Amazfit GTR 3 Pro vs Fitbit Inspire 3
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Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit GTR 3 Pro |  Fitbit Inspire 3 |
|---|---|---|
| Price | KSh 20,000.00 | KSh 14,000.00 |
| Display | 1.45-inch AMOLED touchscreen | AMOLED |
| Battery capacity | 450 mAh typical | — |
| Water resistance | 5 ATM | 5 ATM / water resistant to 50 m; intended for suitable shallow-water use |
| Operating system | Zepp OS | — |
| Positioning / GNSS | GPS, GLONASS, Galileo, BeiDou and 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, blood oxygen, skin-temperature variation, stress and activity tracking; availability varies and not intended for diagnosis |
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Full specifications
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Identity & design
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Brand | Amazfit | Fitbit |
| Model | GTR 3 Pro | Fitbit Inspire 3 |
| Announced | — | August 2022 |
| Dimensions | 46 × 46 × 10.7 mm | 39.32 × 18.6 × 11.75 mm |
| Weight | 32 g without strap | 17.69 g |
| Build materials | Aircraft-grade aluminum-alloy body with curved glass | Corning Gorilla Glass 3 and premium silicone classic wristband with plastic buckle and tang |
| Wrist size | 155–218 mm | Small: approximately 130–190 mm; large: approximately 160–220 mm; both sizes included |
| Strap / band | 22 mm quick-release leather or fluoroelastomer strap with classic pin buckle | Premium silicone classic wristband; small and large sizes included |
| Controls / buttons | Two physical buttons including a rotating navigation crown, plus touchscreen | Touch-sensitive side controls and AMOLED touchscreen |
Display
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Display | 1.45-inch AMOLED touchscreen | AMOLED |
| Screen resolution | 480 × 480 pixels, 331 ppi | — |
| Display protection | Tempered glass with anti-fingerprint coating | Corning Gorilla Glass 3 |
| Display features | Always-on display and more than 150 watch faces | Always-on display supported; increases power use |
Performance & software
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Operating system | Zepp OS | — |
Connectivity
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Wi-Fi | 2.4 GHz Wi-Fi | — |
| Bluetooth | Bluetooth 5.0 | Bluetooth Low Energy |
| Positioning / GNSS | GPS, GLONASS, Galileo, BeiDou and QZSS | — |
Audio & communication
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Speaker | Built-in speaker | — |
| Microphone | Built-in microphone | — |
| Calling | Bluetooth calling when paired with a compatible phone | — |
Sensors, health & fitness
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Sensors | BioTracker 3.0 PPG sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | 3-axis accelerometer, optical heart-rate monitor, red/infrared SpO2 sensors, device-temperature sensor, ambient-light sensor, and vibration motor |
| 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, blood oxygen, skin-temperature variation, stress and activity tracking; availability varies and not intended for diagnosis |
| Sleep tracking | Sleep stages, sleep breathing quality and naps | Sleep stages, sleep score and overnight wellness tracking |
| Sports / workout modes | More than 150 sports modes with automatic recognition of eight sports | Multiple exercise modes; connected GPS uses a paired phone |
| Training & outdoor features | PeakBeats workout analysis, route tracking and built-in five-system positioning | — |
Battery & durability
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Battery capacity | 450 mAh typical | — |
| Battery life | Up to 12 days typical use, 30 days battery saver, 6 days heavy use or 35 hours continuous GPS | Up to 10 days; actual life varies with features and usage |
| Charging | Magnetic charging base; approximately 2 hours | Proprietary charging cable; approximately 2 hours from 0–100% |
| Water resistance | 5 ATM | 5 ATM / water resistant to 50 m; intended for suitable shallow-water use |
Compatibility
| Specification | Amazfit GTR 3 Pro | Fitbit Inspire 3 |
|---|---|---|
| Phone compatibility | Android 7.0 or later; iOS 12.0 or later | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required |
| Companion app | Zepp app | Google Health app |
| Colors | Brown Leather or Infinite Black | Midnight Zen, Lilac Bliss, or Morning Glow |
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