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Garmin Forerunner 110 vs Garmin Forerunner 405CX

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

GarminForerunner 110GarminForerunner 405CX
Overview
Released20102009
Display
Case sizes45 mm47.75 mm
Always-on displayYesYes
Display detailBacklit monochrome screen with 25.1 mm diagonal; fixed training pages and four physical buttons. Garmin's manuals do not specify panel technology or pixel resolution.Backlit monochrome screen, 27 mm diagonal and 124 × 95 pixels; touch-sensitive bezel and two buttons. Panel technology is unpublished in the maker's specification.
Health and fitness
ECGNoNo
Blood oxygenNoNo
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandSingle-band
SensorsHigh-sensitivity GPS receiver with HotFix satellite prediction; optional ANT+ heart-rate chest strap. No optical wrist sensor or foot-pod support.High-sensitivity GPS receiver with HotFix; ANT+ heart-rate chest strap, optional foot pod and cycling speed/cadence sensor. No optical wrist sensor.
Fitness featuresTime, distance, calories and lap-average or run-average pace; Auto Lap and manual laps. No interval or custom workouts.Heart-rate-based calorie calculation developed with Firstbeat; custom and interval workouts, courses, Virtual Partner, Auto Lap, Auto Pause, Auto Scroll and configurable training screens.
Safety features–Up to 100 stored locations and navigation to a saved location; no base maps.
Battery and connections
Battery life (maker's claim)Up to 8 hoursUp to 8 hours
In low-power modeUp to 21 daysUp to 14 days
Mobile data optionNoNo
Works withNo phone pairingNo phone pairing
Battery life detailRechargeable 200 mAh lithium-ion battery; up to eight hours with GPS, three weeks in power-save mode or one week with forty-five minutes of GPS training each day.Rechargeable 300 mAh lithium-ion battery; up to eight hours with GPS or two weeks in power-save mode, according to the English owner's manual. Garmin Slovakia instead quotes nine GPS hours.
ChargingUSB contact charging clip and AC adapter.USB contact charging clip and AC adapter.
ConnectivityUSB mass-storage activity transfers to a computer and Garmin Connect; ANT+ heart-rate sensors. No direct phone pairing.ANT+ computer transfers through a USB ANT stick; Garmin Connect and Garmin Training Center. No direct phone pairing.
StorageApproximately 180 hours of activity history, according to the owner's manuals; oldest data is overwritten when full.Up to 1,000 laps, 100 locations and approximately twenty hours of track points at one point every four seconds.
Design
Weight (lightest version)52 g60 g
SoftwareGarminGarmin
Case materialsIPX7 immersion protection, one metre for thirty minutes; the English manual says the watch is not intended for swimming.IPX7 immersion protection, one metre for thirty minutes; the manual says the watch is not intended for swimming.
Size45 × 69 × 14 mm and 52 g, as listed in Garmin Slovakia's manual. Width is used as the case size.47.75 × 70.5 × 16.4 mm and 60 g, according to the English manual; Garmin Slovakia rounds this to 48 × 71 × 16 mm. Width is used as the case size.
Bands–Standard wrist strap and two additional form-fitting fabric straps for smaller or larger wrists.
Colours–Deep blue.
In the boxWatch, charging/data cable, AC adapter and documentation; heart-rate strap included in some bundles.Watch, heart-rate chest strap, USB ANT stick, AC adapter, USB charging clip, additional wrist straps and documentation.

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