Garmin Forerunner 970 / Amazfit Bip 6

The numbers correspond to colour options; the US page does not map each number to a colour. The page image belongs to 010-02969-01, Whitestone case with Whitestone/Amp Yellow band.

The Forerunner 965 used Gorilla Glass 3 DX; sapphire is more scratch-resistant.

Garmin calls it its brightest AMOLED yet but publishes no nit figure. Touch and buttons can be used together.

2000 nits is the peak only, used briefly to improve readability in sunlight.

Red light disturbs night vision less in the dark.

The ECG app screens for signs of atrial fibrillation; it is for adults 22 and over and is not available in every region.

Running tolerance suggests a weekly maximum distance. Running economy and step speed loss need the separately sold HRM 600 chest strap.

With activity tracking, notifications and wrist heart rate; Garmin notes active features affect the result.

With music the figures are 14, 13 and 12 hours. Multi-band uses several satellite frequencies to improve accuracy in cities and valleys at the cost of more power.

Used for music and maps; this is not RAM.

Withstands pressure equivalent to 50 m depth; it is not a dive watch.

13.56 MHz is the NFC band used for contactless payments.

The standard 22 mm strap width lets third-party straps be fitted.

According to Amazfit the watch withstands the pressure of 50 metres of still water for up to 10 minutes; there are pool and open-water swimming modes.

A full charge takes 1.5–2.5 hours. The box includes a magnetic charging head but no USB-C cable; any USB-C cable can be used.

The PPG sensor tracks blood flow under the skin with light to measure heart rate, blood-oxygen saturation and heart-rate variability during sleep. These readings are not for medical diagnosis.

Built-in GPS lets runs and rides be recorded without the phone; turn-by-turn direction prompts are supported.

Calls go through the phone over Bluetooth; the watch has no cellular link or Wi-Fi. Third-party music apps cannot be installed, but music playing on the phone can be controlled.

Chest-strap heart-rate monitors, running and cycling power meters and cycling speed/cadence sensors can be paired. Data can be exported to apps such as Strava, komoot, Google Fit and Apple Health; there is no sync with Samsung Health or MyFitnessPal.

The Zepp Flow voice assistant works only in selected countries and regions.