idk.dev
Compare
Descent G1 vs Forerunner 945 LTE

Garmin Descent G1 vs Garmin Forerunner 945 LTE

What Descent G1 does better (4) and where Forerunner 945 LTE wins (7) — every spec side by side.

Garmin · 2022Descent G1

5.7Score

4 advantages≈ $550

Higher score

Garmin · 2021Forerunner 945 LTE

4.4Score

7 advantages≈ $600

2.6Display2.9

6.6Battery life5.2

4.9Health tracking4.9

4.0Sports & outdoor5.2

9.5Build & durability2.7

Dimensions

Size comparison

Descent G1Forerunner 945 LTE

	Descent G1	Forerunner 945 LTE	Difference
Height	45.5 mm	44.4 mm	+1.1 mm
Width	45.5 mm	44.4 mm	+1.1 mm
Thickness	15.2 mm	13.9 mm	+1.3 mm
Weight	61 g	49 g	+12 g

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

Why is Descent G1 better than Forerunner 945 LTE?

Battery life (smartwatch mode)21 days vs 14 days+50%
Water resistance10 ATM vs 5 ATM2×
Sapphire crystalYes · Forerunner 945 LTE: No
Screen size1.27″ vs 1.2″+6%

Why is Forerunner 945 LTE better than Descent G1?

GPS battery life26 h vs 35 h+35%
Storage0.03 GB vs 16 GB533.3×
Weight61 g vs 49 g+24%
Pixel density139 ppi vs 200 ppi+44%
Resolution (width)176 px vs 240 px+36%
Sport profiles46 vs 60+30%
Thickness15.2 mm vs 13.9 mm+9%

Specifications

Side by side

Only differences	Garmin Descent G1≈ $5505.7	Garmin Forerunner 945 LTE≈ $6004.4
Design & durability
Case size	46 mm	44 mm
Weight	61 g	49 g
Thickness	15.2 mm	13.9 mm
Height	45.5 mm	44.4 mm
Width	45.5 mm	44.4 mm
Case material	Plastic / polymer	Plastic / polymer
Sapphire crystal	Yes	No
Lens / cover glass	sapphire crystal	Corning® Gorilla® Glass 3 DX
Strap material	silicone	silicone
Water resistance	10 ATM	5 ATM
Water rating (maker)	Dive (100 meters)	5 ATM
Rated dive depth	100 m	—
Display
Screen size	1.27″	1.2″
Display technology	Memory-in-pixel (transflective)	Memory-in-pixel (transflective)
Panel	Monochrome, sunlight-visible, transflective memory-in-pixel	Sunlight-visible, transflective memory-in-pixel
AMOLED / OLED display	No	No
Always-on display	Yes	Yes
Resolution (width)	176 px	240 px
Resolution (height)	176 px	240 px
Pixel density	139 ppi	200 ppi
Battery
Battery life (smartwatch mode)	21 days	14 days
Battery saver mode	48 days	—
GPS battery life	26 h	35 h
Wireless charging	No	No
Charging	Garmin proprietary clip charger	Garmin proprietary plug charger
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Temperature sensor	Yes	Yes
HRV tracking	—	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, Depth sensor	GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO	GLONASS, GALILEO
Offline maps	—	Yes
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	Yes	Yes
Sport profiles	46	60
Dive mode	Yes	—
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	—	Yes
Wi-Fi	—	Wi-Fi 4
ANT+ sensors	Yes	Yes
Smart features
Music on the watch	—	Yes
Storage	0.03 GB	16 GB
Third-party apps	Yes	Yes
Platform
Operating system	Garmin OS	Garmin OS
Platform	Proprietary	Proprietary
Works with	iOS, Android	iOS, Android