Oppo K9s vs Ulefone Armor 21
Oppo K9s
Ulefone Armor 21
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 4, 5, 8, 19, 28, 34, 38, 39, 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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5G network5G band 1, 28, 41, 77, 78 SA/NSA-
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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 speedLTE-A, 1200 Mbps download, 210 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-102023-05
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Status2021-112023-05
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Design
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BuildPlastic, glassPolycarbonate, TPU, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.4 mm176 mm
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Width75.9 mm81.6 mm
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Thickness8.5 mm18.1 mm
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Weight199 g400 g
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Waterproof-IP68/IP69K (1.5m and 30 mins)
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsAurora, Black, SilverBlack
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.59 inches6.58 inches
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Resolution1080 x 2412 pixels1080 x 2408 pixels
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Pixel density401 ppi401 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Panda glassScratch resistant
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Display features120Hz, 480 nits (typ), 600 nits (HBM)-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.4 GHz Kryo 670Dual-core 2.2 GHz Cortex-A76
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CPU(second)quad-core 1.9 GHz Kryo 670Hexa-core 2.0 GHz Cortex-A55
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ChipsetQualcomm SM7325 Snapdragon 778G 5GMediaTek MT8781 Helio G99
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GPUAdreno 642LMali-G57 MC2
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Memory RAM6, 8 GB8 GB
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Internal storage128 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB2 TB
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StorageUFS 2.2-
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OS
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OSAndroid 11, ColorOS 11.2Android 13
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 64 MP, f/1.7 , 81˚ , 26 mm, 1/2.0" , 0.8 µm, 20x digital zoom(wide) , 64 MP, f/1.9 , 0.8 µm
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4" , 1.12 µm(night vision) , 24 MP, f/1.8
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89˚ , (macro) , 2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution9248 x 6936 pixels9280 x 6180 pixels
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Primary camera video4K@30fps, 1080p@30/60/120fps; gyro-EIS-
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous autofocus, 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, macro-mode, phase detection autofocus, contrast detection autofocusAutofocus, 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) , 16 MP, f/2.0 , 79˚(wide) , 16 MP, f/2.2 , 1.0 µm
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Selfie camera resolution4608 x 3456 pixels4608 x 3456 pixels
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Selfie camera featuresFace unlock, HDRFace unlock, HDR, face detection
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Selfie camera video1080p@30fps, gyro-EIS1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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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, 802.11ac, 802.11axWi-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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Bluetoothv5.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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Infrared-Yes
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NFCNoYes
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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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QZSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, 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 chargingVOOC 4.0, 30WYes, 33W
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Reverse chargingYes-
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Tests and performance
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Antutu568448 (v9)370000 (v9)
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Geekbench(single-core)784 (v5.2)567 (v5.2)
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Geekbench(multi-core)2875 (v5.2)1857 (v5.2)
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Cost
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Price310 USD240 USD