Fairphone 4 vs Oppo A1k
Fairphone 4
Oppo A1k
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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, 1700(AWS), 1900, 2100WCDMA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
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5G network5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-A (4CA), Cat18, 1200 Mbps download, 150 Mbps uploadLTE Cat 4, 150.8 Mbps download, 51 Mbps upload
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5G speed2.3 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092019-4
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Status2021-092019-5
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Design
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BuildGlass front (Gorilla Glass 5), plastic back, plastic framePlastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height162 mm154.5 mm
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Width75.5 mm73.8 mm
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Thickness10.5 mm8.4 mm
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Weight225 g170 g
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WaterproofIP54-
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Dust proofIP54-
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MIL-STD-810GYes-
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ColorsGray, Green, Speckled GreenBlack, Red
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Display
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Display typeIPS LCDIPS capacitive touchscreen
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Physical size6.3 inches6.1 inches
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Resolution1080 x 2340 pixels720 x 1560 pixels
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Pixel density409 ppi282 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass 52.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
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Multitouch-Yes
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Kryo 570Quad-core 2 GHz Cortex-A53
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CPU(second)Hexa-core 1.8 GHz Kryo 570quad-core 1.5 GHz Cortex-A53
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ChipsetQualcomm SM7225 Snapdragon 750G 5GMediatek Helio P22 (MT6762)
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GPUAdreno 619PowerVR GE8320
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Memory RAM6, 8 GB2 GB
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Internal storage128, 256 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max2 TB256 GB
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OS
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OSAndroid 11ColorOS 6.0 (Android 9.0 Pie)
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Main camera
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Camera typeTripleSingle
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Main camera(wide) , 48 MP, f/1.6 , 1/2.0" , 0.8 µm, 8x digital zoom8 MP, f/2.2 , 1/3.2" , 1.4 µm
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(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm
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TOF 3D
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Primary camera resolution8000 x 6000 pixels3264 x 2448 pixels
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Primary camera video4K@30fps, 1080p@30/60fps, gyro-EIS1080p@30fps
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Primary camera flashdual-LED dual-tone flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, scene-mode, phase detection autofocusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(wide) , 25 MP, f/2.2 , 1/2.78" , 0.9 µm5 MP, f/2 , 1/5" , 1.12 µm
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Selfie camera resolution-2560 x 1920 pixels
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Selfie camera featuresDigital image stabilization, face detection, face unlock, HDR-
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Selfie camera video1080p@30fps, gyro-EIS720p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioNoNo
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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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Wi-Fi display-Yes
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WLAN WiFi Dual BandYes-
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USBType-C 3.0, DisplayPortmicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv5.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes-
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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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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, proximity, light, compass, fingerprint
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3905 mAh4000 mAh
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Battery removableRemovableNon-removable
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Fast battery chargingQuick Charge, 20W (50% in 30 min)-
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Talk time 3G30 h-
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Talk time 4G13 h-
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Standby time 4G200 h-
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Tests and performance
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Antutu385000 (v9)-
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Geekbench(single-core)642 (v5.4)-
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Geekbench(multi-core)1878 (v5.4)-
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SAR value
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SAR EU(head)0.49 W/kg-
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SAR EU(body)0.99 W/kg-
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Cost
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Price670 USD-