Oppo A78 vs Xiaomi Poco C31
Oppo A78
Xiaomi Poco C31
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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, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66LTE frequency band 1, 3, 5, 8, 40, 41
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5G network5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 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 speedLTE-ALTE-A, 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 announced2023-012021-09
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Status2023-012021-10
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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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Height163.8 mm164.9 mm
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Width75.1 mm77.1 mm
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Thickness8 mm9 mm
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Weight188 g194 g
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WaterproofIP54-
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Dust proofIP54-
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ColorsBlack, PurpleBlue, Gray
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.56 inches6.53 inches
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Resolution720 x 1612 pixels720 x 1600 pixels
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Pixel density269 ppi269 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Panda glassScratch resistant, 2.5D curved glass screen, Panda glass
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Display features90Hz, 480 nits (typ), 600 nits (HBM)-
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 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 MT6833 Dimensity 700MediaTek Helio G35
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GPUMali-G57 MC2PowerVR GE8320
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Memory RAM8 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 max1 TB256 GB
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StorageUFS 2.2eMMC 5.1
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OS
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OSAndroid 12, ColorOS 13Android 10, MIUI 12
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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˚ , 27 mm(wide) , 13 MP, f/2.2 , 1.0 µm
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(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm(macro) , 2 MP, f/2.4 , 1.0 µm
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(depth) , 2 MP, f/2.4 , 1.0 µm
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Primary camera resolution8190 x 6120 pixels4160 x 3120 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, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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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 , 77˚ , 27 mm, 1/4" , 1.12 µm(wide) , 5 MP, f/2.2 , 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 detection, face unlock
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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, with stereo speakers
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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
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-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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Bluetoothv5.3v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXYes-
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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, 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, 100% in 67 min)No
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Talk time 4G22.9 h-
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Tests and performance
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Antutu324000 (v9)109054 (v8)
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Geekbench(single-core)575 (v5.2)175 (v5.2)
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Geekbench(multi-core)1785 (v5.2)682 (v5.2)
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Cost
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Price250 USD100 USD
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SAR value
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SAR(head)-0.51 W/kg
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SAR(body)-0.83 W/kg
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