Apple Watch Series 8 vs. Series 7: A Detailed Comparison

The Apple Watch remains the gold standard for smartwatches, and the Series 8 and Series 7 are both excellent choices. But with subtle differences, deciding which one to invest in can be tricky. This comprehensive comparison will break down every aspect, helping you make the right decision.
Phones Images

🏆 Quick Verdict

The Series 8 offers a few key upgrades like temperature sensing for cycle tracking and a slightly brighter display, but the Series 7 remains a fantastic value. If you prioritize those new features, the Series 8 is worth it; otherwise, the Series 7 is a compelling choice.

PHONES
Phone Names Apple Watch Series 8 Apple Watch Series 7
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 frameSapphire crystal front, ceramic/sapphire crystal back, stainless steel 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)42.3 g (41mm), 51.5 g (45mm) (1.48 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 glassSapphire crystal 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 5.1-
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, GoldGraphite, Gold, Silver
ModelsA2773, A2775, A2772, A2774, A2857, A2858, watch6,16, watch6,17A2475, A2476, A2477, A2478, watch6,8, watch6,9
PriceAbout 330 EURAbout 310 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 Sensing for Cycle Tracking
  • Slightly Brighter Display
  • Latest Apple Watch Technology
  • Crash Detection

  • Higher Price
  • Minor Performance Upgrade over Series 7

Apple Watch Series 7

  • Excellent Value
  • Beautiful OLED Display
  • Robust Feature Set
  • Always-On Display

  • Lacks Temperature Sensing
  • Older Chipset

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 see in direct sunlight. Both have the same resolution and size (41mm and 45mm options).

Camera Comparison

Neither watch has a dedicated camera. This remains a consistent feature across Apple Watch models.

Performance

Performance is largely identical. Both are powered by dual-core processors, offering smooth navigation and app loading. The S8 chip in the Series 8 provides a minor performance bump, but it's unlikely to be noticeable in everyday use. Both handle workouts and notifications flawlessly.

Battery Life

Battery life is similar, with both offering approximately 18 hours of typical use. Both charge wirelessly and reach 80% in 45 minutes. The Series 8's temperature sensing feature can slightly impact battery life during ovulation phase estimates.

Buying Guide

Who should buy the Apple Watch Series 8? Users prioritizing advanced health tracking (especially cycle tracking with temperature sensing) and the absolute latest features. Who should buy the Apple Watch Series 7? Budget-conscious buyers who still want a premium smartwatch experience with a beautiful display and robust features.

Frequently Asked Questions

❓ Is the Apple Watch Series 8 worth the upgrade from a Series 7?
It depends on your needs. If you're interested in cycle tracking with temperature sensing or want the latest features like Crash Detection, then yes. Otherwise, the Series 7 remains an excellent choice.
❓ How does the battery life compare between the two?
Battery life is very similar, around 18 hours for typical use. The Series 8's temperature sensing can slightly reduce battery life during ovulation phase estimates.