General Mobile GM 20 Pro vs Sigma Mobile X-style Tab A83
General Mobile GM 20 Pro
Sigma Mobile X-style Tab A83
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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 networkLTE frequency band 1, 3, 7, 8, 20, 38, 40-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat7, 301 Mbps download, 102 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-032019-1
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Status2021-032019-1
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Design
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BuildPolycarbonatePlastic, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Micro-SIM
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Height157.5 mm123 mm
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Width75 mm207 mm
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Thickness8.65 mm9 mm
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Weight180 g360 g
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ColorsBlack, Blue, WhiteBlack, Gray
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size6.3 inches8 inches
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Resolution1080 x 2340 pixels1280 x 800 pixels
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Pixel density409 ppi189 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Oleophobic coating-
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Multitouch-Yes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.1 GHz Cortex-A73Quad-core 1.3 GHz Cortex-A7
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CPU(second)quad-core 1.95 GHz Cortex-A53
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ChipsetMediaTek Helio P70Mediatek MT8321
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GPUMali-G72 MP3Mali-400 MP2
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Memory RAM6 GB2 GB
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Internal storage128 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB32 GB
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StorageUFS 2.1-
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OS
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OSAndroid 10Android 8.1 Oreo
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Main camera
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Camera typeTripleSingle
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Main camera48 MP, f/1.795 MP
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8 MP
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2 MP
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Primary camera resolution8000 x 6000 pixels2592 x 1944 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashdual-LED 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-mode, phase detection autofocusContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera16 MP, f/2.02 MP
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Selfie camera resolution4608 x 3456 pixels1600 x 1200 pixels
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Selfie camera featuresFace unlock, HDR-
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Selfie camera video1080p@30fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GALILEOYes-
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BeidouBeiDou-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, proximity, light
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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 capacity4050 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Standby time 4G900 h-
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Tests and performance
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Antutu328753 (v9)-
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Cost
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Price250 USD-
