DEXP BS650 vs Plum Optimax 7.0
DEXP BS650
Plum Optimax 7.0
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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, 1900, 2100
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HSDPA speed21 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-102016-3
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Status2018-102016-4
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM
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Height140 mm188 mm
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Width67.3 mm108 mm
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Thickness9.9 mm10 mm
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Weight-276 g
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ColorsBlack, VioletBlack, White
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Display
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Display typeTNIPS LCD capacitive touchscreen
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Physical size5 inches7.0 inches
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Resolution480 x 960 pixels600 x 1024 pixels
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Pixel density215 ppi170 ppi
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Display colors1677721616777216
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MultitouchYesYes, max 5 fingers
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A7 ARM
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ChipsetSpreadtrum SC7731EMediatek MT8321
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GPUMali-400 MP1Mali-400
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Memory RAM1 GB1 GB
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Internal storage8 GB8 GB
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Memory cardmicroSD, microSDHCmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid 8.1 OreoAndroid OS, v5.1 (Lollipop)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels-
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Primary camera video720p@30fps720p@30fps
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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 modeGeo-tagging, HDR, face detection, panorama
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Selfie camera
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Selfie camera2 MP2 MP
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Selfie camera resolution1600 x 1200 pixels-
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Selfie camera video480p@30fps MP-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-FM 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 2.02.0
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Bluetoothv4.2v4.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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Java-No
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SensorsAccelerometer, light, proximityAccelerometer
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity2500 mAh2800 mAh
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Battery removableRemovableNon-removable
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Talk time 2G5 h21 h
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Talk time 3G5 h12 h
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Standby time 2G210 h800 h
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Standby time 3G210 h650 h