BLU F91 vs Fairphone 4
BLU F91
Fairphone 4
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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 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 2, 4, 5, 12, 13, 17, 25, 26, 41, 66, 71LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71
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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, 41, 71, 77, 78 SA/NSA/Sub6
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTELTE-A (4CA), Cat18, 1200 Mbps download, 150 Mbps upload
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5G speed-2.3 Gbps download
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GPRSNoYes
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EDGEYesYes
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Availability
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Oficially announced2022-042021-09
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Status2022-042021-09
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Design
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Build-Glass front (Gorilla Glass 5), plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height168.7 mm162 mm
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Width76.8 mm75.5 mm
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Thickness8.9 mm10.5 mm
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Weight209 g225 g
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Waterproof-IP54
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Dust proof-IP54
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MIL-STD-810G-Yes
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ColorsBlueGray, Green, Speckled Green
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.8 inches6.3 inches
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Resolution1080 x 2460 pixels1080 x 2340 pixels
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Pixel density395 ppi409 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, Corning Gorilla Glass 5
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Dual-core 2.2 GHz Kryo 570
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Hexa-core 1.8 GHz Kryo 570
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ChipsetMediaTek MT6833P Dimensity 810Qualcomm SM7225 Snapdragon 750G 5G
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GPUMali-G57 MC2Adreno 619
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Memory RAM8 GB6, 8 GB
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Internal storage128 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB2 TB
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OS
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OSAndroid 11Android 11
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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 zoom(wide) , 48 MP, f/1.6 , 1/2.0" , 0.8 µm, 8x digital zoom
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(ultrawide) , 5 MP, f/2.2 , 115˚(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm
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(macro) , 2 MP, f/2.4TOF 3D
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(depth) , 2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels8000 x 6000 pixels
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Primary camera video4K@30fps, 1080p@30fps4K@30fps, 1080p@30/60fps, gyro-EIS
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Primary camera flashLED flashdual-LED dual-tone flash
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Camera features-Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, scene-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/2.025 MP, f/2.2 , (wide) , 1/2.78" , 0.9 µm
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Selfie camera features-Digital image stabilization, face detection, face unlock, HDR
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Selfie camera video1080p@30fps1080p@30fps, gyro-EIS
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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 RadioNo
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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBType-C 2.0Type-C 3.0, DisplayPort
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USB On-The-GoYes-
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Bluetoothv5.1v5.1
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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, 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-Ion
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Battery capacity5000 mAh3905 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingYes, 18WQuick Charge, 20W (50% in 30 min)
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Reverse chargingYes-
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Fast wireless chargingYes, 10W-
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Talk time 3G-30 h
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Talk time 4G-13 h
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Standby time 4G-200 h
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Tests and performance
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Antutu379387 (v9)385000 (v9)
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Geekbench(single-core)572 (v5.2)642 (v5.4)
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Geekbench(multi-core)1670 (v5.2)1878 (v5.4)
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Cost
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Price220 USD670 USD
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SAR value
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SAR EU(head)-0.49 W/kg
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SAR EU(body)-0.99 W/kg
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