Apple Watch 40mm Series 4 Aluminum vs Samsung Z2
Apple Watch 40mm Series 4 Aluminum
Samsung Z2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPAHSDPA 900, 2100
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4G networkLTELTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300)
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-92016-8
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Status2018-92016-8
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Design
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BuildAluminum frame; all-ceramic/sapphire crystal back-
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SIMElectronic SIM card (Apple e-SIM)Dual SIM (Micro-SIM, dual stand-by)
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Height40 mm121.5 mm
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Width34 mm63 mm
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Thickness10.7 mm10.8 mm
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Weight30 g127 g
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Waterproof50m-
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ColorsGray, Gold, SilverBlack, Gold, Red
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Display
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Display typeLTPO AMOLEDTFT capacitive touchscreen
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Physical size1.57 inches4.0 inches
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Resolution394 x 324 pixels480 x 800 pixels
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Pixel density326 ppi233 ppi
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Display colors16777216262144
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ProtectionIon-X strengthened glass-
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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-coreQuad-core 1.5 GHz ARM Cortex-A7
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ChipsetApple S4Spreadtrum SC9830
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GPUPowerVRMali-400MP2
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Internal storage16 GB8 GB
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Memory RAM-1 GB
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Memory card-microSD
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Memory card max-200 GB
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OS
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OSwatchOS 5.0Tizen OS, v2.4
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Main camera
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Primary cameraNo-
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Main camera5 MP, f/2.2
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Primary camera video-720p@30fps
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Primary camera flash-LED flash
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Camera features-Yes
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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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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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBNomicroUSB 2.0
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Bluetoothv5.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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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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Messaging Push Mail-Push Mail
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Java-No
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SensorsAccelerometer, barometer, gyro (second gen), heart rateAccelerometer
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Browser
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HTMLNoYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1500 mAh
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Battery removableNon-removableRemovable
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Talk time 3G-8 h
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Standby time18 h-
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Selfie camera
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Selfie cameraf/2.4
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Selfie camera video-VGA
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