Ulefone Power Armor 20WT vs vivo V21
Ulefone Power Armor 20WT
vivo V21
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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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 39, 40, 41
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps uploadEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTELTE-A, 1200 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2023-082021-04
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Status2023-082021-05
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Design
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BuildPolycarbonate, TPU, metalGlass front, plastic frame, plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height164.8 mm159.7 mm
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Width79.2 mm73.9 mm
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Thickness18.1 mm7.3 mm
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Weight382 g176 g
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WaterproofIP68/IP69K (1.5m and 30 mins)-
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Dust proofIP68/IP69K (1.5m and 30 mins)-
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MIL-STD-810HYes-
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ColorsBlackBlue, Sunset Dazzle
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Display
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Display typeIPS LCDAMOLED
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Physical size5.65 inches6.44 inches
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Resolution1080 x 2600 pixels1080 x 2400 pixels
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Pixel density427 ppi409 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Cortex-A76Dual-core 2.4 GHz Cortex-A76
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediaTek MT8781 Helio G99MediaTek MT6853 Dimensity 800U 5G
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GPUMali-G57 MC2Mali-G57 MC3
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Memory RAM12 GB8 GB
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Internal storage256 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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Storage-UFS 2.2
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OS
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OSAndroid 12Android 11, Funtouch 11.1
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Main camera
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Camera typeSingleTriple
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Main camera(wide) , 50 MP, f/2.2 , 1.0 µm(wide) , 64 MP, f/1.8 , 0.8 µm, 26 mm, 1/1.72"
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4
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Primary camera resolution8190 x 6120 pixels9280 x 6920 pixels
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Primary camera video1080p@30fps4K@30fps (no OIS), 1080p@30/60fps
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Primary camera flashdual-LED flashLED flash
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Camera featuresAutofocus, 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 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, 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 , 1.0 µm(wide) , 44 MP, f/2.0
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Selfie camera resolution4608 x 3456 pixels-
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Selfie camera features-Autofocus, face unlock, HDR
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Selfie camera video1080p@30fps4K@30fps (no OIS), 1080p@30fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioWireless FM radio, RDS, recordingNo
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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 Direct-Yes
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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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Bluetoothv5.2v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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GALILEOYesYes
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BDSYesYes
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, 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 capacity10850 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 33WYes (63% in 30 min)
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Tests and performance
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Antutu370000 (v9)343150 (v8)
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Geekbench(single-core)-551 (v5.2)
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Geekbench(multi-core)-1697 (v5.2)
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SAR value
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SAR EU(head)0.49 W/kg-
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SAR EU(body)1.04 W/kg-
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Cost
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Price360 USD380 USD
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