Apple Watch Series 4 vs

Key Specs
Display 1.78"
Battery Non-removable Li-Ion battery
Camera
Storage 16 GB

Series 4 (GPS + Cellular) requires an iPhone 6/iOS 12 (or later)

Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100 / 800 - Europe, Australia
 HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada
 HSDPA 2100 - China
4G bandsLTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850) - Europe, Australia
 LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 13(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 41(2500) - USA, LATAM, Canada
 LTE band 1(2100), 3(1800), 39(1900), 40(2300), 41(2500) - China
SpeedHSPA, LTE
GPRSYes
EDGEYes
Launch
Announced2018, September
StatusAvailable. Released 2018, September
Body
Dimensions44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
Weight48 g (1.69 oz)
BuildStainless Steel frame; all-ceramic/sapphire crystal back
SIMElectronic SIM card (eSIM)
 - 50m waterproof
- ECG certified (USA only)
Display for Apple Watch Series 4
TypeLTPO AMOLED capacitive touchscreen, 16M colors
Size1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)
Resolution448 x 368 pixels (~326 ppi density)
ProtectionSapphire crystal glass
 - 3D Touch display
- 1000 nits
Platform
OSwatchOS 5.0
ChipsetApple S4
CPUDual-core
GPUPowerVR
Memory
Card slotNo
Internal16 GB
Camera
 No
Sound
Loudspeaker Yes
3.5mm jack No
Comms
WLANWi-Fi 802.11 b/g/n
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, GALILEO, QZSS
NFCYes
RadioNo
USBNo
Features
SensorsAccelerometer, gyro, heart rate (2nd gen), barometer
 - Audio player
- Photo viewer
- Siri natural language commands and dictation (talking mode)
Battery
 Non-removable Li-Ion battery
Stand-byUp to 18 h (mixed usage)
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