BLU F91 vs Xiaomi Black Shark 4S
BLU F91
Xiaomi Black Shark 4S
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 1700(AWS), 1900, 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
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5G network5G band 2, 5, 25, 41, 66, 71, 77 SA/NSA/Sub65G band 1, 3, 8, 28, 41, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 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 speedLTELTE-A
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GPRSNoYes
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EDGEYesYes
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Availability
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Oficially announced2022-042021-10
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Status2022-042021-10
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Design
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Build-Aluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height168.7 mm163.7 mm
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Width76.8 mm76.2 mm
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Thickness8.9 mm9.9 mm
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Weight209 g210 g
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Build features-Physical pop-up gaming triggers
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ColorsBlueBlack, White
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Display
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Display typeIPS LCDSuper AMOLED
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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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Display features-Always-on display, 144Hz, HDR10+, 1300 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Single-core 3.2 GHz Kryo 585
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetMediaTek MT6833P Dimensity 810Qualcomm SM8250-AC Snapdragon 870 5G
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GPUMali-G57 MC2Adreno 650
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Memory RAM8 GB8, 12 GB
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Internal storage128 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 11Android 11, Joy UI 12.8
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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/1.8 , 1/2.0" , 0.8 µm
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(ultrawide) , 5 MP, f/2.2 , 115˚(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4(macro) , 5 MP, f/2.4
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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@30/60fps, 1080p@30/60/240fps, 1080p@960fps
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, continuous shooting, digital zoom, optical 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 camera16 MP, f/2.020 MP, f/2.0 , (wide) , 0.8 µm
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera features-HDR
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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, with stereo speakers
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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, 802.11ax
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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 2.0
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USB On-The-GoYes-
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Bluetoothv5.1v5.2
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Bluetooth A2DPYesYes
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bluetooth LELEYes
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Bluetooth AptX-aptX HD, aptX Adaptive
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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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QZSS-Yes
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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 capacity5000 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 18WQuick Charge, 120W (100% in 17 min)
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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)735000 (v9)
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Geekbench(single-core)572 (v5.2)1011 (v5.2)
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Geekbench(multi-core)1670 (v5.2)3326 (v5.2)
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Cost
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Price220 USD420 USD
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