Charge 5: HR, SpO2 monitor, EDA sensor, ECG readings, built-in GPS, NFCĪll three Fitbit Charge devices being compared here have an optical heart rate monitor, offering automatic and continuous heart rate tracking.Charge 4: HR, SpO2 monitor, built-in GPS, NFC.Charge 3: HR, SpO2 monitor, connected GPS, NFC in some models.This makes everything you see on the wrist much brighter, while Fitbit has also installed an always-on display option for the first time on a tracker. However, because of that new look, there's also a range of slightly different designs to pick between - standard silicone options are joined by breathable sport alternatives, nylon hook and loop bands and hand-crafted Horween leather straps.Īfter offering an OLED display with the Charge 3 and Charge 4, the Charge 5 is also the first to feature an AMOLED screen. The Fitbit Charge 3 and Charge 4 are virtually identical in design, but Fitbit has pivoted away from the square look of these devices for a sleeker and thinner Charge 5 body.ĭespite the Charge 5's redesign, they all still share the same penchant for interchangeable straps.
Charge 4: OLED touchscreen, buckle, aluminium, interchangeable straps, water-resistant.Charge 3: OLED touchscreen, buckle, aluminium, interchangeable straps, water-resistant.
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