General Mobile GM 20 vs Oppo A1
General Mobile GM 20
Oppo A1
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 7, 8, 20, 38, 40LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 102 Mbps uploadLTE-A, 750 Mbps download, 211 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-032023-04
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Status2021-032023-04
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Design
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BuildPolycarbonatePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height154.5 mm165.6 mm
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Width73 mm76.1 mm
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Thickness8.8 mm8.2 mm
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Weight160 g191/193 g
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ColorsBlack, Blue, GreenBlack, Blue, Orange
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Display
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Display typeIPSIPS LCD
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Physical size6.09 inches6.72 inches
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Resolution720 x 1560 pixels1080 x 2400 pixels
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Pixel density282 ppi392 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Oleophobic coatingScratch resistant, 2.5D curved glass screen, AGC DT-Star2
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Display features-120Hz, 550 nits (typ), 680 nits (HBM)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.8 GHz Cortex-A53Dual-core 2.2 GHz Kryo 660 Gold
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CPU(second)quad-core 1.5 GHz Cortex-A53Hexa-core 1.7 GHz Kryo 660 Silver
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ChipsetMediaTek Helio A25 (MT6762D)Qualcomm SM6375 Snapdragon 695 5G
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GPUPowerVR GE8320Adreno 619
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Memory RAM4 GB8, 12 GB
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Internal storage64 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB1 TB
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Storage-UFS 2.2
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OS
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OSAndroid 10Android 13, ColorOS 13.1
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Main camera
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Camera typeTripleDual
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Main camera13 MP, f/1.850 MP, f/1.8 , (wide)
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5 MP2 MP, (depth) , f/2.4 , 89˚ , 1/5" , 1.75 µm
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2 MP
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Primary camera resolution4160 x 3120 pixels8120 x 6180 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, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera8 MP, f/2.08 MP, f/2.0 , (wide) , 77˚ , 1/4" , 1.12 µm
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Selfie camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Selfie camera features-Face unlock
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Selfie camera video720p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual Band-Yes
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USBType-C 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-aptX HD
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BeidouBeiDou-
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BDS-Yes
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QZSS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, 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 capacity4000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-SuperVOOC, 67W (76% in 30 min)
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Tests and performance
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Antutu86900 (v8)401000 (v9)
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Geekbench(single-core)-688 (v5.4)
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Geekbench(multi-core)-2045 (v5.4)
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Cost
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Price230 USD300 USD
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