yes |
Water Resistance | 10 ATM (100 meters); Freediving certified (EN13319) to 45m | 100 m (10 ATM) |
Durability | MIL-STD-810H (70°C heat / -30°C cold / Shock / Humidity); Mud-resistant bridge and buttons | MIL-STD-810H tested; Operating temp: -20°C to +55°C (-5°F to +130°F) |
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, Wi-Fi (for map downloads) |
NFC Payments | Zepp Pay (Europe/parts of Asia only); Not supported on US models | No (Not supported) |
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; blood oxygen (SpO2); barometric altimeter; digital compass; 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 measurement (Sleep & Daily); 24/7 heart rate; sleep tracking (stages & quality); blood oxygen; stress and recovery status |
Workout Modes | Hyrox Race mode; Ultramarathon; Freediving; Strength Training (auto-detection of 25 movements); Triathlon; Skiing; Snowboarding; Surf; and 170+ others | 95+ sport modes; Suunto Coach (AI-based training load & recovery); offline maps; route navigation; race time estimates |
Storage | 32GB (Approx. 26GB user-accessible for Music/Maps) | 16 GB (Steel model) / 32 GB (Titanium model) |
Speaker Mic | Microphone (for Zepp Flow voice commands); No Speaker (Buzzer/Beeper only for alerts) | No (No built-in speaker or microphone) |
Calls | No (Cannot answer calls on wrist; can reject/ignore calls) | No (Notification alerts 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) | Up to 26 days (Daily Mode); Up to 12 days (Daily HR + AOD); 40 hours (Performance Training / Dual-band GNSS) |
Charging | Magnetic charging base (2-pin); Approx. 3 hours to full charge | Suunto magnetic fast charger (USB-A) |
Weight | 68.3 g (without strap) | 83 g / 2.93 oz (Steel model) |
Band Sizes | 22mm width; Fits 145–210mm wrists (Proprietary screws but includes adapters for standard bands in some regions) | Fits wrist sizes 125–175 mm; standard 22 mm quick-release width |
Extras | Offline Maps (Contour/Terrain); Turn-by-turn navigation; Zepp Flow (AI voice assistant); Night Display mode; Glove mode | Global offline outdoor maps (free); weather widgets; phone media controls; customizable watch faces; digital crown navigation |
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Amazfit T-Rex 3
Android 7.0 or later; iOS 14.0 or later (Zepp App required)
Zepp OS 4
48.5mm x 48.5mm x 13.75mm
Polymer middle frame; Stainless steel bezel (316L)
AMOLED; Gorilla Glass; Peak brightness 2000 nits
1.5 in (38.1 mm) diameter
Pros
- Incredible 27-day battery life crushes the competition
- Large, bright 1.5" AMOLED (2000 nits) is easy to read outdoors
Cons
- No built-in speaker (alerts are beeps/vibrations only)
- NFC payments (Zepp Pay) are not supported on US hardware
Suunto Race
Android and iOS (via Suunto app)
Suunto UI
49mm (49 x 49 x 13.3 mm / 1.93 x 1.93 x 0.52 in)
Bezel: Stainless Steel; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone
AMOLED touchscreen (High definition, always-on capable)
1.43 in
Pros
- Vibrant 1.43” AMOLED screen with sapphire crystal durability
- Excellent battery life (up to 40 hours in max accuracy GPS mode)
Cons
- No NFC payments or music storage (music controls only)
- No built-in speaker or microphone for calls
Which one is better?
The Amazfit T-Rex 3 is the better buy for most people - its 27-day battery life crushes the Suunto Race's 26 days. That said, grab the Suunto Race if you want a rugged design with sapphire crystal protection and advanced GPS features - it's worth considering for those serious about outdoor adventures.
Who should buy each?
Choose the Amazfit T-Rex 3 if: you need notable battery life for up to 27 days, want a bright display for outdoor use, or prefer a lightweight option at 2.41oz.
Choose the Suunto Race if: you want superior GPS accuracy for your hikes, appreciate sapphire crystal durability, or need a rugged design for extreme conditions. (2.93 oz weight, 16 GB storage)
Quality Seekers
Higher user rating (4.5★ vs 4.2★) indicates better overall satisfaction
→ Choose Amazfit T-Rex
Safe Choice Buyers
More widely tested with 1,926 reviews vs 297
→ Choose Amazfit T-Rex
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Suunto Race
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Amazfit T-Rex
Conclusion
Amazfit T-Rex 3 and Suunto Race are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Amazfit T-Rex 3 edges ahead with a 4.5★ rating compared to 4.2★. However, Suunto Race remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Amazfit T-Rex 3 or Suunto Race?
Amazfit T-Rex 3 is the better choice if you prioritize incredible 27-day battery life crushes the competition. Suunto Race wins if you value vibrant 1.43” amoled screen with sapphire crystal durability. Both are rated highly (4.5★ vs 4.2★), so consider your specific needs and budget.
+What are the main differences between Amazfit T-Rex 3 and Suunto Race?
Key differences: Amazfit T-Rex 3 offers incredible 27-day battery life crushes the competition, while Suunto Race stands out with vibrant 1.43” amoled screen with sapphire crystal durability. Consider that Amazfit T-Rex 3 no built-in speaker (alerts are beeps/vibrations only). Meanwhile, Suunto Race no nfc payments or music storage (music controls only). 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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