General Mobile GM 20 vs Oppo A1k
General Mobile GM 20
Oppo A1k
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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, 2100WCDMA 850, 900, 2100
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4G networkLTE frequency band 1, 3, 7, 8, 20, 38, 40LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 102 Mbps uploadLTE Cat 4, 150.8 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 announced2021-032019-4
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Status2021-032019-5
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Design
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BuildPolycarbonatePlastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height154.5 mm154.5 mm
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Width73 mm73.8 mm
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Thickness8.8 mm8.4 mm
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Weight160 g170 g
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ColorsBlack, Blue, GreenBlack, Red
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size6.09 inches6.1 inches
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Resolution720 x 1560 pixels720 x 1560 pixels
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Pixel density282 ppi282 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Oleophobic coating2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
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Multitouch-Yes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.8 GHz Cortex-A53Quad-core 2 GHz Cortex-A53
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CPU(second)quad-core 1.5 GHz Cortex-A53quad-core 1.5 GHz Cortex-A53
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ChipsetMediaTek Helio A25 (MT6762D)Mediatek Helio P22 (MT6762)
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GPUPowerVR GE8320PowerVR GE8320
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Memory RAM4 GB2 GB
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Internal storage64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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OS
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OSAndroid 10ColorOS 6.0 (Android 9.0 Pie)
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Main camera
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Camera typeTripleSingle
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Main camera13 MP, f/1.88 MP, f/2.2 , 1/3.2" , 1.4 µm
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5 MP
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2 MP
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Primary camera resolution4160 x 3120 pixels3264 x 2448 pixels
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Primary camera video1080p@30fps1080p@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 autofocusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera8 MP, f/2.05 MP, f/2 , 1/5" , 1.12 µm
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Selfie camera resolution3264 x 2448 pixels2560 x 1920 pixels
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Selfie camera video720p@30fps720p@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 RadioNo
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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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WLAN WiFi DirectYes-
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Wi-Fi display-Yes
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USBType-C 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BeidouBeiDouYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, proximity, light, compass, fingerprint
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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 capacity4000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Tests and performance
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Antutu86900 (v8)-
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Cost
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Price230 USD-
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