Amazfit GTR 3 Pro vs Samsung Galaxy Watch 9 40mm
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit GTR 3 Pro |  Samsung Galaxy Watch 9 40mm |
|---|---|---|
| Price | KSh 20,000.00 | KSh 39,500.00 |
| Display | 1.45-inch AMOLED touchscreen | 1.34-inch Super AMOLED Always On Display |
| Battery capacity | 450 mAh typical | 390 mAh lithium-ion |
| Water resistance | 5 ATM | 5 ATM / 50 m under ISO 22810; IPX8 tested to 1.5 m fresh water for up to 30 minutes |
| Processor | — | Snapdragon SW6100 Wear Elite (3 nm) |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Operating system | Zepp OS | Wear OS 7 with One UI Watch 9 |
| Network / cellular | — | GSM, HSPA and LTE on LTE models |
| Positioning / GNSS | GPS, GLONASS, Galileo, BeiDou and QZSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Health & wellness features | Heart rate, blood oxygen, stress, breathing rate, PAI and one-tap health measurement; wellness readings are not intended for medical diagnosis | Heart rate; ECG; blood pressure; blood oxygen; body composition; skin temperature; antioxidant index; Energy Score |
Full specifications
2 of 4 products
| Specification | Amazfit GTR 3 Pro | Samsung Galaxy Watch 9 40mm |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Samsung |
| Model | GTR 3 Pro | Samsung Galaxy Watch9 40mm |
| Announced | — | 22 July 2026 |
| Dimensions | 46 × 46 × 10.7 mm | 42.7 × 40.4 × 8.6 mm |
| Weight | 32 g without strap | 31.5 g |
| Build materials | Aircraft-grade aluminum-alloy body with curved glass | Sapphire crystal front; Armor Aluminum 2 frame |
| Wrist size | 155–218 mm | — |
| Strap / band | 22 mm quick-release leather or fluoroelastomer strap with classic pin buckle | Lightweight breathable Sport Band with Dynamic Lug System |
| Controls / buttons | Two physical buttons including a rotating navigation crown, plus touchscreen | Touchscreen and two side buttons |
| Display | ||
| Display | 1.45-inch AMOLED touchscreen | 1.34-inch Super AMOLED Always On Display |
| Screen resolution | 480 × 480 pixels, 331 ppi | 438 × 438 pixels |
| Display protection | Tempered glass with anti-fingerprint coating | Sapphire crystal |
| Display features | Always-on display and more than 150 watch faces | Full-color Always On Display; up to 3,000 nits peak brightness |
| Performance & software | ||
| Processor | — | Snapdragon SW6100 Wear Elite (3 nm) |
| CPU | — | Penta-core, 1 × 2.1 GHz + 4 × 1.95 GHz |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Operating system | Zepp OS | Wear OS 7 with One UI Watch 9 |
| Connectivity | ||
| Network / cellular | — | GSM, HSPA and LTE on LTE models |
| SIM / eSIM | — | eSIM on LTE models |
| Wi-Fi | 2.4 GHz Wi-Fi | Wi‑Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth | Bluetooth 5.0 | Bluetooth 6.0 |
| NFC | — | Supported |
| Positioning / GNSS | GPS, GLONASS, Galileo, BeiDou and QZSS | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Audio & communication | ||
| Speaker | Built-in speaker | Supported |
| Microphone | Built-in microphone | Supported |
| Calling | Bluetooth calling when paired with a compatible phone | Bluetooth calling; standalone cellular calling on LTE models |
| Sensors, health & fitness | ||
| Sensors | BioTracker 3.0 PPG sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | Accelerometer; barometer; bioelectrical impedance analysis sensor; electrical heart sensor; gyroscope; geomagnetic sensor; ambient-light sensor; optical heart-rate sensor; skin-temperature sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, breathing rate, PAI and one-tap health measurement; wellness readings are not intended for medical diagnosis | Heart rate; ECG; blood pressure; blood oxygen; body composition; skin temperature; antioxidant index; Energy Score |
| Sleep tracking | Sleep stages, sleep breathing quality and naps | Sleep duration, patterns and quality; sleep coaching; sleep-apnea risk detection |
| Sports / workout modes | More than 150 sports modes with automatic recognition of eight sports | Automatic and manual workout tracking across running, walking, cycling, swimming and other activities |
| Training & outdoor features | PeakBeats workout analysis, route tracking and built-in five-system positioning | Personalized exercise guidance; running coaching; dual-band GNSS route tracking |
| Safety & emergency features | — | Fall detection and Emergency SOS |
| Battery & durability | ||
| Battery capacity | 450 mAh typical | 390 mAh lithium-ion |
| Battery life | Up to 12 days typical use, 30 days battery saver, 6 days heavy use or 35 hours continuous GPS | Up to 40 hours with Always On Display off; up to 30 hours with Always On Display on |
| Charging | Magnetic charging base; approximately 2 hours | Fast WPC-based wireless charging, 10 W |
| Water resistance | 5 ATM | 5 ATM / 50 m under ISO 22810; IPX8 tested to 1.5 m fresh water for up to 30 minutes |
| Durability / certifications | — | IP6X dust resistance; MIL‑STD‑810H certified; ECG certified |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 12.0 or later | — |
| Companion app | Zepp app | Samsung Health |
| Colors | Brown Leather or Infinite Black | Cream; Graphite |
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