UMIDIGI S2 vs Apple Watch Sport 42mm (1st gen)
UMIDIGI S2
Apple Watch Sport 42mm (1st gen)
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Network
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2G networkGSM 850, 900, 1800, 1900N/A
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3G networkHSDPA 850, 900, 1900, 2100-
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 18(800)-
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LTE speedLTE, Cat6, 301 Mbps download, 51 Mbps upload-
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GPRSYesNo
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EDGEYesNo
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Availability
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Oficially announced20172014-9
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Status20172015-4
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Design
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BuildAluminium alloyAluminum/Composite back
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))No
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Height158.1 mm42 mm
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Width74.6 mm35.9 mm
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Thickness8.8 mm10.5 mm
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Weight186 g30 g
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Waterproof-IPX7 certified, 1 m and 30 minutes
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ColorsBlack, RedApricot, Blue, Blue; Gray/Black; Rose Gold/Lavender, Orange, Pink/Royal Blue/Gold&Red/Black Woven Nylon, Royal Blue, Silver/White, Stone; Gold/White, Yellow
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Display
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Display typeIPS capacitive touchscreenAMOLED capacitive touchscreen
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Physical size6 inches1.65 inches
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Resolution720 x 1440 pixels390 x 312 pixels
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Pixel density268 ppi302 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4Ion-X strengthened glass
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MultitouchYesYes
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Display features-3D Touch display, 450 nits
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.3 GHz Cortex-A53520 MHz Cortex-A7 ARM
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediaTek Helio P20(MT6757)Apple S1
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GPUMali-T880 MP2PowerVR SGX543
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Memory RAM4 GB512 MB
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Internal storage64 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXC
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Memory card max256 GB-
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StorageeMMC 5.1-
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OS
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OSAndroid OS, v6.0 Marshmallow, UMI OS(Android 7.0 Nougat)watchOS 1.0
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Main camera
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Camera typeDual-
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Main camera13 MP, f/2.0 , 4 mm, 1.133 µm
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5 MP
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video2160p@30fps-
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Primary camera flashquad-LED flash-
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Camera featuresAutofocus, continuous shooting, 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 camera5 MP, f/2.0 , 3 mm, 1.141 µm
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video480p@30fps-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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Notifications-Vibration; Ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHzWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBType-C reversible connector
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USB On-The-GoYes-
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Bluetoothv4.0v4.0
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Bluetooth A2DPYes-
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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSNo
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GLONASSYes-
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Features
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Messaging SMS-SMS(threaded view)
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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, compass, fingerprint, hall, light, proximityAccelerometer, gyro, heart rate
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5100 mAh250 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Standby time-18 h
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Standby time 2G480 h-
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Standby time 3G480 h-