Apple Watch Series 8 vs. Series 7 Aluminum: The Ultimate Showdown

The Apple Watch remains the gold standard for smartwatches, but with incremental updates, choosing between models can be tricky. We're pitting the Apple Watch Series 8 against the Series 7 Aluminum to help you decide which one is right for your wrist and budget. Let's dive into the details!
Phones Images

🏆 Quick Verdict

The Series 8 offers a temperature sensor for cycle tracking and a slightly brighter display, but the Series 7 remains a fantastic smartwatch with a similar feature set at a lower price. If cycle tracking is important, the 8 wins; otherwise, the 7 provides excellent value.

PHONES
Phone Names Apple Watch Series 8 Apple Watch Series 7 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
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, 28, 39, 40, 41, 66 - International
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, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Launch
Announced2022, September 072021, September 14
StatusAvailable. Released 2022, September 16Available. Released 2021, October 15
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 S7
GPUPowerVRPowerVR
OSwatchOS 9.0, upgradable to watchOS 26.1watchOS 8.0, 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, LE5.0, 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 sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) supportNatural 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 309 mAh (1.19 Wh)
Misc
ColorsGraphite, Silver, GoldStarlight, Midnight, Blue, Green, Red
ModelsA2773, A2775, A2772, A2774, A2857, A2858, watch6,16, watch6,17A2473, A2474, A2475, A2476, A2477, A2478, watch6,6, watch6,7, watch6,8, watch6,9
PriceAbout 330 EURAbout 500 EUR
SAR0.31 W/kg (head)     0.55 W/kg (body)1.10 W/kg (head)
SAR EU0.31 W/kg (head)     0.55 W/kg (body)0.70 W/kg (head)     1.50 W/kg (body)
Camera
 NoNo

Apple Watch Series 8

  • Temperature sensor for cycle tracking
  • Slightly brighter display
  • Latest Apple Watch features
  • Crash Detection

  • Higher price
  • Incremental upgrade over Series 7

Apple Watch Series 7 Aluminum

  • Lower price
  • Excellent value
  • Vibrant OLED display
  • Always-On display
  • Robust feature set

  • Lacks temperature sensor
  • Older chipset (minor performance difference)

Display Comparison

Both watches feature stunning OLED displays with Always-On functionality. The Series 8 boasts a marginally brighter display (up to 1000 nits vs 800 nits on the Series 7), making it slightly easier to read in direct sunlight. Both offer excellent color accuracy and sharpness.

Camera Comparison

Neither watch has a dedicated camera. They rely on the iPhone for photography.

Performance

Powered by the S8 and S7 chips respectively, performance is remarkably similar. Both watches handle apps, notifications, and workouts with ease. You won't notice a significant speed difference in everyday use. The S8 chip offers minor efficiency improvements.

Battery Life

Apple claims similar battery life for both models (around 18 hours). Real-world usage will vary depending on features used, but expect comparable performance. Both offer fast charging, reaching 80% in 45 minutes.

Buying Guide

The Apple Watch Series 8 is ideal for users prioritizing advanced health tracking, particularly cycle tracking with temperature sensing, and those wanting the latest features. The Apple Watch Series 7 Aluminum is a great choice for budget-conscious buyers who still want a premium smartwatch experience with a vibrant display and robust features.

Frequently Asked Questions

❓ Is the Apple Watch Series 8 worth the upgrade from a Series 6?
If cycle tracking with temperature sensing is important to you, then yes. Otherwise, the improvements are incremental and the Series 7 offers a better value.
❓ How long does the battery last on each watch?
Both watches offer around 18 hours of battery life with typical use. Heavy usage with GPS and workout tracking will reduce this.