BLU Studio J8M LTE vs Plum Optimax 13
BLU Studio J8M LTE
Plum Optimax 13
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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 850, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700), 28(700)-
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HSDPA speed42.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-22018-12
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Status2018-22019-1
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM, dual stand-by)
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Height145 mm250.8 mm
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Width72 mm158.8 mm
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Thickness9.4 mm10.2 mm
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Weight140 g510 g
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ColorsBlack, GoldBlack, Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.0 inches10.1 inches
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Resolution720 x 1280 pixels800 x 1280 pixels
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Pixel density294 ppi149 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 GHzQuad-core 1.3 GHz Cortex-A7
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ChipsetMediatek MT6737Spreadtrum SC7731
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GPUMali-T720Mali-400
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Memory RAM2 GB1 GB
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Internal storage16 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid 7.0 (Nougat)Android 8.0 Oreo Go Edition
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, touch focus-
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Selfie camera
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FlashLED flash-
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Selfie camera5 MP2 MP
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video480p@30fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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EarpieceYes-
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Multimedia
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Radio-FM Radio
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Radio FMFM 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 DirectYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer
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Browser
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HTMLHTML5WAP
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2000 mAh4700 mAh
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Battery removable-Non-removable
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Talk time-3.5 h
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Talk time 2G24 h-
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Talk time 3G14 h-
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Standby time-72 h
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Standby time 2G600 h-
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Standby time 3G500 h-
