Apple Watch Series 8 vs. Series 6: A Detailed Comparison

The Apple Watch remains the gold standard for smartwatches, but with new models released, it's natural to wonder if upgrading is worthwhile. This comparison dives deep into the Apple Watch Series 8 and Series 6, highlighting the key differences to help you make an informed decision.
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🏆 Quick Verdict

The Series 8 offers incremental improvements like temperature sensing and faster charging, but the Series 6 remains a fantastic smartwatch. If you're on a budget or don't need the latest features, the Series 6 is still a compelling choice. Otherwise, the Series 8 provides a slightly more advanced experience.

PHONES
Phone Names Apple Watch Series 8 Apple Watch Series 6
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HKHSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
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, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
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, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - Global
Launch
Announced2022, September 072020, September 15
StatusAvailable. Released 2022, September 16Available. Released 2020, September 18
Body
BuildSapphire crystal front, ceramic/sapphire crystal back, stainless steel frameGlass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel 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
Weight42.3 g (41mm), 51.5 g (45mm) (1.48 oz)47.1 g (1.66 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
ProtectionSapphire crystal glassSapphire crystal 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 displayAlways-on display
Platform
CPUDual-coreDual-core
ChipsetApple S8Apple S6
GPUPowerVRPowerVR
OSwatchOS 9.0, upgradable to watchOS 26.1watchOS 7.0, 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
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
TypeLi-Ion 308 mAhLi-Ion 303.8 mAh
Misc
ColorsGraphite, Silver, GoldSilver, Graphite (DLC), Gold (PVD)
ModelsA2773, A2775, A2772, A2774, A2857, A2858, watch6,16, watch6,17A2293, A2294, A2375, A2376
PriceAbout 330 EURAbout 710 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

  • Temperature Sensing for Cycle Tracking
  • Faster Charging (0-80% in 45 min)
  • Slightly Improved Performance
  • Latest watchOS features

  • Higher Price
  • Incremental Upgrade over Series 6

Apple Watch Series 6

  • More Affordable
  • Excellent Value
  • Reliable Performance
  • Still Receives watchOS Updates

  • No Temperature Sensing
  • Slower Charging
  • Older Chipset

Display Comparison

Both watches feature vibrant OLED displays with excellent visibility. The Series 8 has a slightly brighter display, but the difference is minimal in most real-world scenarios. Both offer Always-On display functionality.

Camera Comparison

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

Performance

The S8 chip in the Series 8 provides a modest performance boost over the S6. Apps launch slightly faster, and animations feel a bit smoother, but the difference isn't dramatic. Both watches handle everyday tasks with ease.

Battery Life

The Series 8 offers slightly improved battery life compared to the Series 6, though both typically last around 18 hours with moderate use. The Series 8's faster charging (0-80% in 45 minutes) is a noticeable advantage.

Buying Guide

The Apple Watch Series 8 is ideal for users prioritizing advanced health tracking (temperature sensing for cycle tracking), faster charging, and the latest software features. The Series 6 is a great buy for those seeking a reliable and feature-rich smartwatch at a more affordable price point, especially if they're upgrading from an older model.

Frequently Asked Questions

❓ Is the Apple Watch Series 8 a significant upgrade from the Series 6?
It's an incremental upgrade. The Series 8 adds temperature sensing and faster charging, but the Series 6 remains a capable smartwatch.
❓ How long does the battery last on each watch?
Both watches typically last around 18 hours with moderate use. The Series 8 charges faster.
❓ Will the Series 6 stop receiving software updates?
Not immediately. Apple typically supports older models with software updates for several years.
❓ Which Apple Watch is best for fitness tracking?
Both are excellent for fitness tracking. The Series 8's temperature sensing provides additional insights for women's health.