Coolpad Cool 20 vs Sigma Mobile X-style Tab A83
Coolpad Cool 20
Sigma Mobile X-style Tab A83
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100; CDMA2000 1xHSDPA 900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 34, 39, 40, 41-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE-A, Cat4, 301 Mbps download, 151 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-052019-1
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Status2021-062019-1
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Design
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BuildPlasticPlastic, metal
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Micro-SIM
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Height164.3 mm123 mm
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Width75.7 mm207 mm
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Thickness8.7 mm9 mm
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Weight199.6 g360 g
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ColorsBlack, Blue, WhiteBlack, Gray
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Display
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Display typeIPS LCDIPS capacitive touchscreen
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Physical size6.52 inches8 inches
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Resolution720 x 1600 pixels1280 x 800 pixels
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Pixel density269 ppi189 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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Multitouch-Yes
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Hardware
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CPUOcta-core-
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CPUDual-core 2.0 GHz Cortex-A75Quad-core 1.3 GHz Cortex-A7
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CPU(second)Hexa-core 1.8 GHz Cortex-A55
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ChipsetMediatek MT6769V/CU Helio G80Mediatek MT8321
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GPUMali-G52 MP3Mali-400 MP2
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Memory RAM4, 6 GB2 GB
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Internal storage64, 128 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB32 GB
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OS
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OSAndroid 11, CoolOS 2Android 8.1 Oreo
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Main camera
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Camera typeDualSingle
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Main camera(wide) , 48 MP, f/1.85 MP
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(depth) , 2 MP, f/2.4
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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 flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeContinuous 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 camera5 MP2 MP
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Selfie camera resolution2560 x 1920 pixels1600 x 1200 pixels
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Selfie camera featuresFace unlock-
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Selfie camera video720p@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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RadioNoFM 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-GoYesYes
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Bluetoothv5.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDR-Yes
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NFCNo-
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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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BDSYes-
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QZSSYes-
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Features
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SensorsAccelerometer, compass, 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 capacity4500 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Tests and performance
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Antutu200500 (v8)-
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Geekbench(single-core)389 (v5.2)-
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Geekbench(multi-core)1402 (v5.2)-
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Cost
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Price100 USD-
