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Forerunner 945 LTE vs Forerunner 955

Garmin Forerunner 945 LTE vs Garmin Forerunner 955

What Forerunner 945 LTE does better (2) and where Forerunner 955 wins (6) — every spec side by side.

Garmin · 2021Forerunner 945 LTE

4.4Score

2 advantages≈ $600

Garmin · 2022Forerunner 955

4.8Score

6 advantages≈ $500

Higher score

2.9Display3.8

5.2Battery life6.4

4.9Health tracking4.9

5.2Sports & outdoor6.0

9.8Smart features6.5

2.7Build & durability2.5

Dimensions

Size comparison

Forerunner 945 LTEForerunner 955

	Forerunner 945 LTE	Forerunner 955	Difference
Height	44.4 mm	46.5 mm	−2.1 mm
Width	44.4 mm	46.5 mm	−2.1 mm
Thickness	13.9 mm	14.4 mm	−0.5 mm
Weight	49 g	52 g	−3 g

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

Why is Forerunner 945 LTE better than Forerunner 955?

Weight49 g vs 52 g+6%
Thickness13.9 mm vs 14.4 mm+4%

Why is Forerunner 955 better than Forerunner 945 LTE?

Battery life (smartwatch mode)14 days vs 15 days+7%
GPS battery life35 h vs 42 h+20%
Storage16 GB vs 32 GB2×
Screen size1.2″ vs 1.3″+8%
Sport profiles60 vs 80+33%
Resolution (width)240 px vs 260 px+8%

Specifications

Side by side

Only differences	Garmin Forerunner 945 LTE≈ $6004.4	Garmin Forerunner 955≈ $5004.8
Design & durability
Case size	44 mm	46 mm
Weight	49 g	52 g
Thickness	13.9 mm	14.4 mm
Height	44.4 mm	46.5 mm
Width	44.4 mm	46.5 mm
Case material	Plastic / polymer	Plastic / polymer
Sapphire crystal	No	No
Lens / cover glass	Corning® Gorilla® Glass 3 DX	Corning® Gorilla® Glass 3 DX
Strap material	silicone	silicone
Water resistance	5 ATM	5 ATM
Water rating (maker)	5 ATM	5 ATM
Display
Screen size	1.2″	1.3″
Display technology	Memory-in-pixel (transflective)	Memory-in-pixel (transflective)
Panel	Sunlight-visible, transflective memory-in-pixel	Sunlight-visible, transflective memory-in-pixel
AMOLED / OLED display	No	No
Always-on display	Yes	Yes
Touchscreen	—	Yes
Resolution (width)	240 px	260 px
Resolution (height)	240 px	260 px
Pixel density	200 ppi	200 ppi
Battery
Battery life (smartwatch mode)	14 days	15 days
GPS battery life	35 h	42 h
GPS battery life (dual-band)	—	20 h
Wireless charging	No	No
Charging	Garmin proprietary plug charger	Garmin proprietary plug charger
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Temperature sensor	Yes	Yes
HRV tracking	Yes	Yes
Sleep tracking	Yes	Yes
Sensors	GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer	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
Satellite systems	GLONASS, GALILEO	GLONASS, GALILEO, BDS, QZSS
Offline maps	Yes	Yes
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	Yes	Yes
Sport profiles	60	80
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	—
Wi-Fi	Wi-Fi 4	Wi-Fi 4
ANT+ sensors	Yes	Yes
Smart features
Music on the watch	Yes	Yes
Storage	16 GB	32 GB
Third-party apps	Yes	Yes
Platform
Operating system	Garmin OS	Garmin OS
Platform	Proprietary	Proprietary
Works with	iOS, Android	iOS, Android