Apple Watch Series 2 42mm vs Elephone U
Apple Watch Series 2 42mm
Elephone U
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Network
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2G networkN/AGSM 850, 900, 1800, 1900; CDMA 800 MHz
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3G network-HSDPA 900, 2100; TD-SCDMA 1880-1920, 2010-2025 MHz
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800); LTE-TDD 1900 MHz, 2300 MHz, 2500 MHz, 2600 MHz
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE, Cat7, 301 Mbps download, 102 Mbps upload
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2016-92018-1
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Status-2018-1
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Design
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BuildStainless Steel/Ceramic backMetal, plastic
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SIMNoDual SIM (Nano-SIM/Nano-SIM(microSD))
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Height42.5 mm154 mm
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Width36.4 mm72.5 mm
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Thickness11.4 mm8.4 mm
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Weight52.4 g160 g
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Waterproof50m-
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ColorsSport band: silver case/white, black case/black; Leather band: silver case/blue, brown, orange; Stainless Steel band: silver case/silver, black case/blackBlack, Blue
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Display
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Display typeAMOLED capacitive touchscreenAMOLED
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Physical size1.65 inches5.99 inches
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Resolution390 x 312 pixels1080 x 2160 pixels
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Pixel density303 ppi403 ppi
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Display colors1677721616777216
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ProtectionSapphire crystal glassScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUDual-coreQuad-core 2.0 GHz Cortex-A53
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetApple S2MediaTek Helio P23(MT6763)
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GPU-Mali-G71 MP2
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Memory RAM-4, 6 GB
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Internal storage-64, 128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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OS
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OSwatchOS 3.0Android 7.1 Nougat/Android 8.0 Oreo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Ringtones-
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Headphone adapter-Yes
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Multimedia
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RadioNo-
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Radio FM-FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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Wi-Fi display-Yes
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USBType-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYesYes
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GPSYesYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsAccelerometer, gyro, heart rateAccelerometer, compass, fingerprint, gyroscope, hall, light, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity-3620 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-MediaTek Pump Express Plus
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Main camera
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Camera type-Dual
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Main camera13 MP
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13 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-dual-LED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera8 MP
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video-720p@30fps MP
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