Oppo A57s vs Ulefone Armor 21
Oppo A57s
Ulefone Armor 21
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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, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTELTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-082023-05
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Status2022-092023-05
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Design
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BuildGlass front (Panda Glass), plastic frame, plastic backPolycarbonate, TPU, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.8 mm176 mm
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Width75 mm81.6 mm
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Thickness8 mm18.1 mm
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Weight187 g400 g
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WaterproofIPX4IP68/IP69K (1.5m and 30 mins)
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Dust proofIP5XIP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlack, BlueBlack
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.56 inches6.58 inches
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Resolution720 x 1612 pixels1080 x 2408 pixels
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Pixel density269 ppi401 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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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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CPUQuad-core 2.3 GHz Cortex-A53Dual-core 2.2 GHz Cortex-A76
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CPU(second)quad-core 1.8 GHz Cortex-A53Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediaTek MT6765G Helio G35MediaTek MT8781 Helio G99
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GPUPowerVR GE8320Mali-G57 MC2
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Memory RAM4 GB8 GB
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Internal storage64 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max1 TB2 TB
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StorageeMMC 5.1-
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OS
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OSAndroid 12, ColorOS 12.1Android 13
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Main camera
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Camera typeDualDual
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Main camera(wide) , 50 MP, f/1.8 , 27 mm, 0.64 µm(wide) , 64 MP, f/1.9 , 0.8 µm
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(depth) , 2 MP, f/2.4(night vision) , 24 MP, f/1.8
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Primary camera resolution-9280 x 6180 pixels
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Primary camera video1080p@30fps-
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Primary camera flashLED flashLED flash
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Camera featuresHDR, PanoramaAutofocus, continuous shooting, digital zoom, 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 camera(wide) , 8 MP, f/2.0 , 26 mm(wide) , 16 MP, f/2.2 , 1.0 µm
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera featuresPanoramaFace unlock, HDR, face detection
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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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RadioNoStereo FM radio, RDS, recording
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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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.3v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, proximityAccelerometer, barometer, compass, fingerprint, gyroscope, 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 mAh9600 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingSuperVOOC, 33W (100% in 69 min)Yes, 33W
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Tests and performance
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Antutu110000 (v8)370000 (v9)
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Geekbench(single-core)-567 (v5.2)
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Geekbench(multi-core)-1857 (v5.2)
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Cost
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Price190 USD240 USD
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