Oppo A77 5G vs Realme C21
Oppo A77 5G
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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 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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5G network5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 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 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 announced2022-062021-03
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Status2022-062021-03
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Design
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BuildGlass front, plastic frame, plastic backGlass 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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Height163.8 mm165.2 mm
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Width75.1 mm76.4 mm
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Thickness8 mm8.9 mm
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Weight190 g190 g
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WaterproofIPX4-
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Dust proofIPX4-
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ColorsBlack, BlueBlack, Blue
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.56 inches6.5 inches
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Resolution720 x 1612 pixels720 x 1600 pixels
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Pixel density269 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screenScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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Display features480 nits (typ), 600 nits (HBM)-
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Quad-core 2.3 GHz Cortex-A53
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CPU(second)Hexa-core 2.0 GHz Cortex-A55quad-core 1.8 GHz Cortex-A53
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ChipsetMediaTek MT6833P Dimensity 810MediaTek Helio G35
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GPUMali-G57 MC2PowerVR GE8320
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Memory RAM6 GB3, 4 GB
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Internal storage128 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 2.2eMMC 5.1
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OS
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OSAndroid 12, ColorOS 12.1Android 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) , 48 MP, f/1.7 , 80˚ , 26 mm(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm
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(depth) , 2 MP, f/2.4 , 89˚(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution8000 x 6000 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 , 79˚ , 26 mm(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 HotspotYesYes
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WLAN WiFi DirectYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.3v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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NFCYesNo
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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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QZSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, 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, 33W (53% in 30 min)Yes
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Reverse charging-Yes
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Tests and performance
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Antutu355000 (v9)110490 (v8)
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Geekbench(single-core)591 (v5.4)174 (v5.2)
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Geekbench(multi-core)1771 (v5.4)982 (v5.2)
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Cost
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Price290 USD130 USD
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