BLU S91 vs Samsung Galaxy M21
BLU S91
Samsung Galaxy M21
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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, 900, 1700, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 28, 66LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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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 speed-LTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-062020-03
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Status2022-062020-03
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Design
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Build-Glass front, 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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Height164.8 mm159 mm
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Width76.3 mm75.1 mm
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Thickness8.9 mm8.9 mm
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Weight202 g188 g
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ColorsBlack, GreenBlack, Blue
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Display
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Display typeIPS LCDSuper AMOLED capacitive touchscreen
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Physical size6.5 inches6.4 inches
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Resolution720 x 1600 pixels1080 x 2340 pixels
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Pixel density270 ppi403 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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Multitouch-Yes
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Display features-420 nits max brightness
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 2.3 GHz Cortex-A73
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CPU(second)quad-core 1.5 GHz Cortex-A53quad-core 1.7 GHz Cortex-A53
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Chipset-Exynos 9611
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GPU-Mali-G72 MP3
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Memory RAM4 GB4, 6 GB
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Internal storage128 GB64, 128 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 11One UI 2 (Android 10.0)
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 13 MP48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm
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(macro) , 0.3 MP, f/2.48 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm
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(depth) , 0.3 MP, f/2.45 MP, f/2.2
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@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 camera13 MP20 MP, f/2.0 , 26 mm
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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 with RDS
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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USBType-C 2.0Type-C 1.0 reversible connector
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USB On-The-GoYes-
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCNo-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-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 charging-Yes
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Cost
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Price180 USD180 USD
