Apple Watch Series 6 Aluminum vs Apple Watch Series 3 Aluminum

Phones Images
Apple Watch Series 6 Aluminum Apple Watch Series 3 Aluminum
PHONES
Phone Names Apple Watch Series 6 Aluminum Apple Watch Series 3 Aluminum
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, CanadaHSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891)
4G bands1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891)
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - Global1, 3, 39, 40, 41 - China (A1892)
Launch
Announced2020, September 152017, September. Released 2017, September
StatusAvailable. Released 2020, September 18Discontinued
Body
BuildGlass front, ceramic/sapphire crystal back, aluminum frameGlass front, ceramic back, aluminum frame
Dimensions44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)
SIMeSIMeSIM
Weight36.5 g (1.31 oz)34.9 g (1.23 oz)
 50m water resistant ECG certified (region dependent SW application; HW available on all models)50m water resistant
Display
ProtectionIon-X strengthened glassIon-X strengthened glass
Resolution448 x 368 pixels (~326 ppi density)390 x 312 pixels (~303 ppi density)
Size1.78 inches1.65 inches
TypeRetina LTPO OLED, 1000 nits (peak)Retina OLED, 1000 nits (peak)
 Always-on display3D Touch display
Platform
CPUDual-coreDual-core
ChipsetApple S6Apple S3
GPUPowerVRPowerVR
OSwatchOS 7.0, upgradable to watchOS 26.1watchOS 4.0, upgradable to watchOS 8.7
Memory
Card slotNoNo
Internal32GB 1GB RAM8GB 768MB RAM, 16GB 768MB RAM
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE4.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSSGPS, GLONASS
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, VO2maxAccelerometer, gyro, heart rate, barometer
 Natural language commands and dictation (talking mode) Ultra Wideband (UWB) supportNatural language commands and dictation (talking mode)
Battery
ChargingWirelessWireless
TypeLi-Ion 303.8 mAhLi-Ion 341 mAh (1.34 Wh), non-removable
Misc
ColorsSilver, Gold, Space Gray, Blue, RedSilver, Gold, Space Gray
ModelsA2293, A2294, A2375, A2376, A2291, A2292A1860, A1861, A1889, A1891, A1890, A1892, A1858, A1859
PriceAbout 420 EURAbout 480 EUR
SAR-0.52 W/kg (head)     0.34 W/kg (body)
Camera
 NoNo