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

The Apple Watch Series 8 is a powerhouse of health and fitness tracking, seamlessly integrated with the Apple ecosystem. But with a slight variation in materials – stainless steel versus aluminum – does the Series 8 Aluminum offer a compelling alternative? Let's dive into a detailed comparison to help you decide.
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🏆 Quick Verdict

The Series 8 Aluminum offers excellent value and performance for most users. The Series 8 (stainless steel) provides a more premium feel and potentially more durable build, but at a higher price. For everyday use and fitness tracking, the Aluminum is a fantastic choice.

PHONES
Phone Names Apple Watch Series 8 Apple Watch Series 8 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 - International, China, HK
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, 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, 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, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Launch
Announced2022, September 072022, September 07
StatusAvailable. Released 2022, September 16Available. Released 2022, September 16
Body
BuildSapphire crystal front, ceramic/sapphire crystal back, stainless steel frameGlass front, ceramic/sapphire crystal back, aluminum frame
Dimensions45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
SIMeSIMeSIM
Weight42.3 g (41mm), 51.5 g (45mm) (1.48 oz)32 g (41mm), 38.8 g (45mm) (1.13 oz)
 IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)
Display
ProtectionSapphire crystal glassIon-X strengthened glass
Resolution484 x 396 pixels (~326 ppi density)484 x 396 pixels (~326 ppi density)
Size1.9 inches1.9 inches
TypeRetina LTPO OLED, 1000 nits (peak)Retina LTPO OLED, 1000 nits (peak)
 Always-on displayAlways-on display
Platform
CPUDual-coreDual-core
ChipsetApple S8Apple S8
GPUPowerVRPowerVR
OSwatchOS 9.0, upgradable to watchOS 26.1watchOS 9.0, upgradable to watchOS 26.1
Memory
Card slotNoNo
Internal32GB 1GB RAM32GB 1GB RAM
 eMMC 5.1eMMC 5.1
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth5.3, A2DP, LE5.3, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSS, BDSGPS, GLONASS, GALILEO, QZSS, BDS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/n, dual-bandWi-Fi 802.11 b/g/n, dual-band
Features
SensorsAccelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)
 Temperature sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) supportTemperature sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) support
Battery
ChargingWireless, 0-80% in 45 minWireless, 0-80% in 45 min
TypeLi-Ion 308 mAhLi-Ion 308 mAh
Misc
ColorsGraphite, Silver, GoldMidnight, Starlight, Silver, Red
ModelsA2773, A2775, A2772, A2774, A2857, A2858, watch6,16, watch6,17A2773, A2775, A2772, A2774, A2857, A2858, A2770, A2771, watch6,14, watch6,15, watch6,16, watch6,17
PriceAbout 330 EURAbout 340 EUR
SAR0.31 W/kg (head)     0.55 W/kg (body)0.31 W/kg (head)     0.55 W/kg (body)
SAR EU0.31 W/kg (head)     0.55 W/kg (body)0.31 W/kg (head)     0.55 W/kg (body)
Camera
 NoNo

Apple Watch Series 8

  • Premium stainless steel design
  • More durable build
  • Enhanced perceived quality
  • Available in more premium band options

  • Higher price
  • Heavier than aluminum
  • Can be prone to fingerprints

Apple Watch Series 8 Aluminum

  • More affordable
  • Lightweight and comfortable
  • Scratch-resistant aluminum case
  • Vibrant color options

  • Less premium feel
  • Potentially less durable than stainless steel
  • May show wear and tear more easily

Display Comparison

Both the Series 8 and Series 8 Aluminum feature the same stunning Always-On Retina display with LTPO OLED technology. The difference lies in the case material's impact on perceived quality. Stainless steel offers a more luxurious look and feel, while aluminum is lighter and more scratch-resistant.

Camera Comparison

Neither model has a camera. This remains consistent across the Apple Watch lineup.

Performance

Performance is identical. Both models share the Apple S8 SiP, ensuring smooth navigation, app loading, and responsiveness. You won't notice any difference in speed or functionality between the two.

Battery Life

Battery life is comparable, offering approximately 18 hours of typical use. Fast charging (0-80% in 45 minutes) is consistent across both models.

Buying Guide

The Apple Watch Series 8 Aluminum is ideal for budget-conscious buyers, students, or anyone prioritizing a lightweight and durable smartwatch. The Apple Watch Series 8 (stainless steel) is best suited for those seeking a premium aesthetic, enhanced durability, and are willing to invest more.

Frequently Asked Questions

❓ Is the stainless steel Series 8 worth the extra cost?
If you prioritize a premium look and feel and are willing to pay more, the stainless steel Series 8 is a worthwhile upgrade. However, the aluminum model offers excellent value and comparable performance for most users.
❓ Are the internal components the same in both models?
Yes, both the Series 8 and Series 8 Aluminum share the same Apple S8 SiP, display technology, and battery capacity, ensuring identical performance.