Reflex Active Series 40 AMOLED Smartwatch vs Suunto Race 3S

What Series 40 AMOLED Smartwatch does better (1) and where Race 3S wins (0) — every spec side by side.

1 advantage≈ $50

Suunto · 2026Race 3S

6.6Score

0 advantages

Higher score

8.6Display7.0

Dimensions

Size comparison

Series 40 AMOLED SmartwatchRace 3S

	Series 40 AMOLED Smartwatch	Race 3S	Difference
Case size	36 mm	46 mm	−10 mm

Drawn to the same scale from the official dimensions (front and side).

Race 3S has no measurable advantages in this pair.

Specifications

Only differences	Reflex Active Series 40 AMOLED Smartwatch≈ $50	Suunto Race 3S6.6
Design & durability
Case size	36 mm	46 mm
Weight	—	56 g
Thickness	—	11.4 mm
Height	—	46 mm
Width	—	46 mm
Case material	Aluminium	Titanium
Sapphire crystal	—	Yes
Lens / cover glass	Mineralglas Mineralglas	Sapphire crystal
Strap material	Silikon, Aluminium	Silicone
Water resistance	—	5 ATM
Water rating (maker)	—	50 m
Colours	Blue	—
Display
Screen size	1.85″	1.32″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	—	Yes
Touchscreen	Yes	Yes
Resolution (width)	—	466 px
Resolution (height)	—	466 px
Pixel density	—	353 ppi
Battery
Battery life (smartwatch mode)	—	12 days
Battery capacity	260 mAh	—
Battery type	—	rechargeable lithium-ion
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	—	Yes
Temperature sensor	—	Yes
HRV tracking	—	Yes
Sleep tracking	—	Yes
Sensors	heart rate	Optical HR, Barometer, Compass, Thermometer
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GPS	GPS, GLONASS, GALILEO, BDS, QZSS
Offline maps	—	Yes
Barometric altimeter	—	Yes
Compass	—	Yes
Multisport / triathlon mode	—	Yes
Dive mode	—	Yes
Connectivity
LTE (cellular)	Yes	—
Bluetooth	5.2	—
Smart features
Music on the watch	—	Yes
Storage	—	64 GB
Platform
Operating system	—	Suunto OS
Platform	—	Proprietary
Works with	iOS, Android	iOS, Android