Apple Watch Series 3 vs. Apple Watch SE (2022): A Detailed Comparison

The Apple Watch has revolutionized the smartwatch market, but choosing the right model can be tricky. We're pitting the aging Apple Watch Series 3 Aluminum against the more modern Apple Watch SE (2022) to help you decide which one is right for you. This comparison dives deep into features, performance, and value.
Phones Images

🏆 Quick Verdict

The Apple Watch SE (2022) is the clear winner. While the Series 3 remains functional, the SE offers a significantly faster processor, improved features like fall detection, and a longer software support lifespan, making it a much better investment for the future.

PHONES
Phone Names Apple Watch Series 3 Aluminum Apple Watch SE (2022)
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891)HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
4G bands1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891)1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 39, 40, 41 - China (A1892)1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Launch
Announced2017, September. Released 2017, September2022, September 07
StatusDiscontinuedAvailable. Released 2022, September 16
Body
BuildGlass front, ceramic back, aluminum frameGlass front, plastic/sapphire crystal back, aluminum frame
Dimensions42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
SIMeSIMeSIM
Weight34.9 g (1.23 oz)33 g (1.16 oz)
 50m water resistant50m water resistant
Display
ProtectionIon-X strengthened glassIon-X strengthened glass
Resolution390 x 312 pixels (~303 ppi density)448 x 368 pixels (~326 ppi density)
Size1.65 inches1.78 inches
TypeRetina OLED, 1000 nits (peak)Retina LTPO OLED, 1000 nits (peak)
 3D Touch display-
Platform
CPUDual-coreDual-core
ChipsetApple S3Apple S8
GPUPowerVRPowerVR
OSwatchOS 4.0, upgradable to watchOS 8.7watchOS 9.0, upgradable to 9.4
Memory
Card slotNoNo
Internal8GB 768MB RAM, 16GB 768MB RAM32GB 1GB RAM
Sound
3.5mm jack NoNo
35mm jackNo-
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE5.3, A2DP, LE
NFCYesYes
PositioningGPS, GLONASSGPS, GLONASS, GALILEO, QZSS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Features
SensorsAccelerometer, gyro, heart rate, barometerAccelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass
 Natural language commands and dictation (talking mode)Natural language commands and dictation (talking mode)
Battery
ChargingWirelessWireless
TypeLi-Ion 341 mAh (1.34 Wh), non-removableLi-Ion 296 mAh, non-removable
Misc
ColorsSilver, Gold, Space GrayMidnight, Starlight, Silver
ModelsA1860, A1861, A1889, A1891, A1890, A1892, A1858, A1859A2722, A2723, A2724, A2727, A2856, A2725, A2726, A2855, watch6,10, watch6,11, watch6,12, watch6,13
PriceAbout 480 EUR€ 289.00
SAR0.52 W/kg (head)     0.34 W/kg (body)0.27 W/kg (head)     1.96 W/kg (body)    
SAR EU-0.27 W/kg (head)     1.96 W/kg (body)    
Camera
 NoNo

Apple Watch Series 3 Aluminum

  • Very affordable
  • Wireless charging
  • Still functional for basic tasks

  • Outdated processor
  • Dim display
  • Limited software support
  • Battery degradation common
  • No fall detection

Apple Watch SE (2022)

  • Faster processor (S8)
  • Brighter display
  • Fall detection
  • Longer software support
  • More modern design
  • Family Setup compatible

  • More expensive than Series 3
  • Lacks ECG and blood oxygen sensors found in higher-end models

Display Comparison

The Apple Watch SE (2022) boasts a brighter and more vibrant display than the Series 3. While both use Retina displays, the SE's screen is noticeably sharper and easier to read in direct sunlight. The Series 3's display, while still functional, appears dated in comparison.

Camera Comparison

Neither the Apple Watch Series 3 nor the Apple Watch SE (2022) have a built-in camera. This is a consistent feature across most Apple Watch models.

Performance

The S8 chip in the Apple Watch SE (2022) provides a substantial performance boost over the S3 in the Series 3. Apps launch faster, animations are smoother, and overall responsiveness is significantly improved. The Series 3 can feel sluggish at times, especially when multitasking.

Battery Life

While both offer all-day battery life, the Apple Watch SE (2022) generally provides slightly better battery performance, especially with heavy usage. The Series 3's battery life has degraded for many users over time due to its age.

Buying Guide

Who should buy the Apple Watch Series 3 Aluminum? Primarily those on a very tight budget who need basic smartwatch functionality. Who should buy the Apple Watch SE (2022)? Most users! It provides a great balance of features, performance, and affordability, making it ideal for fitness tracking, notifications, and everyday use.

Frequently Asked Questions

❓ Is the Apple Watch Series 3 still worth buying?
Only if you're on an extremely tight budget and only need basic smartwatch functionality. The SE (2022) offers significantly more value.
❓ Does the Apple Watch SE (2022) have fall detection?
Yes, the Apple Watch SE (2022) includes fall detection, a crucial safety feature not available on the Series 3.
❓ How long will the Apple Watch Series 3 receive software updates?
Apple has ended software updates for the Series 3. It will eventually become obsolete and unable to run the latest watchOS versions.
❓ What is the difference between the Apple Watch SE and the higher-end Apple Watch models?
The higher-end models (Series 8, Ultra) offer features like ECG, blood oxygen monitoring, and always-on display, which are not available on the SE.