Assistant AS-5421 Surf vs DEXP GS155
Assistant AS-5421 Surf
DEXP GS155
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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 900, 2100HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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LTE speed-LTE, Cat4, 150 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 announced2017-122019-5
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Status2017-122019-5
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Design
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BuildPlastic, metalPlastic
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SIMDual SIM (Micro-SIM, dual SIM stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height146 mm148.9 mm
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Width73 mm70.9 mm
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Thickness9.4 mm8.4 mm
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Weight-158 g
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ColorsBlue, Gold, BlackGold
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Display
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Display typeIPS capacitive touchscreenIPS
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Physical size5 inches5.45 inches
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Resolution540 x 960 pixels480 x 960 pixels
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Pixel density220 ppi197 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A53
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ChipsetSpreadtrum SC7731GMediatek MT6739WA
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GPUMali-400 MP2PowerVR GE8100
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSD, microSDHCmicroSD, microSDHC, microSDXC
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Memory card max32 GB64 GB
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OS
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OSAndroid 6.0 MarshmallowAndroid 8.1 Oreo Go Edition
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Main camera
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Camera typeSingle-
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Main camera5 MP5 MP
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Interpolated resolution-8 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera flashLED flashLED
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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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FlashLED flash-
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Selfie camera2 MP2 MP
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Selfie camera interpolated resolution-5 MP
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Selfie camera resolution1600 x 1200 pixels1600 x 1200 pixels
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Selfie camera video480p@30fps480p@30fps MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Earpiece-Yes
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Multimedia
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RadioFM RadioFM 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 HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometer, proximity, lightAccelerometer, fingerprint, 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 capacity1700 mAh2550 mAh
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Battery removableRemovableNon-removable
