Coolpad Cool 20 vs Doogee S51
Coolpad Cool 20
Doogee S51
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 2100; CDMA2000 1xHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 34, 39, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
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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 uploadEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A, Cat4, 301 Mbps download, 151 Mbps uploadLTE, 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 announced2021-052022-09
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Status2021-062022-09
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Design
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BuildPlasticMetal, rubber, polycarbonate
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.3 mm167.4 mm
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Width75.7 mm81.4 mm
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Thickness8.7 mm14.6 mm
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Weight199.6 g266 g
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Waterproof-IP68/IP69K
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlack, Blue, WhiteBlack, Green, Orange
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.52 inches6.0 inches
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Resolution720 x 1600 pixels720 x 1440 pixels
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Pixel density269 ppi268 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, Corning Gorilla Glass
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Hardware
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CPUOcta-core-
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CPUDual-core 2.0 GHz Cortex-A75Octa-core 2.0 GHz Cortex-A53
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CPU(second)Hexa-core 1.8 GHz Cortex-A55
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ChipsetMediatek MT6769V/CU Helio G80MediaTek Helio G25
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GPUMali-G52 MP3PowerVR GE8320
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Memory RAM4, 6 GB4 GB
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Internal storage64, 128 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB512 GB
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OS
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OSAndroid 11, CoolOS 2Android 12
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Main camera
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Camera typeDualDual
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Main camera(wide) , 48 MP, f/1.8(wide) , 20 MP, f/1.8 , 90˚ , 1/2.9" , 1.25 µm
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(depth) , 2 MP, f/2.4(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution8000 x 6000 pixels5184 x 3840 pixels
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Primary camera video1080p@30fps1080p
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Primary camera flashLED flashquad-LED 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-modeAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera5 MP8 MP, (wide) , f/2.0 , 80˚
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Selfie camera resolution2560 x 1920 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlockFace unlock
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Selfie camera video720p@30fps1080p
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCNoYes
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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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BDSYesYes
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QZSSYes-
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Features
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SensorsAccelerometer, compass, proximityAccelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4500 mAh5180 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 3G-24 h
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Talk time 4G-24 h
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Standby time 3G-360 h
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Standby time 4G-360 h
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Tests and performance
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Antutu200500 (v8)102000 (v8)
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Geekbench(single-core)389 (v5.2)166 (v5.2)
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Geekbench(multi-core)1402 (v5.2)968 (v5.2)
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Cost
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Price100 USD155 USD
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