Apple Watch Series 11
Comprehensive health companion.
Apple Watch Series 11 vs Apple Watch Ultra 3
Key differences
| Parameter | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| Case Sizes | 42mm / 46mm | 49mm |
| Brightness | 2,000 nits | 3,000 nits |
| Battery Life | 24 h | 42 h |
| Sensors | Electrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor / Depth gauge to 6m / Water temperature sensor | Electrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Depth gauge / Water temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor |
Apple Watch Series 11
- Released: 2025-09-19
- Display: Always-On Retina LTPO3 OLED
- Sensors: Electrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor / Depth gauge to 6m / Water temperature sensor
Apple Watch Ultra 3
- Released: 2025-09-19
- Display: Always-On Retina LTPO3 OLED
- Sensors: Electrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Depth gauge / Water temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor
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- Apple Watch Series 11
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- Apple Watch Ultra 3
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Compare every available field
View every specification or focus on differences. Unavailable values appear as -.
Complete specifications: 6 sections.
LAUNCH
| Comparison item | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| Released | 2025-09-19 | 2025-09-19 |
Released
Apple Watch Series 11WEARABLE2025-09-19
Apple Watch Ultra 3WEARABLE2025-09-19
BODY
| Comparison item | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| Type | smartwatch | smartwatch |
| Exact Configuration | - | - |
| Case Sizes | 42mm / 46mm | 49mm |
| Dimensions | 46 × 39 × 9.7 mm | 49 × 44 × 12 mm |
| Weight | 37.8 g46mm aluminum GPS; other 42mm/46mm materials vary | 61.6 gNatural titanium; black titanium is 61.8g |
| Materials | - | - |
| Cover Material | - | - |
Type
Apple Watch Series 11WEARABLEsmartwatch
Apple Watch Ultra 3WEARABLEsmartwatch
Exact Configuration
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Case Sizes
Apple Watch Series 11WEARABLE42mm / 46mm
Apple Watch Ultra 3WEARABLE49mm
Dimensions
Apple Watch Series 11WEARABLE46 × 39 × 9.7 mm
Apple Watch Ultra 3WEARABLE49 × 44 × 12 mm
Weight
Apple Watch Series 11WEARABLE37.8 g46mm aluminum GPS; other 42mm/46mm materials vary
Apple Watch Ultra 3WEARABLE61.6 gNatural titanium; black titanium is 61.8g
Materials
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Cover Material
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
DISPLAY
| Comparison item | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| Type | Always-On Retina LTPO3 OLED | Always-On Retina LTPO3 OLED |
| Size | - | - |
| Resolution | 416x496 (46mm) / 374x446 (42mm) | 422x514 |
| PPI | 326 | 326 |
| Brightness | 2,000 nits | 3,000 nits |
| Refresh Rate | - | - |
Type
Apple Watch Series 11WEARABLEAlways-On Retina LTPO3 OLED
Apple Watch Ultra 3WEARABLEAlways-On Retina LTPO3 OLED
Size
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Resolution
Apple Watch Series 11WEARABLE416x496 (46mm) / 374x446 (42mm)
Apple Watch Ultra 3WEARABLE422x514
PPI
Apple Watch Series 11WEARABLE326
Apple Watch Ultra 3WEARABLE326
Brightness
Apple Watch Series 11WEARABLE2,000 nits
Apple Watch Ultra 3WEARABLE3,000 nits
Refresh Rate
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
PLATFORM
| Comparison item | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| OS | - | - |
| Chipset | S10 chip | S10 chip |
| Storage / RAM | 64GB storage | 64GB storage |
| Compatibility | iPhone 11 or later with iOS 26 or later | - |
OS
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Chipset
Apple Watch Series 11WEARABLES10 chip
Apple Watch Ultra 3WEARABLES10 chip
Storage / RAM
Apple Watch Series 11WEARABLE64GB storage
Apple Watch Ultra 3WEARABLE64GB storage
Compatibility
Apple Watch Series 11WEARABLEiPhone 11 or later with iOS 26 or later
Apple Watch Ultra 3WEARABLE-
BATTERY & PRICE
| Comparison item | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| Battery | - | - |
| Battery Life | 24 h | 42 h |
| Low-power Battery Life | 38 h | 72 h |
| Charging | - | - |
| Price | - | - |
Battery
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Battery Life
Apple Watch Series 11WEARABLE24 h
Apple Watch Ultra 3WEARABLE42 h
Low-power Battery Life
Apple Watch Series 11WEARABLE38 h
Apple Watch Ultra 3WEARABLE72 h
Charging
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Price
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
CONNECTIVITY
| Comparison item | Apple Watch Series 11 | Apple Watch Ultra 3 |
|---|---|---|
| Wireless | Bluetooth 5.3 / Wi-Fi / NFC | Bluetooth 5.3 / Wi-Fi / NFC |
| Cellular | - | - |
| Durability | 50m swimproof | 100m; recreational scuba to 40m |
| Dust Resistance | IP6X | IP6X |
| Speakers | Yes | Yes |
| Microphone | Yes | Yes |
| Sensors | Electrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor / Depth gauge to 6m / Water temperature sensor | Electrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Depth gauge / Water temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor |
Wireless
Apple Watch Series 11WEARABLEBluetooth 5.3 / Wi-Fi / NFC
Apple Watch Ultra 3WEARABLEBluetooth 5.3 / Wi-Fi / NFC
Cellular
Apple Watch Series 11WEARABLE-
Apple Watch Ultra 3WEARABLE-
Durability
Apple Watch Series 11WEARABLE50m swimproof
Apple Watch Ultra 3WEARABLE100m; recreational scuba to 40m
Dust Resistance
Apple Watch Series 11WEARABLEIP6X
Apple Watch Ultra 3WEARABLEIP6X
Speakers
Apple Watch Series 11WEARABLEYes
Apple Watch Ultra 3WEARABLEYes
Microphone
Apple Watch Series 11WEARABLEYes
Apple Watch Ultra 3WEARABLEYes
Sensors
Apple Watch Series 11WEARABLEElectrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor / Depth gauge to 6m / Water temperature sensor
Apple Watch Ultra 3WEARABLEElectrical heart sensor / Third-generation optical heart sensor / Blood oxygen sensor / Temperature sensor / Depth gauge / Water temperature sensor / Compass / Always-on altimeter / High-g accelerometer / High dynamic range gyroscope / Ambient light sensor