Apple Watch Series 12 / Amazfit Bip 6

Apple Watch Series 12: 42 / 46 mm · Case material options

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.

SpecificationApple Watch Series 12Amazfit Bip 6
Release year20262025
ProcessorS11; 64-bit dual-core; 4-core Neural Engine Apple—
Storage64 GB Apple—
DisplayAlways-On Retina LTPO3 OLED; 326 ppi; 2000 nits peak, 1 nit minimum; 46 mm: 416 × 496; 42 mm: 374 × 446

LTPO3 drops to 1 Hz in Always-On mode to save power.

Apple
1.97-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 glassAluminium: Ceramic Shield 2; titanium/ceramic: sapphire Apple—
Case and material42 / 46 mm; aluminium, titanium or ceramic

Ceramic cases are slightly larger and thicker (9.85 mm); aluminium and titanium are 9.7 mm.

Apple
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Rated battery lifeUp to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours workout tracking

Apple's test profile; actual use varies.

Apple
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Rated charging timeAbout 80% in 30 minutes; 15 minutes gives up to 12 hours of normal use

Apple measured these with a 20 W adapter that is not included; a USB-C fast-charging cable is in the box.

Apple
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SensorsSecond-generation electrical and always-on optical heart sensors; blood oxygen; temperature; compass; always-on altimeter; high-g accelerometer; depth gauge to 6 m; water temperature AppleBioTracker 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
Health featuresECG; irregular rhythm and high/low heart rate notifications; hypertension and sleep apnoea notifications; sleep score; Vitals; Readiness

Some health features are limited by country and age; blood oxygen and temperature are not for medical use.

Apple
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Weight46 mm aluminium GPS 39.5 g; titanium 44.9 g; 42 mm aluminium GPS 32.2 g; titanium 36.5 g Apple27.9 g (without strap) Amazfit
Durability50 m water resistance (ISO 22810:2010); IP6X dust

For swimming and snorkelling to 6 m, not scuba diving. Resistance can diminish over time.

Apple
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ConnectivityWi-Fi 4 (2.4 and 5 GHz); Bluetooth 5.3; second-generation UWB; multi-constellation GPS; RedCap 5G on cellular models Apple—
CompatibilitywatchOS 27; iPhone 11 or later (including iPhone SE 2nd generation or later) running iOS 27 AppleAndroid 7.0 and later, iOS 14.0 and later; Zepp app

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

Amazfit
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
Water resistance—5 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
Battery—340 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
Positioning—5 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
Connectivity and calls—Bluetooth 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
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