Garmin Venu 4 (45 mm) / Amazfit Bip 6

Garmin Venu 4 (45 mm): 010-03014-00 · Slate case / black silicone band

Amazfit Bip 6: Single case size: 1.97-inch AMOLED, 46.3 × 40.2 mm; Black, Charcoal, Stone and Red colours. There is no cellular (LTE) version; the larger Bip Max is a separate model.

SpecificationGarmin Venu 4 (45 mm)Amazfit Bip 6
Release year20252025
LaunchAnnounced 17 September 2025; sales began 22 September 2025 Garmin—
Display1.4-inch AMOLED; 454 × 454; touch, optional always-on mode Garmin1.97-inch AMOLED, 390 × 450 pixels, 302 ppi; up to 2000 nits peak brightness; tempered glass with anti-fingerprint coating

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

Amazfit
Cover glassCorning Gorilla Glass 3 Garmin—
Case and bandStainless steel / fibre-reinforced polymer; 22 mm quick-release band Garmin—
Weight38 g case; 56 g with silicone band Garmin27.9 g (without strap) Amazfit
Storage8 GB; music storage Garmin—
PositioningMulti-GNSS, multi-band GPS and SatIQ automatic selection Garmin5 satellite systems; built-in GPS

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

Amazfit
BatteryUp to 12 days in smartwatch mode; 20 hours GPS-only; 17 hours multi-band Garmin340 mAh; 14 days typical use, 6 days heavy use, 26 days in battery saver mode, 32 hours of continuous GPS

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.

Amazfit
Always-on displayUp to 4 days, according to Garmin Garmin—
Water resistance5 ATM; suitable for swimming Garmin5 ATM

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.

Amazfit
Connectivity and callsBluetooth, ANT+, Wi-Fi; speaker / microphone, paired compatible phone required for calls GarminBluetooth 5.2 (BLE); microphone and speaker; Bluetooth calling, notifications and quick reply

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.

Amazfit
Health and trainingHeart rate, HRV, sleep, skin temperature; training readiness and recovery tracking Garmin—
Software 18.32Includes fixes for resets when changing screens during activities and Spotify playback after skipping tracks with Bluetooth headphones Garmin—
Case and strap—46.3 × 40.2 × 10.45 mm; aluminium-alloy frame, fibre-reinforced polymer case; 22 mm liquid-silicone strap for 130–195 mm wrists, classic pin buckle; 2 buttons

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

Amazfit
Sensors—BioTracker PPG biometric sensor (5 photodiodes + 2 LEDs); accelerometer, gyroscope, ambient light, magnetometer

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.

Amazfit
Sports and health—140+ sports modes; automatic recognition of 25 strength exercises and 7 sports movements; 24-hour heart rate, blood-oxygen and stress monitoring; sleep stages and sleep breathing quality; Readiness score, PAI

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.

Amazfit
Compatibility—Android 7.0 and later, iOS 14.0 and later; Zepp app

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

Amazfit