Apple Apple Watch Series 7 (45mm) vs Apple Apple Watch Series 4
Apple Apple Watch Series 7 (45mm) ($91) vs Apple Apple Watch Series 4 ($73) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.
Spec-by-spec
| Spec | Apple Apple Watch Series 7 (45mm) | Apple Apple Watch Series 4 |
| Price | $91 | $73 |
| Weight | 38.8g | 36.7g |
| Chip | S7 SiP | S4, 64-bit dual-core |
| Case | 45mm aluminium, GPS | — |
| Display | Always-on Retina, larger than Series 6 | 30% larger Retina OLED vs Series 3 |
| Water | 50m, WR50 | — |
| Durability | IP6X dust resistant | — |
| Weight | 38.8g (Apple published) | 36.7g (Apple published, 44mm Aluminum) |
| Sensors | — | Electrical + optical heart sensor, ECG |
| Safety | — | Fall detection |
| WR | — | 50m |
Pros & Cons
Apple Apple Watch Series 7 (45mm)
- Bigger display than the Series 6 in a similar footprint
- IP6X dust resistance
- The cheapest always-on Apple Watch worth buying
- No temperature sensor
- Older S7 chip feels slower on modern watchOS
- Will drop off watchOS support before the others here
Apple Apple Watch Series 4
- First Apple Watch with an ECG sensor
- Meaningfully larger display in the same case size class
- Fall detection, a safety feature that debuted here
- Digital Crown haptic feedback, still felt today
- No always-on display
- watchOS support window is closing
- Speaker and mic are a generation behind current models
- Battery health on a used unit is unverifiable before buying
Apple Apple Watch Series 4 is the better value at $73. Both are part of our curated smartwatch index — tap through to check current pricing.