Apple Watch Series 3 Aluminum vs Apple Watch 42mm (1st gen)

Phones Images
Apple Watch Series 3 Aluminum Apple Watch 42mm (1st gen)
PHONES
Phone Names Apple Watch Series 3 Aluminum Apple Watch 42mm (1st gen)
Network
2G bandsGSM 850 / 900 / 1800 / 1900N/A
3G bandsHSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891)-
4G bands1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891)-
EDGE-No
GPRS-No
SpeedHSPA, LTE-
TechnologyGSM / HSPA / LTENo cellular connectivity
 1, 3, 39, 40, 41 - China (A1892)-
Launch
Announced2017, September. Released 2017, September2014, September. Released 2015, April
StatusDiscontinuedDiscontinued
Body
BuildGlass front, ceramic back, aluminum frameGlass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
Dimensions42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)42 x 35.9 x 10.5 mm (1.65 x 1.41 x 0.41 in)
SIMeSIMNo
Weight34.9 g (1.23 oz)50 g body (2.82 oz)
 50m water resistantIPX7 water resistant up to 1 meter and 30 minutes
Display
ProtectionIon-X strengthened glassSapphire crystal glass
Resolution390 x 312 pixels (~303 ppi density)390 x 312 pixels (~303 ppi density)
Size1.65 inches1.65 inches
TypeRetina OLED, 1000 nits (peak)Retina OLED, 450 nits (peak)
 3D Touch display3D Touch display
Platform
CPUDual-core520 MHz Cortex-A7
ChipsetApple S3Apple S1 (28 nm)
GPUPowerVRPowerVR SGX543
OSwatchOS 4.0, upgradable to watchOS 8.7watchOS 1.0, upgradable to watchOS 4.3.2
Memory
Card slotNoNo
Internal8GB 768MB RAM, 16GB 768MB RAM8GB 512MB RAM
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE4.0, LE
NFCYesYes
PositioningGPS, GLONASSNo
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Features
SensorsAccelerometer, gyro, heart rate, barometerAccelerometer, gyro, heart rate
 Natural language commands and dictation (talking mode)Natural language commands and dictation
Battery
ChargingWirelessWireless
TypeLi-Ion 341 mAh (1.34 Wh), non-removableLi-Ion 250 mAh (0.94 Wh), non-removable
Misc
ColorsSilver, Gold, Space GrayStainless Steel/Red, White, Brown/Black/Blue/Marine Blue Buckle, Blue/Stone/White/Storm Gray Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon
ModelsA1860, A1861, A1889, A1891, A1890, A1892, A1858, A1859A1554
PriceAbout 480 EURAbout 700 EUR
SAR0.52 W/kg (head)     0.34 W/kg (body)-
Camera
 NoNo