Amazfit Bip 6 / Apple Watch Series 6 (40 mm, GPS)

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.

Apple Watch Series 6 (40 mm, GPS): Apple Watch Series 6, 40 mm aluminium case, GPS (2020). The 44 mm and GPS + Cellular versions, stainless steel/titanium cases and the Nike and Hermès editions are separate.

Specification	Amazfit Bip 6	Apple Watch Series 6 (40 mm, GPS)
Release year	2025	2020
Display	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	Always-On Retina LTPO OLED; 324 × 394 pixels, 759 mm² display area; 1000 nits The Always-On display keeps the time and complications visible with the wrist down. Apple
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	—
Weight	27.9 g (without strap) 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	50 metres (ISO 22810:2010) Suitable for shallow-water swimming in a pool or the sea, but not scuba diving, waterskiing or high-velocity water. Apple
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	—
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	—
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	—
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	Requires an iPhone 6s or later with iOS 14 or later Apple
Case and version	—	40 mm aluminium case, GPS; Silver, Space Gray, Gold, Blue, (PRODUCT)RED Stainless steel and titanium cases were only sold in the GPS + Cellular version. The 44 mm model uses the same chip but has a different display and weight. Apple
Chip	—	S6 SiP with 64-bit dual-core processor; W3 wireless chip; U1 Ultra Wideband chip Ultra Wideband availability varies by region. Apple
Storage	—	32 GB Apple
Health sensors	—	Blood oxygen sensor (Blood Oxygen app), electrical heart sensor (ECG app), third-generation optical heart sensor Apple states Blood Oxygen measurements are not for medical use and are only designed for general fitness and wellness. The ECG app is not intended for people under 22. Apple
Other sensors and safety	—	Always-on altimeter, compass, accelerometer up to 32 g with fall detection, gyroscope, ambient light sensor; Emergency SOS On the GPS model, Emergency SOS needs the iPhone nearby; otherwise the watch must be on a known Wi‑Fi network with Wi‑Fi Calling on. International emergency calling is only on the cellular model. Apple
Wireless	—	Wi‑Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.0 LTE and UMTS are only on GPS + Cellular models. Apple
Battery and charging	—	Built-in lithium-ion battery; up to 18 hours; magnetic charging cable (1 m) The 18-hour figure comes from Apple’s August 2020 testing with pre-production watches paired to an iPhone; it varies with use. Apple
Other	—	Speaker, microphone, Apple Pay, GymKit; ceramic and sapphire crystal back Apple
Size and weight	—	40 × 34 × 10.7 mm; 30.5 g (aluminium, without band) Apple