BLU F91 vs Samsung Galaxy M31s
BLU F91
Samsung Galaxy M31s
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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, 17, 20, 26, 28, 38, 40, 41, 66
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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, Cat10, 452 Mbps download, 102 Mbps upload
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GPRSNoYes
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EDGEYesYes
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Availability
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Oficially announced2022-042020-07
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Status2022-042020-08
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Design
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Build-Plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height168.7 mm159.3 mm
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Width76.8 mm74.4 mm
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Thickness8.9 mm9.3 mm
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Weight209 g203 g
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ColorsBlueBlack, Blue
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Display
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Display typeIPS LCDSuper AMOLED capacitive touchscreen
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Physical size6.8 inches6.5 inches
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Resolution1080 x 2460 pixels1080 x 2400 pixels
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Pixel density395 ppi405 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Corning Gorilla Glass 3
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.4 GHz Cortex-A76Quad-core 2.3 GHz Cortex-A73
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CPU(second)Hexa-core 2.0 GHz Cortex-A55quad-core 1.7 GHz Cortex-A53
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ChipsetMediaTek MT6833P Dimensity 810Exynos 9611
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GPUMali-G57 MC2Mali-G72 MP3
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Memory RAM8 GB6, 8 GB
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Internal storage128 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB512 GB
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Storage-UFS 2.1
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OS
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OSAndroid 11Android 10.0; One UI 2.0
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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 zoom64 MP, f/1.8 , 1/1.72" , 0.8 µm, 26 mm
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(ultrawide) , 5 MP, f/2.2 , 115˚8 MP, f/2.2
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(macro) , 2 MP, f/2.45 MP, f/2.4
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(depth) , 2 MP, f/2.45 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels9280 x 6944 pixels
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Primary camera video4K@30fps, 1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, continuous shooting, digital zoom, 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 typeSingle-
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Selfie camera16 MP, f/2.032 MP, f/2.2 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution-6528 x 4896 pixels
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Selfie camera video1080p@30fps4K@30fps, 1080p@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 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
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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 1.0 reversible connector
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USB On-The-GoYesYes
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Bluetoothv5.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LELEYes
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NFCYes-
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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-Po
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Battery capacity5000 mAh6000 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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Wireless reverse charging-Yes
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Fast wireless chargingYes, 10W-
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Talk time 4G-51 h
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Tests and performance
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Antutu379387 (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 USD270 USD