Review Jan 26, 2026

Our verdict on Samsung Galaxy Watch 8

Samsung's thinnest Galaxy Watch yet brings meaningful refinements with its 3,000-nit display and native Gemini AI, but battery life remains stuck at one day and a new band …

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Overview

The Galaxy Watch 8 features an 11% thinner design at 8.6mm, a 3,000-nit display, the 3nm Exynos W1000 processor, and is the first smartwatch with native Google Gemini AI integration.

Key Features

  • 3,000-nit Super AMOLED display
  • Native Google Gemini AI
  • 3nm Exynos W1000 processor
  • 11% thinner design (8.6mm)
  • BioActive sensor with ECG, SpO2, body composition
  • Running Coach AI training

Description

The Samsung Galaxy Watch 8 combines a slimmer 8.6mm profile with meaningful upgrades including a 50% brighter display, the first native Google Gemini integration on a smartwatch, and comprehensive health tracking. Available in 40mm and 44mm sizes with optional LTE.

Specifications

Battery

Battery (40mm) 325 mAh
Battery (44mm) 435 mAh
Battery Life 30 hours (AOD on)

Connectivity

Bluetooth 5.3
Wi-Fi Yes
LTE Optional
NFC Yes

Display

Display Type Super AMOLED
Brightness 3000 nits

Physical

Thickness 8.6 mm
Sizes 40mm, 44mm
Weight (44mm) 33 g
Water Resistance 5ATM + IP68
Durability MIL-STD-810H

Sensors

Heart Rate Yes
ECG Yes
SpO2 Yes
Body Composition Yes (BIA)
Antioxidant Index Yes
Skin Temperature Yes

Software

OS Wear OS 6
UI One UI 8 Watch
Processor Exynos W1000 (3nm)
Storage 32 GB