DEXP B255 vs Huawei Y7a
DEXP B255
Huawei Y7a
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1, 3, 5, 7, 8, 20, 28, 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, Cat6, 300 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 announced2018-112020-10
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Status2018-112020-10
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Design
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BuildMetal, plasticPlastic
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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 mm165.7 mm
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Width71.5 mm76.9 mm
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Thickness8.8 mm9.3 mm
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Weight151 g206 g
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ColorsGreyBlack, Green, Gold
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Display
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Display typeIPSIPS LCD
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Physical size5.5 inches6.67 inches
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Resolution640 x 1280 pixels1080 x 2400 pixels
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Pixel density260 ppi395 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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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.0 GHz Cortex-A73
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CPU(second)quad-core 1.7 GHz Cortex-A53
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ChipsetMediatek MT6580AKirin 710A
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GPUMali-400 MP2Mali-G51 MP4
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Memory RAM1 GB4 GB
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Internal storage8 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB512 GB
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OS
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OSAndroid 7.0 NougatAndroid 10, EMUI 10.1, no Google Play services
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Main camera
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Camera typeDualQuad
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Main camera8 MP48 MP, (wide) , f/1.8 , 26 mm, 1/2.0" , 0.8 µm
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0.3 MP8 MP, (ultrawide) , f/2.4 , 120˚ , 1/4.0" , 1.12 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps1080p@30/60fps
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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, 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, macro-mode, phase detection autofocus
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Selfie camera
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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, HDR
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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 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LE-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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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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Huawei Super Charge (46% in 30 min)
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Tests and performance
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Antutu-112000 (v8)
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Geekbench(single-core)-299 (v5)
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Geekbench(multi-core)-1315 (v5)
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Cost
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Price-190 USD
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