BLU S91 vs Oppo A78
BLU S91
Oppo A78
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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 800, 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, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
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5G network-5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
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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 announced2022-062023-01
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Status2022-062023-01
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Design
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Build-Plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.8 mm163.8 mm
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Width76.3 mm75.1 mm
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Thickness8.9 mm8 mm
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Weight202 g188 g
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Waterproof-IP54
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Dust proof-IP54
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ColorsBlack, GreenBlack, Purple
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.5 inches6.56 inches
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Resolution720 x 1600 pixels720 x 1612 pixels
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Pixel density270 ppi269 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Panda glass
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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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CPUQuad-core 2.0 GHz Cortex-A53Dual-core 2.2 GHz Cortex-A76
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CPU(second)quad-core 1.5 GHz Cortex-A53Hexa-core 2.0 GHz Cortex-A55
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Chipset-MediaTek MT6833 Dimensity 700
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GPU-Mali-G57 MC2
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Memory RAM4 GB8 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 GB1 TB
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Storage-UFS 2.2
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OS
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OSAndroid 11Android 12, ColorOS 13
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 13 MP(wide) , 50 MP, f/1.8 , 77˚ , 27 mm
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(macro) , 0.3 MP, f/2.4(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
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(depth) , 0.3 MP, f/2.4
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Primary camera resolution-8190 x 6120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, 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 camera type-Single
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Selfie camera13 MP8 MP, (wide) , f/2.0 , 77˚ , 27 mm, 1/4" , 1.12 µm
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera features-Face unlock, HDR
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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 HotspotYes-
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WLAN WiFi DirectYes-
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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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Bluetoothv5.0v5.3
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-Yes
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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 capacity5000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-SuperVOOC, 33W (53% in 30 min, 100% in 67 min)
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Talk time 4G-22.9 h
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Cost
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Price180 USD250 USD
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Tests and performance
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Antutu-324000 (v9)
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Geekbench(single-core)-575 (v5.2)
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Geekbench(multi-core)-1785 (v5.2)
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