BLU G91s vs Oppo A77 4G
BLU G91s
Oppo A77 4G
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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(AWS), 1900, 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 12, 17, 28LTE frequency band 1, 3, 5, 8, 38, 40, 41
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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 speedLTE-A (2CA), Cat6, 300 Mbps download, 50 Mbps uploadLTE
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GPRSNoYes
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EDGEYesYes
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Availability
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Oficially announced2021-122022-08
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Status2021-122022-08
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Design
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Build-Glass front, plastic frame, plastic or leather back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height168 mm163.8 mm
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Width76.5 mm75.1 mm
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Thickness8.9 mm8 mm
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Weight202 g187/189 g
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Waterproof-IP54
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Dust proof-IP54
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ColorsBlue, Cyan, Gray, GreenBlue, Orange
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.8 inches6.56 inches
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Resolution1080 x 2460 pixels720 x 1612 pixels
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Pixel density395 ppi269 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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Display features-90Hz, 480 nits (typ), 600 nits (HBM)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.0 GHz Cortex-A75Quad-core 2.3 GHz Cortex-A53
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CPU(second)Hexa-core 1.8 GHz Cortex-A55quad-core 1.8 GHz Cortex-A53
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ChipsetMediatek MT6769V/CU Helio G80MediaTek MT6765G Helio G35
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GPUMali-G52 MC2PowerVR GE8320
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Memory RAM4 GB4 GB
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Internal storage128 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB64 GB
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Storage-UFS 2.2
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OS
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OSAndroid 11Android 12, ColorOS 12.1
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Main camera
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Camera typeQuadDual
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Main camera(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 30x digital zoom(wide) , 50 MP, f/1.8 , 81˚
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(ultrawide) , 5 MP, f/2.2(depth) , 2 MP, f/2.4 , 89˚
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(depth) , 2 MP, f/2.4
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresHDR, Panorama-
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Selfie camera
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Selfie camera type-Single
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Selfie camera13 MP, f/2.02 MP, f/2.4 , (wide)
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Selfie camera features-Panorama
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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 802.11a, 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 LELEYes
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Bluetooth AptX-aptX HD
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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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QZSS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, 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 capacity6000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge, 18WSuperVOOC, 33W (100% in 69 min)
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Cost
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Price230 USD200 USD
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