Apple Watch Series 7 vs Apple Watch Series 8
The Verdict
Both watches share the same $399 price point and nearly identical display specs, but Series 8 pulls ahead with meaningful health upgrades. Series 8 adds skin temperature monitoring, a feature useful for cycle tracking and fever detection, plus Bluetooth 5.3 for improved connectivity efficiency. The S8 chip delivers modest performance gains over S7, though real-world differences remain subtle for most users. Series 8's Low Power Mode extends battery to 36 hours, doubling standard endurance, while Series 7 maxes out at 18 hours. Water resistance is equivalent at 50m, though Series 8 adds EN13319 dive certification for technical diving. Series 7 offers titanium cases unavailable on Series 8, appealing to weight-conscious users needing premium materials. Both feature ECG, blood oxygen, and sleep tracking. If health monitoring matters to you, Series 8's skin temp sensor and extended battery justify the purchase. Series 7 works fine for basic fitness tracking and remains capable, but Series 8 represents the more complete package at identical pricing.
Who Should Buy
Buy the Apple Watch Series 7 if…
- →Largest Apple Watch display at the time with 20% more screen area than Series 6
- →IP6X dust resistance added for the first time in Apple Watch
- →Fast charging reaches 80% in about 45 minutes
Buy the Apple Watch Series 8 if…
- →Crash Detection and temperature sensing are genuinely useful safety features
- →Always-On LTPO display is bright and readable even outdoors
- →Dual-frequency L1+L5 GPS provides precise tracking in dense urban areas
Category Scores
Pros & Cons
Apple Watch Series 7
Pros
- Largest Apple Watch display at the time with 20% more screen area than Series 6
- IP6X dust resistance added for the first time in Apple Watch
- Fast charging reaches 80% in about 45 minutes
- Full-QWERTY keyboard leverages the larger display
- Crack-resistant front crystal is more durable than predecessors
Cons
- S7 chip is essentially an S6 rebrand — minimal speed improvement
- 18-hour battery life hasn't improved in years
- No skin temperature sensor — added in Series 8
- Titanium option was very expensive at $799+
Apple Watch Series 8
Pros
- Crash Detection and temperature sensing are genuinely useful safety features
- Always-On LTPO display is bright and readable even outdoors
- Dual-frequency L1+L5 GPS provides precise tracking in dense urban areas
- ECG, SpO2, and skin temperature cover comprehensive health monitoring
- Low Power Mode extends battery to 36 hours for travel
Cons
- 18-hour standard battery still requires daily charging
- S8 chip is essentially identical to S7 — minimal performance upgrade
- Stainless steel model pushes price to $699+
- Skin temperature sensing is limited to cycle tracking on launch
Full Specifications
| Spec | Apple Watch Series 7 | Apple Watch Series 8 |
|---|---|---|
| Software | watchOS 8 (upgradable to watchOS 11+) | watchOS 9 (upgradable to watchOS 11+) |
| Body | ||
| Weight | 32 g (41mm Al) / 38.8 g (45mm Al) | 32 g (41mm Al) / 38.8 g (45mm Al) |
| Case material | Aluminum / Stainless Steel / Titanium | Aluminum / Stainless Steel |
| Water resistance | WR50 (50m), IP6X dust resistance | WR50 (50m), EN13319 dive certification |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 18 hours | Up to 18 hours (36 hrs in Low Power Mode) |
| Display | ||
| Size | 41mm / 45mm | 41mm / 45mm |
| Type | LTPO OLED Always-On Retina | LTPO OLED Always-On Retina |
| Always-on display | ||
| Resolution | 352 x 430 / 396 x 484 | 352 x 430 / 396 x 484 |
| Processor | ||
| Chipset | Apple S7 SiP | Apple S8 SiP |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.3 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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