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Apex 2 Pro vs Forerunner 255

Coros Apex 2 Pro vs Garmin Forerunner 255

What Apex 2 Pro does better (5) and where Forerunner 255 wins (3) — every spec side by side.

Coros · 2022Apex 2 Pro

5.8Score

5 advantages≈ $450

Higher score

Garmin · 2022Forerunner 255

4.2Score

3 advantages≈ $350

3.8Display3.5

8.0Battery life4.8

4.9Health tracking4.9

4.6Sports & outdoor5.0

4.6Build & durability2.7

Dimensions

Size comparison

Apex 2 ProForerunner 255

	Apex 2 Pro	Forerunner 255	Difference
Height	46.5 mm	45.6 mm	+0.9 mm
Width	46.1 mm	45.6 mm	+0.5 mm
Thickness	14 mm	12.9 mm	+1.1 mm
Weight	66 g	49 g	+17 g

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

Why is Apex 2 Pro better than Forerunner 255?

GPS battery life66 h vs 30 h2.2×
Battery life (smartwatch mode)21 days vs 14 days+50%
Storage32 GB vs 4 GB8×
Sapphire crystalYes · Forerunner 255: No
GPS battery life (dual-band)24 h vs 16 h+50%

Why is Forerunner 255 better than Apex 2 Pro?

Weight66 g vs 49 g+35%
Sport profiles36 vs 58+61%
Thickness14 mm vs 12.9 mm+9%

Specifications

Side by side

Only differences	Coros Apex 2 Pro≈ $4505.8	Garmin Forerunner 255≈ $3504.2
Design & durability
Case size	46 mm	46 mm
Weight	66 g	49 g
Thickness	14 mm	12.9 mm
Height	46.5 mm	45.6 mm
Width	46.1 mm	45.6 mm
Case material	Titanium	Plastic / polymer
Sapphire crystal	Yes	No
Lens / cover glass	Sapphire Glass	Corning® Gorilla® Glass 3
Strap material	Silicone / Nylon	silicone
Water resistance	5 ATM	5 ATM
Water rating (maker)	5 ATM	5 ATM
Display
Screen size	1.3″	1.3″
Display technology	Memory-in-pixel (transflective)	Memory-in-pixel (transflective)
Panel	Touch Screen Always-On Memory LCD	Sunlight-visible, transflective memory-in-pixel
AMOLED / OLED display	No	No
Always-on display	Yes	Yes
Touchscreen	Yes	—
Resolution (width)	260 px	260 px
Resolution (height)	260 px	260 px
Pixel density	200 ppi	200 ppi
Battery
Battery life (smartwatch mode)	21 days	14 days
GPS battery life	66 h	30 h
GPS battery life (dual-band)	24 h	16 h
Battery type	—	Lithium ion
Wireless charging	—	No
Charging	—	Garmin proprietary plug charger
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	—
Temperature sensor	Yes	Yes
HRV tracking	Yes	Yes
Sleep tracking	Yes	Yes
Sensors	Optical Heart Rate Monitor, Barometric Altimeter, Accelerometer, Gyroscope, 3D Compass, Thermometer ), Optical Pulse Oximeter, Electrical Heart Rate Sensor for HRV and Wellness Checks	GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS
Offline maps	Yes	—
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	Yes	Yes
Sport profiles	36	58
Connectivity
NFC payments	—	Yes
Wi-Fi	Wi-Fi 4	—
ANT+ sensors	—	Yes
Smart features
Music on the watch	Yes	—
Storage	32 GB	4 GB
Third-party apps	—	Yes
Platform
Operating system	—	Garmin OS
Platform	Proprietary	Proprietary
Works with	—	iOS, Android