BLU F91 vs ZTE Blade A51
BLU F91
ZTE Blade A51
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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, 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, 28, 38, 40, 41
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5G network5G band 2, 5, 25, 41, 66, 71, 77 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, Cat6, 301 Mbps download, 51 Mbps upload
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GPRSNoYes
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EDGEYesYes
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Availability
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Oficially announced2022-042021-05
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Status2022-042021-05
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Design
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Build-Polycarbonate
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height168.7 mm166.5 mm
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Width76.8 mm75.6 mm
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Thickness8.9 mm8.5 mm
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Weight209 g173 g
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ColorsBlueBlue, Gray
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.8 inches6.52 inches
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Resolution1080 x 2460 pixels720 x 1600 pixels
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Pixel density395 ppi269 ppi
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Display colors1677721616777216
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Quad-core 1.6 GHz Cortex-A55
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CPU(second)Hexa-core 2.0 GHz Cortex-A55quad-core 1.2 GHz Cortex-A55
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ChipsetMediaTek MT6833P Dimensity 810Unisoc SC9863A
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GPUMali-G57 MC2IMG8322
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Memory RAM8 GB2 GB
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Internal storage128 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB512 GB
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OS
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OSAndroid 11Android 11 Go Edition
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Main camera
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Camera typeQuadDual
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Main camera(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 30x digital zoom13 MP
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(ultrawide) , 5 MP, f/2.2 , 115˚2 MP
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels4160 x 3120 pixels
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Primary camera video4K@30fps, 1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera features-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, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera16 MP, f/2.05 MP, f/2.0 , 1.0 µm
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Selfie camera resolution-2560 x 1920 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 jackYesYes
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.1v4.2
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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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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, fingerprint, 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 mAh3200 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 18WYes
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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)101300 (v8)
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Geekbench(single-core)572 (v5.2)147 (v5.2)
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Geekbench(multi-core)1670 (v5.2)808 (v5.2)
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Cost
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Price220 USD90 USD
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