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Garmin Forerunner 405CX vs Garmin Forerunner 410

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

Better figure, where one is clearly better

GarminForerunner 405CXGarminForerunner 410
Overview
Released20092010
Display
Case sizes47.75 mm48 mm
Always-on displayYesYes
Display detailBacklit monochrome screen, 27 mm diagonal and 124 × 95 pixels; touch-sensitive bezel and two buttons. Panel technology is unpublished in the maker's specification.Backlit monochrome screen, 27 mm diagonal and 124 × 95 pixels; touch-sensitive bezel and two buttons. Up to three configurable training pages with one, two or three fields each; panel technology is unpublished.
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; ANT+ heart-rate chest strap, optional foot pod and cycling speed/cadence sensor. No optical wrist sensor.High-sensitivity GPS receiver; ANT+ heart-rate chest strap and optional foot pod or cycling speed/cadence sensor. No optical wrist sensor.
Fitness featuresHeart-rate-based calorie calculation developed with Firstbeat; custom and interval workouts, courses, Virtual Partner, Auto Lap, Auto Pause, Auto Scroll and configurable training screens.Heart-rate-based calorie estimates, custom and interval workouts, courses, Virtual Partner, Auto Lap, Auto Pause, Auto Scroll and pace, heart-rate, time and distance alerts.
Safety featuresUp to 100 stored locations and navigation to a saved location; no base maps.Stores up to 100 locations and provides 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 14 daysUp to 14 days
Mobile data optionNoNo
Works withNo phone pairingNo phone pairing
Battery life detailRechargeable 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.Rechargeable lithium-ion battery; up to eight hours with GPS or two weeks in power-save mode, according to Garmin China and the English manual. Garmin Slovakia instead quotes nine GPS hours. Can be shut down manually.
ChargingUSB contact charging clip and AC adapter.USB contact charging clip and AC adapter.
ConnectivityANT+ computer transfers through a USB ANT stick; Garmin Connect and Garmin Training Center. No direct phone pairing.ANT+ wireless computer transfer through a USB ANT stick; Garmin Connect and Garmin Training Center. No direct phone pairing.
StorageUp to 1,000 laps, 100 locations and approximately twenty hours of track points at one point every four seconds.Up to 1,000 lap records and 100 stored locations.
Design
Weight (lightest version)60 g60 g
SoftwareGarminGarmin
Case materialsIPX7 immersion protection, one metre for thirty minutes; the manual says the watch is not intended for swimming.IPX7 immersion protection, one metre for thirty minutes; Garmin Slovakia explicitly excludes swimming.
Size47.75 × 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.48 × 71 × 16 mm without the strap and 60 g. Width is used as the case size.
BandsStandard wrist strap and two additional form-fitting fabric straps for smaller or larger wrists.Standard wrist strap and additional fabric wrist straps.
ColoursDeep blue.–
In the boxWatch, heart-rate chest strap, USB ANT stick, AC adapter, USB charging clip, additional wrist straps and documentation.Watch, AC adapter, USB charging clip, USB ANT stick, additional wrist straps and documentation; premium heart-rate chest strap included in HR bundles.

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