BLU F91 vs Ulefone Armor 23 Ultra
BLU F91
Ulefone Armor 23 Ultra
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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, 1700(AWS), 1900, 2100HSDPA 800, 850, 1900, 2100
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4G networkLTE frequency band 2, 4, 5, 12, 13, 17, 25, 26, 41, 66, 71LTE frequency band 1, 3, 5, 7, 8, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
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5G network5G band 2, 5, 25, 41, 66, 71, 77 SA/NSA/Sub65G band 1, 3, 5, 7, 8, 20, 28, 38, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTELTE
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GPRSNoYes
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EDGEYesYes
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Availability
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Oficially announced2022-042023-03
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Status2022-042023-03
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Design
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Build-Polycarbonate, TPU, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height168.7 mm-
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Width76.8 mm-
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Thickness8.9 mm-
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Weight209 g-
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Waterproof-IP68/IP69K
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlueBlack
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Display
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Display typeIPS LCDAMOLED
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Physical size6.8 inches6.67 inches
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Resolution1080 x 2460 pixels1080 x 2400 pixels
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Pixel density395 ppi395 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Single-core 2.99 GHz Cortex-X2
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.5 GHz Cortex-A710
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CPU(third)Quad-core 1.78 GHz Cortex-A510
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ChipsetMediaTek MT6833P Dimensity 810Qualcomm Snapdragon 8 Gen 1
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GPUMali-G57 MC2Adreno 730
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Memory RAM8 GB16 GB
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Internal storage128 GB1024 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 2.1
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OS
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OSAndroid 11Android 13
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Main camera
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Camera typeQuadTriple
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Main camera(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 30x digital zoom108 MP
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(ultrawide) , 5 MP, f/2.2 , 115˚(ultrawide) , 64 MP
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(macro) , 2 MP, f/2.4(periscope telephoto) , 64 MP
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(depth) , 2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels12000 x 9000 pixels
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Primary camera video4K@30fps, 1080p@30fps-
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Primary camera flashLED flashdual-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical 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 camera16 MP, f/2.016 MP
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera features-Face unlock, face detection
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual Band-Yes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.1v5.2
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Bluetooth A2DPYesYes
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bluetooth LELEYes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, compass, fingerprint, geomagnetic, gravity, gyroscope, light, pedometer, 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 mAh7000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 18WYes, 120W
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Reverse chargingYes-
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Fast wireless chargingYes, 10W-
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Tests and performance
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Antutu379387 (v9)463000 (v9)
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Geekbench(single-core)572 (v5.2)-
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Geekbench(multi-core)1670 (v5.2)-
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Cost
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Price220 USD500 USD