Apple Watch Series 9 vs Watch Series 8: A detailed comparison
The Apple Watch Series 9 design is identical to the Watch Series 8 to the millimetre, but the brighter display and the new SiP makes all the difference.
Apple Watch Series 8 (45mm) vs Apple Watch Series 9 (45mm) - specs comparison - PhoneArena
Apple Watch Series 9 vs. Apple Watch Series 8: All the key differences explored - Wareable
Apple Watch Series 9 vs. Ultra 2 Buyer's Guide: 25 Differences Compared - MacRumors
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