Amazfit T-Rex 3 Pro
Smartwatch · Android 7.0+ and iOS 15.0+ (Zepp app)
- Cheapest price
- £399.90
- Subscription
- Optional
- Over 3 years
- £399.90
Prices
- Amazfit£399.90View at Amazfit (opens in a new tab)
- AmazonAmazonFind it on Amazon (opens in a new tab)
We earn commission on some of these links. It never changes the order. Disclosure
What it measures
- Heart rate
- HRV
- Sleep stages
- Blood oxygen
- VO2 max
- Skin temperature
- Readiness score
- ECG (no)
- GPS
- Blood pressure (no)
As uk.amazfit.com states it.
What it does
A rugged outdoor smartwatch with a grade 5 titanium bezel and buttons, sapphire glass and an AMOLED screen, in 48 mm and 44 mm sizes. It tracks workouts with satellite positioning, reads heart rate and blood oxygen, shows offline maps with route planning and turn-by-turn directions, has a flashlight, microphone and speaker for calls, and supports Zepp Pay.
From the description on uk.amazfit.com.
Amazfit T-Rex 3 Pro specs
- Type
- Smartwatch
- Works with
- Android 7.0+ and iOS 15.0+ (Zepp app)
- Battery
- Up to 25 days (48 mm) or 17 days (44 mm), typical use
- Water resistance
- 10 ATM
- Sizes
- 48 mm (48 x 48 x 14 mm) or 44 mm (44.8 x 44.8 x 13.2 mm)
- Weight
- 48 mm 52 g, 44 mm 46.8 g, without strap
- Display
- AMOLED, 48 mm: 1.5 inch 480 x 480; 44 mm: 1.32 inch 466 x 466; up to 3,000 nits; sapphire glass
- Materials
- Fibre-reinforced polymer case; grade 5 titanium bezel and buttons
- Strap
- Silicone quick release, 22 mm (48 mm) or 20 mm (44 mm)
- Diving
- 45 m freediving and scuba
- Sensors
- BioTracker 6.0 PPG (5PD + 2LED), accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light, temperature
- GPS
- 6 satellite systems, circularly polarised antenna
- GPS battery
- 48 mm: up to 38 hours accurate mode, 116 hours max; 44 mm: up to 26 hours accurate, 86 hours max
- Connectivity
- Wi-Fi 2.4 GHz, Bluetooth 5.2, BLE, NFC (Zepp Pay)
- Battery capacity
- 700 mAh (48 mm), 500 mAh (44 mm)
Further specs from uk.amazfit.com.
How it compares
- To buy, it is the 42nd cheapest of 67 smartwatches we compare (the middle one costs £361).
- Over three years, subscription included, it is the 42nd cheapest of 67 smartwatches.
- It measures 5 of the 8 features we compare; the middle smartwatch measures 5.
- It needs no subscription; 0 of the 67 do.
Amazfit T-Rex 3 Pro reviews and discussions
Reviews
- TechRadar review of the Amazfit T-Rex 3 Pro
- Gadgets & Wearables review of the Amazfit T-Rex 3 Pro 2025-09
- nextpit review of the Amazfit T-Rex 3 Pro
Which?
- Which? review of the Amazfit T-Rex 3 Pro members' content
Links to other sites' reviews and discussions; we do not run them and they are not ours.
Subscription
- Zepp Aura optional: £29.99 a year.
- Adds: AI sleep coach, sleep reports and sleep music; core tracking free
- Source: uk.amazfit.com
Questions
- Where is the Amazfit T-Rex 3 Pro cheapest?
- Amazfit, at £399.90 when checked on 2026-10-29.
- Does the Amazfit T-Rex 3 Pro need a subscription?
- Zepp Aura optional: £29.99 a year. It adds: AI sleep coach, sleep reports and sleep music; core tracking free
- What does the Amazfit T-Rex 3 Pro cost over three years?
- £399.90, the price plus any required subscription.
- How does the Amazfit T-Rex 3 Pro compare with other smartwatches?
- To buy, it is the 42nd cheapest of 67 smartwatches we compare (the middle one costs £361). Over three years, subscription included, it is the 42nd cheapest of 67 smartwatches. It measures 5 of the 8 features we compare; the middle smartwatch measures 5.
Compare with
- 1
- 3 years
- £399.99
- Price
- £399.99
- Subscription
- Optional
- 2
- 3 years
- £399.99
- Price
- £399.99
- Subscription
- Optional
- 3
- 3 years
- £399.99
- Price
- £399.99
- Subscription
- Optional
Readings are not a diagnosis. If you are worried about your health, speak to your GP, pharmacist or NHS 111. How we earn.