Lenovo Legion Duel 2 vs Ulefone Armor 21
Lenovo Legion Duel 2
Ulefone Armor 21
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43LTE 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, 2, 3, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6/mmWave-
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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 (CA)LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-042023-05
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Status2021-052023-05
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Design
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BuildGlass front (Gorilla Glass 5), glass back, aluminum framePolycarbonate, TPU, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height176 mm176 mm
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Width78.5 mm81.6 mm
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Thickness9.9 mm18.1 mm
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Weight259 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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Build featuresBuilt-in two cooling fans, RGB light panel (on the back), 6 pressure sensitive zones (gaming triggers)-
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ColorsBlack, WhiteBlack
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Display
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Display typeAMOLEDIPS LCD
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Physical size6.92 inches6.58 inches
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Resolution1080 x 2460 pixels1080 x 2408 pixels
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Pixel density388 ppi401 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5Scratch resistant
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Display features144Hz, HDR10+, 1300 nits (peak)-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 680Dual-core 2.2 GHz Cortex-A76
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CPU(second)Triple-core 2.42 GHz Kryo 680Hexa-core 2.0 GHz Cortex-A55
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CPU(third)Quad-core 1.8 GHz Kryo 680
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ChipsetQualcomm SM8350 Snapdragon 888 5GMediaTek MT8781 Helio G99
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GPUAdreno 660Mali-G57 MC2
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Memory RAM12, 16 GB8 GB
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Internal storage256, 512 GB256 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-2 TB
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StorageUFS 3.1-
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OS
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OSAndroid 11, ZUI 12.5Android 13
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Main camera
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Camera typeDualDual
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Main camera(wide) , 64 MP, f/1.9 , 82˚ , 25 mm, 1/1.32" , 1.0 µm(wide) , 64 MP, f/1.9 , 0.8 µm
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(ultrawide) , 16 MP, f/2.2 , 123˚ , 16 mm, 1.0 µm(night vision) , 24 MP, f/1.8
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Primary camera resolution9280 x 6920 pixels9280 x 6180 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, gyro-EIS, HDR10+ rec.-
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Primary camera flashdual-LED 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 camera44 MP, f/2.0 , 24 mm, 1/2.65" , 1.0 µm16 MP, f/2.2 , 1.0 µm, (wide)
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera features-Face unlock, HDR, face detection
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Selfie camera video4K@30/60fps, 1080p@30/60/120fps1080p@30fps
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Sound
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3.5mm jackNoYes
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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, 802.11ac, 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 BandDual-bandYes
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USB2 x Type-C (2.0 & 3.1)Type-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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Infrared-Yes
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NFCYesYes
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GPSYes, with dual-band 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 capacity5500 mAh9600 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes (50% in 12 min, 100% in 30 min)Yes, 33W
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Tests and performance
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Antutu842552 (v9)370000 (v9)
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Geekbench(single-core)1168 (v5.2)567 (v5.2)
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Geekbench(multi-core)3836 (v5.2)1857 (v5.2)
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Cost
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Price960 USD240 USD
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