Cubot J20 vs Realme Narzo 30A
Cubot J20
Realme Narzo 30A
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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 850, 900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 19, 20, 40LTE frequency band 1, 3, 5, 8, 38, 40, 41
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE-A, 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 announced2023-032021-02
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Status2023-032021-03
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Design
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BuildPlasticPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height138 mm164.5 mm
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Width65 mm75.9 mm
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Thickness10.8 mm9.8 mm
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Weight143 g205 g
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ColorsBlack, GreenBlack, Blue
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Display
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Display typeIPS TFTIPS LCD
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Physical size4 inches6.5 inches
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Resolution480 x 584 pixels720 x 1600 pixels
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Pixel density245 ppi270 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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Display features-470 nits (typ), 570 nits (peak)
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A53Dual-core 2.0 GHz Cortex-A75
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CPU(second)Hexa-core 1.8 GHz Cortex-A55
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ChipsetMediatek MT6739WAMediaTek Helio G85
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GPUPowerVR GE8100Mali-G52 MC2
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Memory RAM2 GB3, 4 GB
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Internal storage16 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 12 Go EditionAndroid 10, Realme UI
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Main camera
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Camera typeSingleDual
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Main camera5 MP13 MP, (wide) , f/2.2 , 26 mm, 1/3.06" , 1.12 µm
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2 MP, f/2.4
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Primary camera resolution2560 x 1920 pixels4160 x 3120 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, geotagging, HDR, touch focus, face detection, self-timerAutofocus, digital zoom, digital image stabilization, 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 typeSingleSingle
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Selfie camera2 MP8 MP, (wide) , f/2.0 , 79˚ , 26 mm, 1/4" , 1.12 µm
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Selfie camera resolution1920 x 1080 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlockFace unlock, HDR
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Selfie camera video480p@30fps1080p@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 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometer, lightAccelerometer, 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 capacity2350 mAh6000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Quick Charge 2.0
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Reverse charging-Yes
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Talk time 3G-52 h
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Standby time 3G-1104 h
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Tests and performance
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Antutu46844 (v8)200000 (v8)
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Geekbench(single-core)157 (v5.2)292 (v5.2)
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Geekbench(multi-core)380 (v5.2)1277 (v5.2)
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Cost
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Price65 USD130 USD
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SAR value
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SAR(head)-1.37 W/kg
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SAR(body)-1.10 W/kg
