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

The Apple Watch remains the gold standard for smartwatches, but with incremental updates, deciding between generations can be tricky. The Series 7 and Series 8 offer similar experiences, but subtle differences might sway your decision. Let's dive into a comprehensive comparison to help you choose the right one.
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🏆 Quick Verdict

The Apple Watch Series 8 offers a few key upgrades like temperature sensing for cycle tracking and crash detection, but the Series 7 remains a fantastic value. If you prioritize those new features, the Series 8 is worth it; otherwise, the Series 7 provides excellent performance and features at a lower price.

PHONES
Phone Names Apple Watch Series 7 Apple Watch Series 8
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International1, 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, 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
Announced2021, September 142022, September 07
StatusAvailable. Released 2021, October 15Available. Released 2022, September 16
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 S7Apple S8
GPUPowerVRPowerVR
OSwatchOS 8.0, upgradable to watchOS 26.1watchOS 9.0, 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
Bluetooth5.0, 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, VO2maxAccelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)
 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 309 mAh (1.19 Wh)Li-Ion 308 mAh
Misc
ColorsGraphite, Gold, SilverGraphite, Silver, Gold
ModelsA2475, A2476, A2477, A2478, watch6,8, watch6,9A2773, A2775, A2772, A2774, A2857, A2858, watch6,16, watch6,17
PriceAbout 310 EURAbout 330 EUR
SAR1.10 W/kg (head)0.31 W/kg (head)     0.55 W/kg (body)
SAR EU0.70 W/kg (head)     1.50 W/kg (body)0.31 W/kg (head)     0.55 W/kg (body)
Camera
 NoNo

Apple Watch Series 7

  • Excellent display
  • Fast performance
  • Wide app selection
  • Seamless iPhone integration
  • More affordable

  • Lacks temperature sensing
  • No crash detection

Apple Watch Series 8

  • Temperature sensing for cycle tracking
  • Crash detection
  • Slightly improved battery life
  • Latest Apple Watch technology
  • Excellent display
  • Fast performance
  • Wide app selection
  • Seamless iPhone integration

  • Higher price
  • Incremental upgrades over Series 7

Display Comparison

Both the Series 7 and Series 8 feature stunning Always-On Retina displays with narrow borders. The screen size and resolution are virtually identical, offering excellent visibility in all lighting conditions. There's no noticeable difference in display quality between the two.

Camera Comparison

Neither the Series 7 nor the Series 8 have a traditional camera. They rely on the iPhone for photography.

Performance

While both watches use dual-core processors, the Series 8’s S8 SiP offers a slight performance boost. However, in everyday use, the difference is minimal. App loading times and overall responsiveness are excellent on both devices. The S8 chip is more power efficient, contributing to slightly better battery life.

Battery Life

Both offer all-day battery life, typically lasting around 18 hours with moderate use. The Series 8’s more efficient S8 chip provides a marginal improvement in battery longevity, but it's not a game-changer.

Buying Guide

Who should buy the Apple Watch Series 7? Those seeking a premium smartwatch experience without breaking the bank. It's ideal for fitness enthusiasts and anyone wanting seamless iPhone integration. Who should buy the Apple Watch Series 8? Users who prioritize advanced health tracking features like temperature sensing for cycle tracking and the added safety of crash detection.

Frequently Asked Questions

❓ Is the Apple Watch Series 8 worth the upgrade from a Series 7?
It depends. If you value temperature sensing for cycle tracking or crash detection, then yes. Otherwise, the Series 7 remains a very capable smartwatch.
❓ What's the difference between the S7 and S8 chip?
The S8 chip in the Series 8 offers a slight performance boost and improved power efficiency compared to the S7 in the Series 7.