Wearables

Apple Watch SE 3 vs Apple Watch Series 11

Apple Watch SE 3 and Apple Watch Series 11 both use the S10 chip, support 5G cellular models, and run watchOS, but they target different buyers. SE 3 is the lower-cost Apple Watch with the essentials and an always-on display, while Series 11 adds ECG, Blood Oxygen, a brighter display, and longer battery life.

Last updated: August 18, 2026

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Apple

Apple Watch SE 3

A lower-cost Apple Watch with S10 performance, always-on Retina display, core health tracking, safety features, and fast charging.

Apple

Apple Watch Series 11

Apple's mainstream premium watch with a larger LTPO3 display, advanced health sensors, 24-hour battery life, 5G cellular, and aluminum or titanium case options.

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Specifications

FeatureApple Watch SE 3Apple Watch Series 11

Product typeSmartwatchSmartwatch

Official US priceFrom $249; 40mm GPS from $249, 44mm GPS from $279, GPS + Cellular from $299 on Apple Store pageFrom $399 on Apple Store page

Year introduced20252025

Case sizes40mm or 44mm aluminum case42mm or 46mm aluminum or titanium case

Case materials / finishesAluminum: Midnight, StarlightAluminum: Rose Gold, Silver, Space Gray, Jet Black; Titanium: Gold, Natural, Slate

DisplayAlways-On Retina display with OLED and LTPO; 326 ppiAlways-On Retina display with wide-angle OLEDs and LTPO3; 326 ppi

Display brightnessUp to 1000 nits peak brightness; 2 nits minimum brightnessUp to 2000 nits peak brightness; 1 nit minimum brightness

Display size / resolution44mm: 368 x 448 pixels, 977 sq mm area; 40mm: 324 x 394 pixels, 759 sq mm area46mm: 416 x 496 pixels, 1220 sq mm area; 42mm: 374 x 446 pixels, 989 sq mm area

Chip / storageS10 chip with 64-bit dual-core processor, 4-core Neural Engine, 64GB capacityS10 chip with 64-bit dual-core processor, 4-core Neural Engine, 64GB capacity

Heart / health sensorsSecond-generation optical heart sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high dynamic range gyroscope; ambient light sensorElectrical 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 6 meters; water temperature sensor

Advanced health featuresHeart Rate app, high/low heart rate notifications, irregular rhythm notifications, cycle tracking with retrospective ovulation estimates, sleep stages, sleep score, sleep apnea notificationsBlood Oxygen app, ECG app, hypertension notifications, Heart Rate app, high/low heart rate notifications, irregular rhythm notifications, cycle tracking with retrospective ovulation estimates, sleep stages, sleep score, sleep apnea notifications

Battery lifeUp to 18 hours normal use; up to 32 hours in Low Power ModeUp to 24 hours normal use; up to 38 hours in Low Power Mode

Fast chargingUp to 80% in about 45 minutes; 15 minutes for up to 8 hours normal use; 8 minutes for up to 8 hours sleep trackingUp to 80% in about 30 minutes; 15 minutes for up to 8 hours normal use; 5 minutes for up to 8 hours sleep tracking

Connectivity2.4GHz Wi-Fi 4, Bluetooth 5.3, L1 GPS, Apple Pay, GymKit; cellular models support RedCap 5G and LTE2.4GHz and 5GHz Wi-Fi 4, Bluetooth 5.3, L1 GPS, second-generation Ultra Wideband chip, Apple Pay, GymKit; cellular models support RedCap 5G and LTE

DurabilityWater resistance 50m; tough Ion-X front glass with 4x crack resistanceWater resistance 50m; IP6X dust resistance; Ion-X front glass with 2x scratch resistance on aluminum; sapphire front crystal on titanium

Dimensions44mm: 44 x 38 x 10.7 mm / 1.73 x 1.50 x 0.42 in; 40mm: 40 x 34 x 10.7 mm / 1.57 x 1.34 x 0.42 in46mm: 46 x 39 x 9.7 mm / 1.81 x 1.54 x 0.38 in; 42mm: 42 x 36 x 9.7 mm / 1.65 x 1.42 x 0.38 in

Weight44mm: 32.9g GPS / 33.0g GPS + Cellular; 40mm: 26.3g GPS / 26.4g GPS + Cellular46mm: 37.8g aluminum GPS / 36.9g aluminum GPS + Cellular / 43.1g titanium; 42mm: 30.3g aluminum GPS / 29.7g aluminum GPS + Cellular / 34.6g titanium

Model numbersGPS: A3324 40mm, A3325 44mm; GPS + Cellular: A3326 40mm, A3328 44mm for North America/Europe/Asia PacificGPS: A3331 42mm, A3333 46mm; GPS + Cellular: A3335 42mm, A3337 46mm for North America/Europe/Asia Pacific

CompatibilityiPhone 11 or later, including iPhone SE 2nd generation or later, with iOS 26 or lateriPhone 11 or later, including iPhone SE 2nd generation or later, with iOS 26 or later

In the boxApple Watch SE 3, band, Apple Watch Magnetic Fast Charger to USB-C Cable (1m)Apple Watch Series 11, band, Apple Watch Magnetic Fast Charger to USB-C Cable (1m)

Warranty1-year limited warranty, per Apple's official Apple Watch Warranty page1-year limited warranty, per Apple's official Apple Watch Warranty page

Pros & Cons

Apple Watch SE 3 — Pros

✓Lower official Apple starting price: from $249.

✓Same S10 chip family and 64GB capacity as Series 11.

✓Always-On Retina display, fast charging, temperature sensor, sleep apnea notifications, and 5G cellular models are included.

✓Lighter than comparable Series 11 sizes in aluminum GPS models.

Apple Watch SE 3 — Cons

✕No ECG app, Blood Oxygen app, electrical heart sensor, or third-generation optical heart sensor.

✕No hypertension notifications listed on the SE 3 technical specifications page.

✕Display is smaller, less bright, and uses LTPO rather than LTPO3 wide-angle OLED.

✕Shorter official battery life than Series 11: up to 18 hours versus up to 24 hours.

Apple Watch Series 11 — Pros

✓Adds ECG app, Blood Oxygen app, electrical heart sensor, and third-generation optical heart sensor.

✓Larger, brighter, thinner display: up to 2000 nits and 9.7mm depth.

✓Longer official battery life: up to 24 hours normal use and up to 38 hours in Low Power Mode.

✓Aluminum and titanium case options, with sapphire front crystal on titanium models.

Apple Watch Series 11 — Cons

✕Higher official Apple starting price: from $399.

✕Titanium models cost more and may be heavier than aluminum SE 3 models.

✕Some health features are region- and eligibility-dependent.

✕Many everyday features overlap with SE 3, so casual users may not need the premium upgrade.

Best used for

✦Buy a current Apple Watch at Apple's lower official starting price.

✦Track workouts, heart rate, sleep stages, sleep score, cycle tracking, and basic wellness trends.

✦Use an always-on Retina display without paying for the larger Series 11 screen.

✦Give a family member or first-time Apple Watch buyer a simpler, less expensive watch.

✦Use Emergency SOS, Fall Detection, Crash Detection, noise monitoring, Backtrack, and Apple Pay.

✦Choose a lighter aluminum-only Apple Watch for everyday fitness and notification use.

Best used for

✦Use ECG, Blood Oxygen, hypertension notifications, and advanced heart sensor features in one Apple Watch.

✦Choose a larger 42mm or 46mm display with up to 2000 nits peak brightness and 1 nit minimum brightness.

✦Wear the watch day and night with up to 24 hours of normal use and faster 30-minute charging to 80%.

✦Pick aluminum for everyday use or titanium for a more premium case and sapphire front crystal.

✦Use depth gauge and water temperature sensor features for shallow-water activity tracking.

✦Choose the Apple Watch model with IP6X dust resistance and second-generation Ultra Wideband support.

⚖️

Our Verdict

Choose Apple Watch SE 3 if you want the best-value current Apple Watch: it keeps the S10 chip, always-on display, sleep apnea notifications, fast charging, safety features, and optional 5G cellular at a much lower starting price. Choose Apple Watch Series 11 if advanced health and a better screen matter enough to pay more: ECG, Blood Oxygen, hypertension notifications, third-generation optical heart sensor, larger 2000-nit LTPO3 display, IP6X dust resistance, depth and water temperature sensors, titanium options, and up to 24 hours of battery life make it the more complete everyday health watch.

Where to buy Apple Watch SE 3

Buy Apple Watch SE 3 on Amazon →

Where to buy Apple Watch Series 11

Buy Apple Watch Series 11 on Amazon →

Paid link.

Which One Should You Choose?

Choose Apple Watch SE 3 if...

→You want the lower official starting price and do not need ECG or Blood Oxygen features.

→You want a current Apple Watch mainly for notifications, workouts, Apple Pay, sleep, and safety.

→You prefer a lighter aluminum watch and do not need titanium case options.

→You want S10 performance and 64GB capacity without paying Series 11 pricing.

→You are buying for a first-time Apple Watch user, student, child, or family member.

→You can live with 1000-nit brightness and up to 18 hours of normal battery life.

Choose Apple Watch Series 11 if...

→You want ECG, Blood Oxygen, hypertension notifications, and Apple's more advanced heart sensor package.

→You want the larger 42mm or 46mm display with 2000-nit peak brightness and 1-nit minimum brightness.

→You want longer official battery life for day-and-night wear before charging.

→You want faster charging to 80% in about 30 minutes instead of about 45 minutes.

→You want IP6X dust resistance, depth gauge, and water temperature sensor features.

→You want aluminum or titanium choices, including sapphire front crystal on titanium models.

Frequently Asked Questions

Q: Is Apple Watch Series 11 better than Apple Watch SE 3?

A: Yes for advanced health, display quality, durability, and battery life. Series 11 adds ECG, Blood Oxygen, hypertension notifications, a larger 2000-nit LTPO3 display, IP6X dust resistance, and up to 24 hours of normal use.

Q: Is Apple Watch SE 3 enough for most people?

A: Yes. SE 3 covers the core Apple Watch experience: workouts, heart rate, sleep stages, sleep score, sleep apnea notifications, safety features, Apple Pay, S10 chip, optional 5G cellular, and an always-on display.

Q: What is the price difference between Apple Watch SE 3 and Series 11?

A: Apple lists Apple Watch SE 3 from $249 and Apple Watch Series 11 from $399, so the starting price gap is $150 before size, connectivity, case material, and band choices.

Q: Does Apple Watch SE 3 have ECG or Blood Oxygen?

A: No. Apple's SE 3 technical specifications list a second-generation optical heart sensor but do not list ECG, Blood Oxygen, electrical heart sensor, or hypertension notifications.

Q: Which has better battery life, SE 3 or Series 11?

A: Series 11 has the better official battery rating: up to 24 hours normal use and up to 38 hours in Low Power Mode, compared with up to 18 hours and up to 32 hours on SE 3.

Q: Should I buy Apple Watch SE 3 or Series 11 in 2026?

A: Buy SE 3 for value and essential Apple Watch features. Buy Series 11 if health sensors, screen brightness, longer battery life, faster charging, and premium materials are worth the extra cost.

Q: Does Apple Watch SE 3 have a warranty?

A: Yes. Both Apple Watch SE 3 and Apple Watch Series 11 carry Apple's standard one-year limited warranty from the date of purchase, per Apple's official Apple Watch Warranty page.

Q: Does Apple Watch SE 3 support dust resistance like Series 11?

A: No. Apple's technical specifications list IP6X dust resistance for Series 11 but do not list an IP6X rating for SE 3.

Sources & References

Prices, features and specifications in this comparison were verified from official sources.

Last verified: August 2026

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