BLU S91 vs Samsung Galaxy M51
BLU S91
Samsung Galaxy M51
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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, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 28, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
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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, (2CA) Cat6, 400 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-062020-08
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Status2022-062020-09
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Design
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Build-Glass front (Gorilla Glass 3), 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 mm163.9 mm
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Width76.3 mm76.3 mm
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Thickness8.9 mm9.5 mm
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Weight202 g213 g
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ColorsBlack, GreenBlack, Blue
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Display
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Display typeIPS LCDSuper AMOLED Plus
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Physical size6.5 inches6.7 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density270 ppi393 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 2.2 GHz Kryo 470 Gold
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CPU(second)quad-core 1.5 GHz Cortex-A53Hexa-core 1.8 GHz Kryo 470 Silver
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Chipset-Qualcomm SDM730 Snapdragon 730G
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GPU-Adreno 618
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Memory RAM4 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, One UI 2.5
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Main camera
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Camera typeTripleQuad
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Main camera(wide) , 13 MP(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm
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(macro) , 0.3 MP, f/2.4(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm
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(depth) , 0.3 MP, f/2.4(macro) , 5 MP, f/2.4
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(depth) , 5 MP, f/2.4 , 1.12 µm
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Primary camera resolution-9280 x 6944 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@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 camera13 MP32 MP, (wide) , f/2.0 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution-6560 x 4928 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 802.11a, 802.11b, 802.11g, 802.11nWi-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 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCNoYes
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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 mAh7000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes (100% in 115 min)
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Reverse charging-Yes
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DxOMark autonomy-96
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DxOMark charging-61
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DxOMark efficiency-87
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DxOMark battery score-88
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Cost
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Price180 USD440 USD
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Tests and performance
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Antutu-275000 (v8)
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Geekbench(single-core)-1592 (v5.2)
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Geekbench(multi-core)-4211 (v5.2)
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SAR value
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SAR(head)-1.38 W/kg
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SAR EU(head)-0.61 W/kg
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SAR EU(body)-1.45 W/kg
