Google Pixel Watch 4 41mm vs Google Pixel Watch 4 45mm
Which one should you buy?
Who leads where?
- CaseGoogle Pixel Watch 4 41mm
- Battery and ChargingGoogle Pixel Watch 4 45mm
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
The differences in short
Case Size: Google Pixel Watch 4 41mm 41 mm, Google Pixel Watch 4 45mm 45 mm. Processor is the same on both: Qualcomm Snapdragon W5 Gen 2. Google Pixel Watch 4 45mm leads on Battery Life: up to 40 hours against up to 30 hours. ECG App is the same on both: Yes. Water Resistance is the same on both: 5 ATM.
Which one for what you do?
Health Tracking
Even
77% – 77%
Sport & Outdoors
Google Pixel Watch 4 45mm
72% – 58%
Battery Life
Google Pixel Watch 4 45mm
64% – 50%
Daily Use
Google Pixel Watch 4 41mm
71% – 65%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 GoogleGoogle Pixel Watch 4 41mmNo reviews yet |  GoogleGoogle Pixel Watch 4 45mmNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Case Size | 41 mm | 45 mm |
| Processor | Qualcomm Snapdragon W5 Gen 2 | Qualcomm Snapdragon W5 Gen 2 |
| Battery Life | up to 30 hours | up to 40 hours |
| ECG App | Yes | Yes |
| Water Resistance | 5 ATM | 5 ATM |
| Health Sensors and Features | ||
| Heart Rate Sensor | Yes | Yes |
| SpO2 Sensor | Yes | Yes |
| ECG Sensor | Yes | Yes |
| Skin Temperature Sensor | Yes | Yes |
| ECG App | Yes | Yes |
| Display | ||
| Panel | AMOLED (LTPO) | AMOLED (LTPO) |
| Peak Brightness | 3000 nit | 3000 nit |
| Always-On Display | Yes | Yes |
| Case | ||
| Case Size | 41 mm | 45 mm |
| Case Thickness | 12.3 mm | 12.3 mm |
| Weight | 31.0 g | 36.7 g |
| Case Material | Aluminum | Aluminum |
| Front Glass | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Positioning and GNSS | ||
| GNSS Receiver | Yes | Yes |
| Dual-Band GNSS | Yes | Yes |
| GNSS Systems | GPS, Galileo, Glonass | GPS, Galileo, Glonass |
| Battery and Charging | ||
| The figure the maker states | up to 30 hours | up to 40 hours |
| What that figure measures | With always-on display on | With always-on display on |
| Capacity | 325 mAh | 455 mAh |
| Charging Type | Quick charge dock | Quick charge dock |
| Water and Dust Resistance | ||
| Water Resistance | 5 ATM | 5 ATM |
| IP Rating | IP68 | IP68 |
| Performance | ||
| Processor | Qualcomm Snapdragon W5 Gen 2 | Qualcomm Snapdragon W5 Gen 2 |
| RAM | 2 GB | 2 GB |
| Storage | 32 GB | 32 GB |
| Connectivity | ||
| Cellular | Optional | Optional |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Bluetooth | 6.0 | 6.0 |
| NFC | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Software | ||
| Operating System | Wear OS 6.0 | Wear OS 6.0 |
| Phone Compatibility | Android 11 and later | Android 11 and later |
Google Pixel Watch 4 45mm leads on 2 of 3 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.