Assistant AS-5421 Surf vs Prestigio Grace 7788 4G
Assistant AS-5421 Surf
Prestigio Grace 7788 4G
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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 3(1800), 7(2600), 18(800)
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HSDPA speed-42 Mbps
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HSUPA speed-5.76 Mbps
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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 announced2017-122018-10
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Status2017-122018-10
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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 (Mini-SIM, dual stand-by)
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Height146 mm213 mm
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Width73 mm127 mm
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Thickness9.4 mm9 mm
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Weight-360 g
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ColorsBlue, Gold, BlackBlack
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5 inches8 inches
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Resolution540 x 960 pixels1920 x 1200 pixels
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Pixel density220 ppi283 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 1.0 GHz Cortex-A53
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ChipsetSpreadtrum SC7731GMediaTek MT8735M
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GPUMali-400 MP2Mali-T720 MP2
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Memory RAM1 GB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSD, microSDHCmicroSD, microSDHC, microSDXC
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Memory card max32 GB32 GB
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OS
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OSAndroid 6.0 MarshmallowAndroid 8.1 Oreo
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Main camera
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Camera typeSingle-
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Main camera5 MP5 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 flash-
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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-modeDigital zoom, panorama, HDR, face detection, 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 resolution1600 x 1200 pixels1600 x 1200 pixels
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Selfie camera video480p@30fps480p@30fps
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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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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometer, proximity, lightAccelerometer, fingerprint, 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 mAh4000 mAh
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Battery removableRemovableNon-removable
