Amazfit T-Rex 3
Smartwatch · Android 7.0+ and iOS 14.0+ (Zepp app)
- Cheapest price
- £279
- Subscription
- Optional
- Over 3 years
- £279
Prices
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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 1.5 inch AMOLED screen, a stainless steel bezel and four buttons, certified for freediving to 45 metres. It tracks workouts with dual-band GPS, reads heart rate and blood oxygen, shows free offline maps with turn directions, and syncs to the Zepp app.
From the description on uk.amazfit.com.
Amazfit T-Rex 3 specs
- Type
- Smartwatch
- Works with
- Android 7.0+ and iOS 14.0+ (Zepp app)
- Battery
- Up to 27 days (typical use)
- Water resistance
- 10 ATM
- Size
- 48.5 x 48.5 x 13.75 mm (without heart rate base)
- Weight
- 68.3 g without strap
- Display
- 1.5 inch AMOLED, 480 x 480, 322 PPI, Gorilla Glass
- Materials
- Stainless steel bezel, polymer middle frame
- Strap
- Liquid silicone, 22 mm, fits 145-210 mm wrists
- Colours
- Onyx, Lava, Haze Gray
- Diving
- EN13319, ISO 6425 and GB/T 18828 certified for freediving to 45 m
- Sensors
- BioTracker 6.0 PPG, temperature, accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light
- GPS
- Dual-band, 6 satellite systems
- GPS battery
- Up to 42 hours accurate mode, 72 hours power saving, 180 hours max
- Connectivity
- Wi-Fi 2.4 GHz, Bluetooth 5.2, BLE
- Charging time
- About 3 hours (magnetic base)
- Battery capacity
- 700 mAh
Further specs from uk.amazfit.com.
How it compares
- To buy, it is the 21st cheapest of 67 smartwatches we compare (the middle one costs £361).
- Over three years, subscription included, it is the 21st 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 reviews and discussions
Reviews
- T3 review of the Amazfit T-Rex 3
- Wareable review of the Amazfit T-Rex 3
- nextpit review of the Amazfit T-Rex 3
Which?
- Which? tests of this kind of product 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 cheapest?
- Amazfit, at £279 when checked on 2026-10-29.
- Does the Amazfit T-Rex 3 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 cost over three years?
- £279, the price plus any required subscription.
- How does the Amazfit T-Rex 3 compare with other smartwatches?
- To buy, it is the 21st cheapest of 67 smartwatches we compare (the middle one costs £361). Over three years, subscription included, it is the 21st cheapest of 67 smartwatches. It measures 5 of the 8 features we compare; the middle smartwatch measures 5.
Compare with
- 1
- 3 years
- £264.99
- Price
- £264.99
- Subscription
- None
- 2
- 3 years
- £279.99
- Price
- £279.99
- Subscription
- Optional
- 3
- 3 years
- £299
- Price
- £299
- 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.