Garmin Venu 4 (45 mm) / Apple Watch Series 6 (40 mm, GPS)

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

Specification	Garmin Venu 4 (45 mm)	Apple Watch Series 6 (40 mm, GPS)
Release year	2025	2020
Launch	Announced 17 September 2025; sales began 22 September 2025 Garmin	—
Display	1.4-inch AMOLED; 454 × 454; touch, optional always-on mode Garmin	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
Cover glass	Corning Gorilla Glass 3 Garmin	—
Case and band	Stainless steel / fibre-reinforced polymer; 22 mm quick-release band Garmin	—
Weight	38 g case; 56 g with silicone band Garmin	—
Storage	8 GB; music storage Garmin	32 GB Apple
Positioning	Multi-GNSS, multi-band GPS and SatIQ automatic selection Garmin	—
Battery	Up to 12 days in smartwatch mode; 20 hours GPS-only; 17 hours multi-band Garmin	—
Always-on display	Up to 4 days, according to Garmin Garmin	—
Water resistance	5 ATM; suitable for swimming Garmin	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
Connectivity and calls	Bluetooth, ANT+, Wi-Fi; speaker / microphone, paired compatible phone required for calls Garmin	—
Health and training	Heart rate, HRV, sleep, skin temperature; training readiness and recovery tracking Garmin	—
Software 18.32	Includes fixes for resets when changing screens during activities and Spotify playback after skipping tracks with Bluetooth headphones 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
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