BLU C4 vs Samsung Galaxy M31s
BLU C4
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, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
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HSDPA speed21 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE, Cat10, 452 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-82020-07
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Status2018-82020-08
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height124.3 mm159.3 mm
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Width64.2 mm74.4 mm
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Thickness10.9 mm9.3 mm
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Weight118 g203 g
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ColorsBlack, Blue, GoldBlack, Blue
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Display
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Display typeIPS capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4 inches6.5 inches
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Resolution400 x 800 pixels1080 x 2400 pixels
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Pixel density224 ppi405 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen2.5D curved glass screen, Corning Gorilla Glass 3
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.3 GHz Cortex-A73
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CPU(second)quad-core 1.7 GHz Cortex-A53
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ChipsetSpreadtrum SC7731EExynos 9611
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GPUMali-400 MP1Mali-G72 MP3
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Memory RAM512 MB6, 8 GB
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Internal storage8 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB512 GB
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Storage-UFS 2.1
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 10.0; One UI 2.0
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Main camera
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Camera type-Triple
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Main camera5 MP64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
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8 MP, f/2.2
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5 MP, f/2.4
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5 MP, f/2.4
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Primary camera resolution2592 x 1944 pixels9280 x 6944 pixels
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Primary camera video720p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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 camera5 MP32 MP, f/2.2 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution2560 x 1920 pixels6528 x 4896 pixels
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Selfie camera video480p@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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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 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 Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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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, light, 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 capacity1300 mAh6000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Yes
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Wireless reverse charging-Yes
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Talk time 2G18 h-
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Talk time 3G13 h-
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Talk time 4G-51 h
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Standby time 2G400 h-
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Standby time 3G450 h-
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Cost
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Price-270 USD
