Posh Volt Max LTE L640 vs UMIDIGI S2 Pro
Posh Volt Max LTE L640
UMIDIGI S2 Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 2(1900), 3(1800), 4(1700/2100), 7(2600), 17(700)LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat6, 301 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-32017
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Status2016-62017
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Design
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Build-Aluminium alloy
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD))
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Height176 mm158.1 mm
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Width89.3 mm74.6 mm
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Thickness8.1 mm8.8 mm
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Weight230 g186 g
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ColorsGold, Grey, Rose GoldBlack, Red
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size6.44 inches6 inches
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Resolution1280 x 1920 pixels1080 x 2160 pixels
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Pixel density358 ppi402 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 4
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MultitouchYes, max 5 fingersYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 1.3 GHz ARM Cortex-A53Quad-core 2.6 GHz Cortex-A53
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CPU(second)quad-core 1.6 GHz Cortex-A53
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ChipsetMediatek MT6753MediaTek Helio P20(MT6757CD)
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GPUMali-T760MP2Mali-T880 MP2
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Memory RAM3 GB6 GB
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Internal storage32, 64 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid OS, v5.1 (Lollipop)UMI OS(Android 7.0 Nougat)
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Main camera
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Camera type-Dual
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Main camera13 MP, f/2.413 MP, 1.133 µm
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5 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps2160@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashquad-LED flash
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Camera features1.12 µm pixel size, 1/3" sensor size, HDR, face detection, geo-tagging, panorama, touch focusAutofocus, 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 camera8 MP, f/2.2 , 1/5" , 1.12 µm16 MP
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Selfie camera resolution-4608 x 3456 pixels
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-GoYesYes
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Bluetoothv4.1v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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GPSYes, with A-GPSYes, 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 MMSMMS-
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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, compass, proximityAccelerometer, compass, fingerprint, hall, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity6000 mAh5100 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-MediaTek Pump Express Plus 2.0
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Talk time 2G16 h-
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Talk time 3G8 h-
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Standby time 2G600 h480 h
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Standby time 3G400 h480 h
