Apple Watch 40mm Series 4 Aluminum vs Samsung Gear S2 classic 3G
Apple Watch 40mm Series 4 Aluminum
Samsung Gear S2 classic 3G
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA
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4G networkLTE-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced2018-92016-2
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Status2018-92016-3
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal backStainless Steel
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SIMElectronic SIM card (Apple e-SIM)Electronic SIM card (e-SIM)
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Height40 mm44 mm
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Width34 mm46.9 mm
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Thickness10.7 mm13.4 mm
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Weight30 g54 g
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Waterproof50m-
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ColorsGray, Gold, SilverBlack, Rose Gold, ceramic bracelet
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Display
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Display typeLTPO AMOLEDSuper AMOLED capacitive touchscreen
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Physical size1.57 inches1.2 inches
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Resolution394 x 324 pixels360 x 360 pixels
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Pixel density326 ppi424 ppi
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Display colors1677721616777216
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ProtectionIon-X strengthened glassCorning Gorilla Glass 3
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MultitouchYesYes
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Display features3D Touch display, 1000 nits-
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Hardware
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CPUDual-coreDual-core 1.0 GHz ARM Cortex-A7
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ChipsetApple S4Exynos 3250 Dual
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GPUPowerVRMali-400MP2
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Internal storage16 GB4 GB
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Memory RAM-512 MB
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Memory card-
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OS
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OSwatchOS 5.0Tizen-based wearable platform
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Main camera
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Primary cameraNo-
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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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USBNo
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Bluetoothv5.0v4.1
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Bluetooth A2DPYes-
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bluetooth LEYes-
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NFCYesYes
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GPSYes, with A-GPSNo
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GLONASSYes-
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GALILEOYes-
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QZSSYes-
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Java-No
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLNo-
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Browser-No
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-300 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