Apple Watch 42mm (1st gen) vs Apple Watch Sport Series 2 38mm
Apple Watch 42mm (1st gen)
Apple Watch Sport Series 2 38mm
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Network
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2G networkN/A
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GPRSNo
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EDGENo
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Availability
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Oficially announced2014-92016-12
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Status2015-4
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Design
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BuildStainless Steel/Ceramic backAluminum/Ceramic back
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SIMNoNo
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Height42 mm38.6 mm
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Width35.9 mm33.3 mm
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Thickness10.5 mm11.4 mm
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Weight50 g28.2 g
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WaterproofIPX7 certified, 1 m and 30 minutes50m
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ColorsBlack Link Bracelet, Blue/Stone/White/Storm Gray Leather Loop, Brown/Black/Blue/Marine Blue Buckle, Link Bracelet, Pearl Woven Nylon, Silver/Space Black Milanese Loop, Space Black Stainless Steel/Black, Stainless Steel/Red, WhiteCase colors: silver, black; Band types: sport, blue, gold, gray; Band colors: gray, pink, rose gold, white, woven nylon, yellow
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Display
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Display typeAMOLED capacitive touchscreenAMOLED capacitive touchscreen
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Physical size1.65 inches1.5 inches
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Resolution390 x 312 pixels340 x 272 pixels
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Pixel density303 ppi290 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glassIon-X strengthened glass
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MultitouchYesYes
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Display features3D Touch display, 450 nits3D Touch display, 1000 nits
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Hardware
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CPU520 MHz ARM Cortex-A7780 MHz ARM Cortex-A7 Dual-core
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ChipsetApple S1Apple S2
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GPUPowerVR SGX543PowerVR G6200
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Memory RAM512 MB512 MB
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Internal storage8 GB8 GB
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Memory card
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OS
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OSwatchOS 1.0watchOS 3.0
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; Ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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USB
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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bluetooth LEYes-
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NFCYesYes
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GPSNoYes
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GLONASS-Yes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push MailPush MailPush Mail
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JavaNoNo
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SensorsAccelerometer, gyro, heart rateAccelerometer, gyro, heart rate
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Browser
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BrowserNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity250 mAh273 mAh
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Battery removableNon-removableNon-removable
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Standby time18 h18 h