Skip to content
tecuy
Samsung

Galaxy Watch8

Fully verifiedSmartwatchReleased · 2025-07-25Announced 2025-07-09

Specs verified 2026-10-01 · source

Galaxy Watch8 is Samsung's 2025 Wear OS smartwatch, offered in 40mm and 44mm case sizes with the Exynos W1000 chipset.

At a glance

DisplaySuper AMOLED
Case sizes44mm: 46.0 × 43.7 × 8.6 mm
ChipPenta-core processor (1.6GHz + 1.5GHz)
Battery435 mAh
Water resistance5 ATM
ConnectivityBluetooth 5.3
SensorsHeart rate, Barometer/altimeter, SpO2, Skin temperature, BioActive sensor (antioxidant index)
OSWear OS 6, One UI 8 Watch

Device overview

Display

Super AMOLED, with up to 3000 nits peak brightness.

Chip

Powered by Penta-core processor (1.6GHz + 1.5GHz).

Health & sensors

Health and sensor features: Heart rate, Barometer/altimeter, SpO2, Skin temperature, BioActive sensor (antioxidant index).

Battery

Equipped with a 435 mAh battery rated for Up to 30 hours with Always On Display enabled.

Connectivity

Supports Wi-Fi 802.11 a/b/g/n, dual-band, Bluetooth 5.3, Available in LTE and Bluetooth models, and Samsung Wallet (NFC).

Specifications

Design & Build
Water resistance5 ATM
ColorsGraphite, Silver
Weight44mm: 34.0 g
Case dimensions44mm: 46.0 × 43.7 × 8.6 mm
Display
DisplaySuper AMOLED
Peak brightness3000 nits
Resolution44mm: 480×480 pixels
Performance
Chipset model nameExynos W1000 (marketing name — Samsung's own technical spec sheet states only core count/clock speed)
ChipsetPenta-core processor (1.6GHz + 1.5GHz)
Memory & Storage
Storage32 GB
Battery & Charging
Charging time10W wireless charging
Battery capacity435 mAh
Battery lifeUp to 30 hours with Always On Display enabled
Connectivity
Wi-FiWi-Fi 802.11 a/b/g/n, dual-band
BluetoothBluetooth 5.3
Contactless paymentsSamsung Wallet (NFC)
Cellular connectivityAvailable in LTE and Bluetooth models
PositioningDual-band GPS (L1 and L5)
Software
Operating system at launchWear OS 6, One UI 8 Watch
Phone compatibilityRequires a Samsung Galaxy smartphone running Android 12 or higher
Security & Sensors
Health sensorsHeart rate, Barometer/altimeter, SpO2, Skin temperature, BioActive sensor (antioxidant index)

Sources & verification

This device is fully verified: every required fact is confirmed from a Tier 1 (manufacturer/official) source.

Tier 1 sources are the manufacturer's own product pages, technical specification sheets, or support documentation. Tier 2 sources are reputable independent technical references, used only for facts that couldn't be confirmed from official documentation, as is the case for some facts here. Last verified 2026-10-01.