Amazfit T-Rex 3 Pro vs Coros Pace 4 Pro

Amazfit T-Rex 3 Pro

$399.99

Coros Pace 4 Pro

€449

Quick verdict

Amazfit T-Rex 3 Pro

$399.99

The better pick if you want:

To spend $49.01 less
Longer battery (25 vs 21 days)

Coros Pace 4 Pro

€449

The better pick if you want:

No clear advantage on the specs we track.

Spec profile

Each axis ranks against the 33 products in Watch on the site: the further out, the more it stands out in that spec (lighter, cheaper…).

Center: lowest in the category · Edge: highest

Amazfit T-Rex 3 Pro· leads in 3

Smartwatch batteryWater resistanceAffordability

Coros Pace 4 Pro· leads in 2

GPS batteryFeatures

Tied

Lightness

GPS battery
38 h
60 hTop 20%
Smartwatch battery
25 daysTop 27%
21 daysTop 41%
Features
12Top 38%
14Top 18%
Water resistance
10 ATMTop 24%
5 ATM
Lightness
52 gTop 30%
51 gTop 26%
Affordability
$400Top 36%
$449Top 41%

Technical Specifications

Compare features between Amazfit T-Rex 3 Pro vs Coros Pace 4 Pro

Best value in this comparisonOnly differences (5)

Essentials

$399.99

€449

September 2025

September 2026

Battery

Up to 25 days

Up to 21 days (7 days always-on)

Display

Build & durability

10 ATM (diving to 45 m)

5 ATM

Features

Multi-band GNSS, Offline maps, Turn-by-turn directions, Route & back-to-start navigation, Barometric altimeter, Compass, Blood oxygen (SpO2), AMOLED display, Touchscreen, LED flashlight, Microphone / voice, Race predictor & pacing

Multi-band GNSS, Offline maps, Turn-by-turn directions, Route & back-to-start navigation, Barometric altimeter, Compass, Blood oxygen (SpO2), ECG, AMOLED display, Touchscreen, Music on the watch, LED flashlight, Microphone / voice, Race predictor & pacing

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Video Reviews

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Amazfit T-Rex 3 Pro

Coros Pace 4 Pro

Visual Comparison

See the differences between Amazfit T-Rex 3 Pro and Coros Pace 4 Pro in a side-by-side slider comparison.

Comparison Questions

Answers based on product data and key differences.

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Frequently Asked Questions

Which offers better value: Amazfit T-Rex 3 Pro vs Coros Pace 4 Pro?

For value comparison: The Amazfit T-Rex 3 Pro ($399.99) offers better affordability compared to the Coros Pace 4 Pro ($449). Consider your budget and the specific features that matter most for your trail running setup.