Apple Watch Series 9 vs 12 – Check Which One Is Best & Why?

Quick Pick

BEST OVERALL PICK Apple Watch Series 12
Recommended Most Popular Choice

Apple Watch Series 12

  • S11 SiP for faster processing and more responsive everyday performance.
  • 24 hour battery life for longer daily use between charges.
  • 30 minute charging to 80 percent for faster top ups.
  • LTPO3 wide angle OLED display for clearer viewing from different angles.
  • 6 meter depth gauge for tracking supported shallow water activities.
  • Water temperature sensor for monitoring aquatic workout conditions.
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Alternative

Apple Watch Series 9

  • S9 SiP.
  • 18 hour battery life.
  • 45 minute charging to 80 percent.
  • LTPO OLED display.
  • No depth gauge.
  • No water temperature sensor.
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Why Do I Recommend The Apple Watch Series 12?

  • The Apple Watch Series 12 features the S11 chip with Apple Intelligence and Siri AI for more capable on-device assistance, contextual responses, and intelligent features, while the Apple Watch Series 9 uses the S9 chip with on-device Siri processing.
  • Apple Watch Series 12 includes a Health Sensing System with high-frequency background heart-rate tracking and Recovery HRV for more detailed daily recovery and wellness monitoring, whereas the Apple Watch Series 9 uses third-generation optical and electrical heart sensors without recovery features.
  • It features a Readiness app for combining health and recovery data into actionable daily readiness insights, while the Apple Watch Series 9 does not include the Readiness app.
  • The Apple Watch Series 12 offers up to 24 hours of normal-use battery life for longer everyday wear between charges, compared to the Apple Watch Series 9’s up to 18 hours of normal-use battery life.
  • Apple Watch Series 12 charges 80% in about 30 minutes for faster battery recovery before workouts, sleep tracking, or daily use, while the Apple Watch Series 9 takes about 45 minutes to reach 80%.
  • It features a depth gauge rated to 6 meters for measuring depth during supported shallow-water activities, while the Apple Watch Series 9 does not include a built-in depth gauge.
  • The Apple Watch Series 12 includes a water-temperature sensor for tracking water conditions during supported aquatic activities, whereas the Apple Watch Series 9 does not include a dedicated water-temperature sensor.

Maybe the Apple Watch Series 9 price can make you comfortable because it’s a little bit cheaper than the Apple Watch Series 12. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.

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Side By Side Comparison

FeatureApple Watch Series 12Apple Watch Series 9
ProcessorS11 SiPS9 SiP
SiriSiri AI with Apple IntelligenceSiri with on-device processing
Display TechnologyLTPO3 wide-angle OLEDLTPO OLED
Refresh Rate1Hz minimumLTPO variable refresh
Resolution416 × 496 pixels396 × 484 pixels
Aluminum Front CrystalCeramic Shield 2Ion-X glass
Normal Battery LifeUp to 24 hoursUp to 18 hours
Low Power ModeUp to 38 hoursUp to 36 hours
0–80% ChargingAbout 30 minutesAbout 45 minutes
Depth Gauge6 metersNone
Water Temperature SensorYesNone
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