Pixel Watch 4

Name: Pixel Watch 4
Brand: Google

Fully verifiedSmartwatchReleased · 2025-10-09Announced 2025-08-20

Specs verified 2026-10-01 · source

Pixel Watch 4 is Google's 2025 Wear OS smartwatch, offered in 41mm and 45mm case sizes.

Official product page

At a glance

DisplayActua 360 display, Custom 3D Corning Gorilla Glass 5, 320 ppi AMOLED LTPO, DCI-P3 color

Case sizes45mm: 45 × 45 × 12.3 mm

ChipQualcomm Snapdragon W5 Gen 2 with Cortex-M55 co-processor

Battery41mm: 325 mAh (typical), 45mm: 455 mAh (typical) mAh

Water resistance5 ATM, IP68

ConnectivityBluetooth 6.0

SensorsHeart rate, ECG, SpO2, Skin temperature, Skin conductance

OSWear OS 6

Device overview

Display

Actua 360 display, Custom 3D Corning Gorilla Glass 5, 320 ppi AMOLED LTPO, DCI-P3 color, with 456×456 pixels (~320 ppi) resolution and up to 3000 nits peak brightness.

Chip

Health & sensors

Health and sensor features: Heart rate, ECG, SpO2, Skin temperature, Skin conductance.

Battery

Battery capacity: 41mm: 325 mAh (typical), 45mm: 455 mAh (typical) mAh rated for Up to 30 hours with always-on display (41mm); up to 40 hours with always-on display (45mm).

Connectivity

Supports Wi-Fi 802.11a/b/g/n/ac/ax, 2.4GHz + 5GHz, Bluetooth 6.0, 4G LTE (cellular model only; requires a compatible wireless service plan), and NFC.

Specifications

Design & Build
Water resistance	5 ATM, IP68
Colors	Matte Black, Polished Silver, Champagne Gold, Satin Moonstone
Weight	41mm: 31 g 45mm: 36.7 g
Case dimensions	45mm: 45 × 45 × 12.3 mm
Build materials	100% recycled aluminium housing
Display
Display	Actua 360 display, Custom 3D Corning Gorilla Glass 5, 320 ppi AMOLED LTPO, DCI-P3 color
Peak brightness	3000 nits
Resolution	456×456 pixels (~320 ppi)
Performance
Chipset model name	Qualcomm Snapdragon W5 Gen 2
Chipset	Qualcomm Snapdragon W5 Gen 2 with Cortex-M55 co-processor
Memory & Storage
Storage	32 GB
Battery & Charging
Charging time	45mm: 50% in 15 min, 100% in 60 min · 41mm: 50% in 15 min, 100% in 45 min
Battery capacity	41mm: 325 mAh (typical) 45mm: 455 mAh (typical) mAh
Battery life	Up to 30 hours with always-on display (41mm); up to 40 hours with always-on display (45mm)
Connectivity
Wi-Fi	Wi-Fi 802.11a/b/g/n/ac/ax, 2.4GHz + 5GHz
Bluetooth	Bluetooth 6.0
Contactless payments	NFC
Cellular connectivity	4G LTE (cellular model only; requires a compatible wireless service plan)
Positioning	GPS, GLONASS, Galileo
Software
Operating system at launch	Wear OS 6
Phone compatibility	Works with most phones running Android 11.0 or newer
Security & Sensors
Health sensors	Heart rate, ECG, SpO2, Skin temperature, Skin conductance

Sources & verification

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

Google LLCManufacturer
Tier 1
Google LLCManufacturer
Tier 1
Google LLCManufacturer
Tier 1
GSMArena — Google Pixel Watch 4Independent technical source
Tier 2

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.