Garmin Venu 4 (45 mm) / Apple Watch Series 8 (45 mm, GPS)

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

Apple Watch Series 8 (45 mm, GPS): Apple Watch Series 8, 45 mm aluminium case, GPS model. The 41 mm case, GPS + Cellular and stainless steel versions are separate models; weight and screen size differ.

Specification	Garmin Venu 4 (45 mm)	Apple Watch Series 8 (45 mm, GPS)
Release year	2025	2022
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; 396 × 484 pixels; 1143 sq mm display area; up to 1000 nits The LTPO panel can lower its refresh rate a lot, so the screen stays on dimmed when the wrist is 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	—
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	—
Chip	—	S8 SiP with 64-bit dual-core processor; W3 wireless chip; U1 (Ultra Wideband) Ultra Wideband is used for close-range location with an iPhone; availability varies by region. Apple
Health sensors	—	Blood oxygen sensor; electrical heart sensor (ECG app); third-generation optical heart sensor The Blood Oxygen app is not for medical use. The ECG app is not intended for people under 22 and may not be available in every country. Apple
Motion and safety	—	High-g accelerometer up to 256 g (Fall Detection and Crash Detection); high dynamic range gyroscope; Emergency SOS; international emergency calling On the GPS model, Emergency SOS needs a nearby iPhone or Wi-Fi Calling; international emergency calling works only on cellular models. Apple
Location	—	L1 GPS, GLONASS, Galileo, QZSS and BeiDou; compass; always-on altimeter This is single-frequency (L1) GPS; drift between tall buildings can be higher than on dual-frequency models. Apple
Connectivity	—	Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3 Apple
Battery and charging	—	Up to 18 hours; built-in lithium-ion battery; USB-C magnetic fast charging cable Apple’s 18-hour figure is based on 90 time checks, 90 notifications, 45 minutes of app use and a 60-minute workout with music; sleep tracking is not part of that scenario. Apple
Durability	—	Water resistant to 50 metres under ISO 22810:2010; IP6X dust; ceramic and sapphire crystal back Suitable for shallow-water activities in a pool or the sea; not for scuba diving, waterskiing or high-velocity water. Apple
Size and weight	—	45 × 38 × 10.7 mm; aluminium GPS: 38.8 g Apple
Compatibility	—	Requires iPhone 8 or later with iOS 16 or later It cannot be used with Android phones. Apple
Colours	—	Aluminium: Midnight, Starlight, Silver, (PRODUCT)RED Apple