Apple Watch Series 9 vs Apple Watch Series 12 42mm
Compare specifications, current prices and availability. Choose up to four products from the same family.
Add up to 2 more items to compare
Apple Watch Series 8 Price range: KSh 50,000.00 through KSh 53,000.00
Apple Watch SE 2 Price range: KSh 28,500.00 through KSh 32,000.00
Apple Watch UltraKSh 90,000.00
Apple Watch Ultra 2KSh 103,500.00
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Apple Watch Series 9 |  Apple Watch Series 12 42mm |
|---|---|---|
| Price | Price range: KSh 45,000.00 through KSh 49,500.00 | — |
| Display | Always-On Retina LTPO OLED | Always-On Retina LTPO3 wide-angle OLED |
| Water resistance | Water resistant to 50 m under ISO 22810:2010 | 50 m swimproof under ISO 22810:2010 |
| Processor | Apple S9 SiP | Apple S11 chip; 4-core Neural Engine |
| Storage | 64 GB | 64 GB |
| Operating system | watchOS | watchOS 27 |
| Network / cellular | GPS + Cellular models support LTE and UMTS; availability varies by carrier and region | 5G RedCap and LTE on GPS + Cellular models; international roaming supported |
| Positioning / GNSS | L1 GPS, GLONASS, Galileo, QZSS and BeiDou | Precision L1 GPS; GLONASS; Galileo; QZSS; BeiDou |
| Health & wellness features | ECG app; blood oxygen feature where available; high and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking | Heart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications |
Full specifications
2 of 4 products
| Specification | Apple Watch Series 9 | Apple Watch Series 12 42mm |
|---|---|---|
| Identity & design | ||
| Brand | Apple | Apple |
| Model | Apple Watch Series 9 | Apple Watch Series 12 42mm |
| Announced | September 2023 | 9 September 2026 |
| Dimensions | 45 mm: 45 × 38 × 10.7 mm 41 mm: 41 × 35 × 10.7 mm | Aluminum or titanium: 42 × 37 × 9.7 mm; ceramic: 43 × 37 × 9.85 mm |
| Weight | 45 mm: 38.7–51.5 g, depending on case and connectivity 41 mm: 31.9–42.3 g, depending on case and connectivity | Aluminum GPS: 32.2 g; aluminum GPS + Cellular: 31.5 g; titanium: 36.5 g; Pearl White ceramic: 41.7 g; Night Blue ceramic: 42.8 g |
| Build materials | Aluminium or stainless-steel case, depending on configuration | Aluminum, titanium or ceramic case, depending on configuration |
| Wrist size | 45 mm: 140–245 mm wrist 41 mm: 130–200 mm wrist | 130–200 mm |
| Controls / buttons | Digital Crown with haptic feedback; side button; touchscreen; Double Tap gesture | Digital Crown with haptic feedback; side button; band-release button; single tap, double tap and wrist flick gestures |
| Display | ||
| Display | Always-On Retina LTPO OLED | Always-On Retina LTPO3 wide-angle OLED |
| Screen resolution | 45 mm: 396 × 484 pixels 41 mm: 352 × 430 pixels | 374 × 446 pixels, 326 ppi; 970 mm² display area |
| Display protection | Ion-X front glass on aluminium models; sapphire front crystal on stainless-steel models | Ceramic Shield 2 on aluminum cases; sapphire front crystal on titanium and ceramic cases |
| Display features | Always-On display; up to 2,000 nits; 1 nit minimum brightness; 326 ppi | 1 Hz refresh; up to 2,000 nits peak brightness; 1 nit minimum brightness |
| Performance & software | ||
| Processor | Apple S9 SiP | Apple S11 chip; 4-core Neural Engine |
| CPU | 64-bit dual-core processor; 4-core Neural Engine | 64-bit dual-core |
| GPU | — | PowerVR |
| Storage | 64 GB | 64 GB |
| Operating system | watchOS | watchOS 27 |
| Connectivity | ||
| Network / cellular | GPS + Cellular models support LTE and UMTS; availability varies by carrier and region | 5G RedCap and LTE on GPS + Cellular models; international roaming supported |
| SIM / eSIM | eSIM on GPS + Cellular models; carrier plan required | eSIM on GPS + Cellular models |
| Wi-Fi | 802.11b/g/n, 2.4 GHz and 5 GHz | Wi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| NFC | NFC with Apple Pay support | Supported; Apple Pay |
| Positioning / GNSS | L1 GPS, GLONASS, Galileo, QZSS and BeiDou | Precision L1 GPS; GLONASS; Galileo; QZSS; BeiDou |
| Ultra Wideband (UWB) | Second-generation Ultra Wideband chip | Second-generation Ultra Wideband chip |
| Audio & communication | ||
| Speaker | Speaker | Speaker with media playback |
| Microphone | Microphone | Microphone with Voice Isolation |
| Calling | Bluetooth calling through a paired iPhone; cellular calling on GPS + Cellular models with an eligible plan | Bluetooth calling; cellular calling on GPS + Cellular models; international emergency calling |
| Sensors, health & fitness | ||
| Sensors | Electrical heart sensor; third-generation optical heart sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensor | High-g accelerometer; high dynamic-range gyroscope; compass; always-on altimeter; ambient-light sensor; third-generation electrical heart sensor; always-on optical heart sensor; blood-oxygen sensor; temperature sensor; depth gauge; water-temperature sensor |
| Health & wellness features | ECG app; blood oxygen feature where available; high and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking | Heart rate and HRV; Blood Oxygen; ECG; respiratory rate; wrist temperature; Readiness and Vitals; high/low heart-rate and irregular-rhythm notifications; cycle tracking; hypertension notifications |
| Sleep tracking | Sleep app with sleep stages | Sleep duration and stages; sleep score; sleep-apnea notifications |
| Sports / workout modes | Workout app with multiple workout types and automatic workout detection | Running; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more |
| Training & outdoor features | Pace and heart-rate zones; compass waypoints and backtrack | Custom workouts and views; Training Load; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints and Backtrack |
| Safety & emergency features | Emergency SOS; international emergency calling; fall detection; crash detection | Emergency SOS; international emergency calling; Fall Detection; Crash Detection; flashlight; Check In; noise monitoring; emergency waypoints |
| Diving / depth features | — | Depth gauge to 6 m; water-temperature sensor |
| Battery & durability | ||
| Battery life | Up to 18 hours normal use; up to 36 hours in Low Power Mode | Up to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours outdoor workout |
| Charging | USB-C magnetic fast-charging cable | Fast-charge capable; up to 80% in about 30 minutes; 15 minutes for up to 12 hours normal use; 5 minutes for up to 10 hours sleep tracking |
| Water resistance | Water resistant to 50 m under ISO 22810:2010 | 50 m swimproof under ISO 22810:2010 |
| Durability / certifications | IP6X dust resistant | IP6X dust resistance |
| Compatibility | ||
| Phone compatibility | Requires iPhone XS or later with iOS 17 or later | iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later |
| Companion app | Apple Watch app and Apple Health | — |
| Colors | Aluminium: Pink, Midnight, Starlight, Silver, (PRODUCT)RED Stainless steel: Gold, Silver, Graphite | Aluminum: Dark Bronze, Light Gold, Black, Space Gray; titanium: Radiant Gold, Natural; ceramic: Pearl White, Night Blue |
Related comparisons
Apple Watch Series 8Apple Watch Series 9Apple Watch SE 2Apple Watch Series 9Apple Watch UltraApple Watch Series 9Apple Watch Ultra 2Apple Watch Series 9Apple Watch Series 9
AmazFit T-Rex UltraApple Watch Series 9
Samsung Galaxy Watch UltraApple Watch Series 9
Google Pixel Watch 3Apple Watch Series 9
Apple Watch Series 10Apple Watch Series 9
Huawei Watch GT 5 ProApple Watch Series 9
Apple Watch Ultra 3