Comparison · Fitness watches · Desk research
Google Pixel Watch 4 vs Google Pixel Watch 5
Quick Answer
Pixel Watch 4 and Pixel Watch 5 share 41mm / 45mm recycled-aluminum cases, 12.3mm height, Actua 360 AMOLED LTPO at 320 ppi up to 3,000 nits, Bluetooth 6.0, US dual-frequency GPS, Satellite SOS on the US connectivity row, 5 ATM / IP68, and Google Help’s 30-hour (41mm) / 40-hour (45mm) always-on tables. Pixel Watch 4 (Help 12651869): Snapdragon W5 Gen 2 + Cortex-M55, Wear OS 6.0, 32GB eMMC + 2GB SDRAM, 41mm 325 mAh / 45mm 455 mAh, Android 11.0.
The verdict
Google Pixel Watch 4 or Google Pixel Watch 5 — quote the two manufacturer sheets.
Why: One-year Pixel hop on the same Help page (answer 12651869). Shared 41/45mm recycled-aluminum class, 12.3mm height, Actua 360 up to 3,000 nits, Bluetooth 6.0, US dual-frequency GPS, Satellite SOS on the US LTE row, 5 ATM / IP68, and nearly the same AOD hour table. Pixel Watch 5 adds Snapdragon W5 Gen 2 Accelerated, Wear OS 7.0, 64GB, Android 12.0+ pairing, and 45mm 465 mAh (41mm 332 mAh). Pixel Watch 4 is W5 Gen 2 + Cortex-M55, Wear OS 6.0, 32GB + 2GB SDRAM, Android 11.0+, 45mm 455 mAh (41mm 325 mAh). Do not write dual-frequency GPS or 3,000 nits as Watch 5-only — Watch 4 already lists both.
Buy Google Pixel Watch 4 if
You already wear Pixel Watch 4 (41 or 45mm) and Wear OS 6 plus 32GB plus the 30/40-hour AOD table still match how you use the watch.
Buy Google Pixel Watch 5 if
You want the current Pixel Watch: Wear OS 7, W5 Gen 2 Accelerated, and 64GB.
Spec comparison
Both columns from Google Help — Pixel Watch technical specifications, accessed 19 September 2026. Caption size when quoting battery.
| Spec | Pixel Watch 4 | Pixel Watch 5 |
|---|---|---|
| Sizes / height / weight | 41mm and 45mm; 12.3mm; 31g / 36.7g without band | 41mm and 45mm; 12.3mm; 31.0g / 36.7g without band |
| Display | Actua 360; Gorilla Glass 5; 320 ppi AMOLED LTPO; up to 3,000 nits; 1 nit min; 1–60 Hz AOD | Actua 360; same glass class; 320 ppi AMOLED LTPO; up to 3,000 nits; 1 nit AOD |
| Chip | Snapdragon W5 Gen 2; Cortex-M55 | Snapdragon W5 Gen 2 Accelerated; Cortex-M55 |
| OS | Wear OS 6.0 | Wear OS 7.0 |
| Storage | 32GB eMMC + 2GB SDRAM | 64GB eMMC |
| Battery 41mm | 325 mAh typical; 30h AOD; 48h Saver | 332 mAh typical; 30h AOD; 48h Saver |
| Battery 45mm | 455 mAh typical; 40h AOD; 72h Saver | 465 mAh typical; 40h AOD; 72h Saver |
| Charge 41mm (OEM) | ~15 / 25 / 45 min to 50 / 80 / 100% | ~15 / 25 / 45 min to 50 / 80 / 100% |
| Charge 45mm (OEM) | ~15 / 30 / 60 min to 50 / 80 / 100% | ~15 / 30 / 60 min to 50 / 80 / 100% |
| GNSS (US) | Dual Frequency GPS: GPS, Galileo, Glonass | Dual Frequency GPS: GPS, Galileo, Glonass |
| Satellite | Satellite SOS on the US LTE connectivity row | Satellite SOS on the US connectivity row |
| Bluetooth | 6.0 | 6.0 |
| Water | 5 ATM; IP68 | 5 ATM; IP68 |
| Phone | Android 11.0 or newer | Android 12.0 or newer |
Who each watch is for
Pixel Watch 4 already has the bright Actua 360 panel, US dual-frequency GPS, and the 30/40-hour AOD table. If Wear OS 6 and 32GB still match the wrist, Help does not print a reason to force Watch 5 for nits or GNSS.
Pixel Watch 5 is the current Pixel Watch. The Help-page hop is the Accelerated chip suffix, Wear OS 7, 64GB, a small typical-mAh bump, and Android 12.0+ pairing.
Do not invent a GNSS or nits gap
Watch 4 Help already lists Dual Frequency GPS (US) and 3,000 nits. Those rows are shared. The skip-gen GNSS story lives on Watch 3 vs Watch 5.
Frequently asked questions
Did dual-frequency GPS arrive on Pixel Watch 5?
No. On Help 12651869 accessed 19 September 2026, Pixel Watch 4’s US GPS row already lists Dual Frequency GPS: GPS, Galileo, Glonass. Watch 5 repeats that US dual-frequency row. The hop from Watch 3 is documented on /watches/google-pixel-watch-3-vs-pixel-watch-5/.
Did the AOD hour table jump?
Not on the named 41mm / 45mm rows. Watch 4 and Watch 5 both list up to 30 hours AOD on 41mm and 40 hours AOD on 45mm. Watch 5’s mAh ticks up (325→332; 455→465). Copy both.
What actually changed?
Help rows that differ: W5 Gen 2 versus W5 Gen 2 Accelerated; Wear OS 6.0 versus Wear OS 7.0; 32GB + 2GB SDRAM versus 64GB eMMC; Android 11.0+ versus Android 12.0+.