Apple Watch Series 8 Aluminum vs. Series 5 Aluminum: A Detailed Comparison

The Apple Watch remains the gold standard for smartwatches, but with several generations released, choosing the right model can be tricky. This comparison dives deep into the Apple Watch Series 8 Aluminum and the Series 5 Aluminum, highlighting their strengths and weaknesses to help you make an informed decision.
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🏆 Quick Verdict

The Series 8 Aluminum offers significant upgrades over the Series 5, including a brighter display, temperature sensing, car crash detection, and faster charging. While the Series 5 remains a capable smartwatch, the Series 8's advanced features and performance improvements make it the clear winner for most users.

PHONES
Phone Names Apple Watch Series 8 Aluminum Apple Watch Series 5 Aluminum
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HKHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 39, 40, 41, 66 - Global
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Launch
Announced2022, September 072019, September. Released 2019, September
StatusAvailable. Released 2022, September 16Discontinued
Body
BuildGlass front, ceramic/sapphire crystal back, aluminum frameGlass front, ceramic/sapphire crystal back, aluminum frame
Dimensions45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
SIMeSIMeSIM
Weight32 g (41mm), 38.8 g (45mm) (1.13 oz)36.7 g (1.31 oz)
 IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)50m water resistant ECG certified (region dependent SW application; HW available on all models)
Display
ProtectionIon-X strengthened glassIon-X strengthened glass
Resolution484 x 396 pixels (~326 ppi density)448 x 368 pixels (~326 ppi density)
Size1.9 inches1.78 inches
TypeRetina LTPO OLED, 1000 nits (peak)Retina LTPO OLED, 1000 nits (peak)
 Always-on display3D Touch display Always-on display
Platform
CPUDual-coreDual-core
ChipsetApple S8Apple S5
GPUPowerVRPowerVR
OSwatchOS 9.0, upgradable to watchOS 26.1watchOS 6.0, upgradable to watchOS 10.6.1
Memory
Card slotNoNo
Internal32GB 1GB RAM32GB 1GB RAM
 eMMC 5.1-
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth5.3, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSS, BDSGPS, GLONASS, GALILEO, QZSS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/n, dual-bandWi-Fi 802.11 b/g/n
Features
SensorsAccelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)Accelerometer, gyro, heart rate, barometer, compass
 Temperature sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) supportNatural language commands and dictation (talking mode)
Battery
ChargingWireless, 0-80% in 45 minWireless
TypeLi-Ion 308 mAhLi-Po 296 mAh (1.13 Wh), non-removable
Misc
ColorsMidnight, Starlight, Silver, RedSilver, Gold, Space Gray
ModelsA2773, A2775, A2772, A2774, A2857, A2858, A2770, A2771, watch6,14, watch6,15, watch6,16, watch6,17A2156, A2157, A2094, A2095, A2092, A2093
PriceAbout 340 EURAbout 450 EUR
SAR0.31 W/kg (head)     0.55 W/kg (body)-
SAR EU0.31 W/kg (head)     0.55 W/kg (body)-
Camera
 NoNo

Apple Watch Series 8 Aluminum

  • Brighter Display
  • Faster Charging (45 min to 80%)
  • Temperature Sensing (Cycle Tracking)
  • Car Crash Detection
  • S8 Chip - Improved Performance
  • Always-On Display Improvement

  • Higher Price
  • Limited Improvement for Basic Users

Apple Watch Series 5 Aluminum

  • Lower Price
  • Still a Capable Smartwatch
  • Reliable Performance for Basic Tasks
  • Always-On Display

  • Slower Charging
  • Older Processor
  • Lacks Advanced Features (Temperature Sensing, Car Crash Detection)
  • Dimmer Display

Display Comparison

The Series 8 boasts a noticeably brighter display than the Series 5, making it easier to read in direct sunlight. Both feature an always-on display, but the Series 8's is more responsive and visually appealing. The Series 8 also has thinner borders, maximizing screen real estate.

Camera Comparison

Neither the Series 8 nor the Series 5 have a dedicated camera. They rely on the iPhone for taking photos and videos.

Performance

The S8 chip in the Series 8 provides a performance boost over the S5, resulting in smoother animations and faster app loading times. While both watches handle everyday tasks well, the Series 8 feels more responsive and future-proofed.

Battery Life

Both watches offer all-day battery life, but the Series 8 charges significantly faster, reaching 80% in just 45 minutes compared to the Series 5's longer charging time. The Series 8 also has slightly improved battery optimization.

Buying Guide

Who should buy the Apple Watch Series 8 Aluminum? Users seeking the latest features like temperature sensing for cycle tracking, car crash detection, and a brighter, always-on display. Those prioritizing performance and future-proofing should also opt for the Series 8. Who should buy the Apple Watch Series 5 Aluminum? Budget-conscious buyers who still want a reliable Apple Watch experience and don't need the newest features. It's a solid choice for basic fitness tracking and notifications.

Frequently Asked Questions

❓ Is the Apple Watch Series 8 worth the upgrade from the Series 5?
If you value the latest features like temperature sensing, car crash detection, and faster charging, then yes. Otherwise, the Series 5 remains a capable smartwatch.
❓ How does the battery life of the Series 8 compare to the Series 5?
Both offer all-day battery life, but the Series 8 charges significantly faster. Battery optimization is also slightly improved on the Series 8.
❓ Does the Series 8 have a camera?
No, neither the Series 8 nor the Series 5 have a built-in camera. They rely on your iPhone for taking photos and videos.
❓ What is temperature sensing used for on the Series 8?
The temperature sensing feature on the Series 8 is primarily used for retrospective ovulation estimates and cycle tracking.