DEXP B255 vs Oppo A15s
DEXP B255
Oppo A15s
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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 900, 2100HSDPA 850, 900, 2100
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4G network-LTE frequency band 1, 3, 5, 8, 38, 40, 41
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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-A, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-112020-12
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Status2018-112020-12
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Design
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BuildMetal, plasticGlass front, plastic back, plastic frame
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height147.8 mm164 mm
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Width71.5 mm75.4 mm
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Thickness8.8 mm7.9 mm
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Weight151 g177 g
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ColorsGreyBlack, White
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Display
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Display typeIPSIPS LCD
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Physical size5.5 inches6.52 inches
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Resolution640 x 1280 pixels720 x 1600 pixels
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Pixel density260 ppi269 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYes-
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Display features-480 nits (typ)
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.35 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetMediatek MT6580AMediatek MT6765 Helio P35
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GPUMali-400 MP2PowerVR GE8320
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Memory RAM1 GB4 GB
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Internal storage8 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 7.0 NougatAndroid 10, ColorOS 7.2
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Main camera
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Camera typeDualTriple
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Main camera8 MP13 MP, (wide) , f/2.2 , 1/3.1" , 1.12 µm
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0.3 MP2 MP, (macro) , f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashLEDLED 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, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, night mode
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Selfie camera
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Selfie camera type-Single
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Selfie camera2 MP8 MP, (wide) , f/2.0
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Selfie camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Selfie camera features-Face unlock
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Selfie camera video480p@30fps MP1080p@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
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Connectivity
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WLANWi-Fi 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 Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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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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Bluetooth AptX-Yes
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NFC-No
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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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SensorsAccelerometerAccelerometer, 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 capacity3000 mAh4230 mAh
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Battery removableNon-removableNon-removable
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Tests and performance
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Antutu-115000 (v8)
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Geekbench(single-core)-170 (v5.2)
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Geekbench(multi-core)-959 (v5.2)
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Cost
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Price-160 USD
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