Looking for an honest Apple Watch SE 2 40mm vs Apple Watch Series 8 (GPS Cellular) 45mm comparison in 2026? We scored both smartwatches on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. Both products score nearly identically (37/100 vs 37/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. The widest gap is in design and build, where the Apple Watch SE 2 40mm pulls noticeably ahead. On price the Apple Watch SE 2 40mm undercuts the Apple Watch Series 8 (GPS Cellular) 45mm by 50% ($107 vs $160), which materially changes the value calculus for budget-conscious buyers.
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Apple Watch SE 2 40mm and Apple Watch Series 8 (GPS Cellular) 45mm are closely matched smartwatches devices with nearly identical overall scores (37 vs 37). The best choice depends on which specific features matter most to you.
Apple
$107
Scores are relative within the smartwatchescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Apple Watch SE 2 40mm | Apple Watch Series 8 (GPS Cellular) 45mm |
|---|---|---|
| Display | 1.78" | 1.9"✓ |
| Display Type | LTPO OLED | Always-on Retina LTPO OLED |
| Resolution | 368 x 448 pixels | 396 x 484 pixels |
| Chipset | Apple S9 SiP | Apple S8 SiP |
| OS | watchOS 11 | watchOS 9 |
| Heart Rate | Optical HR 24/7 | Optical HR 24/7 |
| SpO2 | Yes (blood oxygen) | Yes (blood oxygen) |
| ECG | Yes (FDA approved) | Yes (FDA approved) |
| Temperature | — | Wrist skin temperature |
| GPS | Yes | Yes |
| Workout Modes | Multiple modes including swimming | 80+ |
| Swim Proof | 50m water resistance | 50m water resistance |
| Battery Life | 18hrs | 18hrs |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 |
| NFC | Yes | Yes |
| Case Material | Aluminium | Aluminium |
| Water Resistance | WR50 | IP6X, WR50 |
| Weight | 33g✓ | 47g |
| Price | 107$✓ | 160$ |
Buy Apple Watch SE 2 40mm if…
Choose the Apple Watch SE 2 40mm if budget is your top priority — it offers competitive specs at a lower price point.
Buy Apple Watch Series 8 (GPS Cellular) 45mm if…
The Apple Watch Series 8 (GPS Cellular) 45mm is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Apple Watch SE 2 40mm and Apple Watch Series 8 (GPS Cellular) 45mm are closely matched smartwatches devices with nearly identical overall scores (37 vs 37). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Apple Watch SE 2 40mm is cheaper at $107 vs $160 for the Apple Watch Series 8 (GPS Cellular) 45mm.
Choose the Apple Watch SE 2 40mm if budget is your top priority — it offers competitive specs at a lower price point.
The Apple Watch Series 8 (GPS Cellular) 45mm is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Apple Watch Series 8 (GPS Cellular) 45mm has a larger battery (308mAh vs 273mAh for the Apple Watch SE 2 40mm), which generally means longer use between charges.
Both offer 18 hours of battery life.
Apple Watch Series 8 (GPS Cellular) 45mm has the larger display (1.9" vs 1.78").
Apple Watch SE 2 40mm is lighter at 33g vs 47g.
Reviewed by VersusMatrix Editorial Team
Last updated: May 10, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
