Oppo A78 4G vs Realme C21
Oppo A78 4G
Realme C21
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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 850, 900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
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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 speedLTELTE, Cat4, 150 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 announced2023-072021-03
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Status2023-072021-03
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Design
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BuildPlasticGlass front, plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160 mm165.2 mm
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Width73.2 mm76.4 mm
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Thickness7.9 mm8.9 mm
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Weight180 g190 g
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WaterproofIP54-
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Dust proofIP54-
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ColorsAqua Green, BlackBlack, Blue
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Display
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Display typeAMOLEDIPS LCD
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Physical size6.43 inches6.5 inches
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Resolution1080 x 2400 pixels720 x 1600 pixels
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Pixel density409 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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Display features90Hz, 430 nits-
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Kryo 265 GoldQuad-core 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.9 GHz Kryo 265 Silverquad-core 1.8 GHz Cortex-A53
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ChipsetQualcomm SM6225 Snapdragon 680 4GMediaTek Helio G35
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GPUAdreno 610PowerVR GE8320
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Memory RAM8 GB3, 4 GB
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Internal storage128, 256 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max1 TB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 13, ColorOS 13.1Android 10, Realme UI 1.0 / Android 11, Realme UI 2.0
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 50 MP, f/1.8 , 77˚(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm
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(depth) , 2 MP, f/2.4(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution8190 x 6120 pixels2560 x 1920 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, digital zoom, digital image stabilization, 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 camera(wide) , 8 MP, f/2.0 , 83˚ , 1/4" , 1.12 µm(wide) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm
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Selfie camera resolution3264 x 2448 pixels2560 x 1920 pixels
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Selfie camera featuresFace unlock, HDRFace unlock, HDR, panorama
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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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 Hotspot-Yes
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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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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYes (market dependent)No
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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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BDSYesYes
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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 capacity5000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingSuperVOOC, 67W (76% in 30 min)Yes
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Reverse charging-Yes
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Tests and performance
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Antutu249000 (v9)110490 (v8)
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Geekbench(single-core)411 (v6)174 (v5.2)
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Geekbench(multi-core)1263 (v6)982 (v5.2)
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Cost
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Price220 USD130 USD
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