Garmin fēnix 8 Pro 47 mm AMOLED / Apple Watch Series 6 (40 mm, GPS)

Garmin fēnix 8 Pro 47 mm AMOLED: 010-03198-11 · sapphire, titanium; Graphite/black silicone band

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.

SpecificationGarmin fēnix 8 Pro 47 mm AMOLEDApple Watch Series 6 (40 mm, GPS)
Release year20252020
Announcement and availabilityAnnounced September 3, 2025; on sale from September 8, 2025 Garmin—
Display1.4-inch AMOLED, 454 × 454; touchscreen GarminAlways-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
LensSapphire Garmin—
Bezel and rearTitanium Garmin—
Dimensions47 × 47 × 16 mm Garmin—
Weight77 g with band Garmin—
Storage32 GB internal storage for maps and music Garmin32 GB Apple
Smartwatch battery lifeGesture display: up to 15 days; always-on: 8 days Garmin—
GPS battery lifeGPS only: up to 44 hours; 33 hours with always-on display Garmin—
Multi-band battery lifeAll systems + multi-band: up to 30 hours; 23 hours always-on Garmin—
LTE LiveTrack battery lifeAll systems + multi-band + LTE LiveTrack: up to 12 hours; 11 hours always-on

Manufacturer scenarios; enabled features change actual runtime.

Garmin		—
CommunicationSatellite messages/location; LTE Messenger calls and LiveTrack

Active inReach subscription and service coverage required.

Garmin		—
AudioBuilt-in microphone and speaker Garmin—
FlashlightWhite/red LED flashlight Garmin—
Water and diving10 ATM; recreational diving features to 40 m

A 10 ATM rating does not authorize diving to 100 m.

Garmin		—
TemperatureOperating: −20–45 °C; charging: 0–45 °C Garmin—
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
Water resistance—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
Chip—S6 SiP with 64-bit dual-core processor; W3 wireless chip; U1 Ultra Wideband chip

Ultra Wideband availability varies by region.

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
Compatibility—Requires an iPhone 6s or later with iOS 14 or later Apple
Size and weight—40 × 34 × 10.7 mm; 30.5 g (aluminium, without band) Apple