Apple Watch Series 8 vs. Series 4: A Detailed Comparison

The Apple Watch remains the gold standard in smartwatches, but with several generations released, choosing the right model can be tricky. We're pitting the latest Series 8 against the still-capable Series 4 to help you decide which offers the best value and features for your lifestyle.
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🏆 Quick Verdict

The Series 8 offers significant upgrades in health tracking, display technology, and charging speed. However, the Series 4 remains a solid option for budget-conscious buyers who prioritize core smartwatch functionality. For most, the Series 8's advancements justify the price, but the Series 4 is a surprisingly good value.

PHONES
Phone Names Apple Watch Series 8 Apple Watch Series 4
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HKHSDPA 850 / 900 / 2100 / 800 - Europe, Australia
4G bands1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia
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, 3, 39, 40, 41 - China
Launch
Announced2022, September 072018, September. Released 2018, September
StatusAvailable. Released 2022, September 16Discontinued
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)48 g (1.69 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 display3D Touch display
Platform
CPUDual-coreDual-core
ChipsetApple S8Apple S4
GPUPowerVRPowerVR
OSwatchOS 9.0, upgradable to watchOS 26.1watchOS 5.0, upgradable to watchOS 10.6.1
Memory
Card slotNoNo
Internal32GB 1GB RAM16GB 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
Features
SensorsAccelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)Accelerometer, gyro, heart rate, barometer
 Temperature sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) supportNatural language commands and dictation (talking mode)
Battery
ChargingWireless, 0-80% in 45 minWireless
TypeLi-Ion 308 mAhLi-Ion 292 mAh (1.12 Wh), non-removable
Misc
ColorsGraphite, Silver, GoldSpace Black, Silver, Gold
ModelsA2773, A2775, A2772, A2774, A2857, A2858, watch6,16, watch6,17A1975, A1976, A2007, A2008
PriceAbout 330 EURAbout 700 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

  • Advanced health tracking (ECG, temperature sensing)
  • Brighter Always-On display
  • Faster charging
  • Improved performance with S8 chip
  • Crash Detection

  • Higher price
  • Battery life not dramatically improved over Series 4

Apple Watch Series 4

  • More affordable
  • Still offers core smartwatch functionality
  • Compact and lightweight design
  • Reliable performance for basic tasks

  • Less bright display
  • Slower charging
  • Older processor
  • Lacks advanced health features

Display Comparison

The Series 8 boasts a brighter Always-On Retina display with thinner borders, offering improved visibility even in direct sunlight. The Series 4's display is still sharp and vibrant, but noticeably less bright and lacks the Always-On functionality, requiring a wrist raise to activate.

Camera Comparison

Neither the Series 8 nor the Series 4 have a dedicated camera. This feature has never been included in Apple Watch models.

Performance

While both watches use dual-core processors, the S8 chip in the Series 8 provides a noticeable performance boost, resulting in smoother animations and faster app loading times. The Series 4's performance is adequate for everyday tasks, but can feel sluggish at times.

Battery Life

The Series 8 offers slightly improved battery life compared to the Series 4, but both typically last around 18 hours with moderate use. The Series 8's faster charging (0-80% in 45 minutes) is a significant advantage.

Buying Guide

The Apple Watch Series 8 is ideal for fitness enthusiasts, those prioritizing advanced health features (like temperature sensing and ECG), and users who want the latest technology. The Series 4 is a great choice for first-time smartwatch buyers, those on a tighter budget, or users who primarily need notifications and basic fitness tracking.

Frequently Asked Questions

❓ Is the Apple Watch Series 4 still worth buying in 2024?
Yes, the Series 4 remains a viable option for those on a budget who need basic smartwatch features. However, be aware of its limitations compared to newer models.
❓ What are the key differences between the Series 4 and Series 8?
The Series 8 offers a brighter display, faster charging, improved performance, advanced health tracking features (ECG, temperature sensing, crash detection), and a slightly longer battery life.
❓ Does the Series 4 support watchOS updates?
The Series 4 is no longer receiving the latest watchOS updates. It will eventually become unsupported.
❓ How much does each watch cost?
The Apple Watch Series 8 typically retails for $399+, while the Series 4 can be found used or refurbished for significantly less, often under $200.