Coros HRM vs Suunto Smart Heart Rate Belt

Coros HRM

€89

Suunto Smart Heart Rate Belt

$79

Quick verdict

Coros HRM

€89

The better pick if you want:

No clear advantage on the specs we track.

Suunto Smart Heart Rate Belt

$79

The better pick if you want:

A higher overall score (85 vs 70)
To spend $20 less

Spec profile

Each axis ranks against the 14 products in Heart Rate Monitor on the site: the further out, the more it stands out in that spec (lighter, cheaper…).

Center: lowest in the category · Edge: highest

Coros HRM· leads in 1

Lightness

Suunto Smart Heart Rate Belt· leads in 3

Battery lifeFeaturesAffordability

Tied

Water resistance

Battery life
38 h
500 hTop 4%
Features
1
2
Range
10 m
No data
Water resistance
30 mTop 43%
30 mTop 43%
Lightness
19 gTop 4%
41 gTop 37%
Affordability
$99
$79Top 32%

A spec without data for a product is left out of its shape, so it doesn't count as a low score.

Technical Specifications

Compare features between Coros HRM vs Suunto Smart Heart Rate Belt

Best value in this comparisonOnly differences (15)

Essentials

€89

$79

July 2023

2014

Overview

Optical (PPG - photoplethysmography)

ECG (electrical heart rate measurement)

Optical heart rate sensor (5 LEDs, 4 photodetectors)

—

High-accuracy optical heart rate tracking from upper arm, More stable data compared to wrist-based sensors, Comfortable armband design (no chest strap required), Dual Bluetooth connection for multiple devices, Long battery life for extended training sessions

Accurate ECG-based heart rate tracking, Stores heart rate when the watch is out of range, e.g. swimming, Comfortable for all-day wear, Replaceable coin cell battery, Small and light Smart Sensor

Connectivity

Bluetooth Low Energy

Bluetooth Low Energy (1 connection)

Yes

Up to 10 m

—

Yes (3.5 hours at 120 bpm, with compatible Suunto watches)

Battery

Rechargeable (55 mAh)

CR2025 coin cell

Up to 38 hours (active use), 80 days standby

Up to 500 hours

Build & durability

3 ATM (30 meters)

30 m

-10°C to 50°C

-20°C to 60°C

19 g (sensor + band)

40.6 g (sensor + M strap)

Soft elastic fabric armband

Textile chest strap

Plastic

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Video Reviews

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Coros HRM

Suunto Smart Heart Rate Belt

Visual Comparison

See the differences between Coros HRM and Suunto Smart Heart Rate Belt 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: Coros HRM vs Suunto Smart Heart Rate Belt?

For value comparison: The Coros HRM ($99) provides premium features compared to the Suunto Smart Heart Rate Belt ($79). Consider your budget and the specific features that matter most for your trail running setup.