Apple Watch 38mm (1st gen) vs Samsung Gear S2 classic 3G
Apple Watch 38mm (1st gen)
Samsung Gear S2 classic 3G
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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3G network-HSDPA
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GPRSNo
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EDGENo
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Availability
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Oficially announced2014-92016-2
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Status2015-52016-3
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Design
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BuildStainless Steel/Ceramic backStainless Steel
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SIMNoElectronic SIM card (e-SIM)
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Height38.6 mm44 mm
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Width33.3 mm46.9 mm
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Thickness10.5 mm13.4 mm
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Weight40 g54 g
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WaterproofIPX7 certified, 1 m and 30 minutes-
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ColorsBlack Link Bracelet, Blue/Stone Leather Loop, Brown/Black/Blue/Red/Marigold/Jay Buckle, Link Bracelet, Pearl Woven Nylon, Silver/Space Black Milanese Loop, Space Black Stainless Steel/Black, Stainless Steel/Red, WhiteBlack, Rose Gold, ceramic bracelet
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Display
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Display typeAMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size1.5 inches1.2 inches
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Resolution340 x 272 pixels360 x 360 pixels
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Pixel density290 ppi424 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glassCorning Gorilla Glass 3
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MultitouchYesYes
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Display features3D Touch display, 450 nits-
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Hardware
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CPU520 MHz ARM Cortex-A71.0 GHz ARM Cortex-A7 Dual-core
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ChipsetApple S1Exynos 3250 Dual
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GPUPowerVR SGX543Mali-400MP2
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Internal storage8 GB4 GB
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Memory RAM512 MB512 MB
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Memory card
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OS
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OSwatchOS 1.0Tizen-based wearable platform
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; MP3, WAV 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, 802.11e
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USB
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Bluetoothv4.0v4.1
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bluetooth LEYes-
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NFCYesYes
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push MailPush Mail-
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JavaNoNo
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SensorsAccelerometer, gyro, heart rateAccelerometer, barometer, 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 capacity205 mAh300 mAh
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Battery removableNon-removableNon-removable
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Talk time-48 h
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Standby time18 h-
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Standby time 3G-48 h