Energizer E4 vs Plum Ram 9
Energizer E4
Plum Ram 9
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE
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GPRSYesYes
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EDGENoYes
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Availability
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Oficially announced2022-062020-02
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Status2022-082020-04
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height115 mm133.4 mm
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Width46 mm64.4 mm
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Thickness13.5 mm15.8 mm
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Weight65 g109 g
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Waterproof-IP68 (1.5m and 30 mins)
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Dust proof-IP68
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Flashlight-Yes
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ColorsBlack, Blue, Gold, Red, SilverBlack, Black/Orange
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Display
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Display typeTFTTFT
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Physical size1.77 inches2.4 inches
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Resolution128 x 160 pixels240 x 320 pixels
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Pixel density116 ppi167 ppi
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Display colors-262144
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Hardware
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CPU312 MHzDual-core
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ChipsetUnisoc SC6531DAMediatek MT6572M
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Memory RAM-512 MB
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Internal storage-4 GB
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Memory cardmicroSDHCmicroSD, microSDHC, microSDXC
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PhonebookYes-
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Call recordsYes-
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Main camera
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Camera typeSingleSingle
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Main camera5 MP
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Primary camera videoYes480p
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Primary camera flash-LED flash
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANNoWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSBmicroUSB 2.0
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Bluetoothv2.0v4.0
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NFCNoNo
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GPSNoYes, with A-GPS
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Features
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Messaging SMSYes-
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JavaNo-
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GamesNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1700 mAh
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Battery removableRemovableRemovable
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Cost
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Price10 USD-
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OS
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OS-KaiOS
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Selfie camera
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Selfie camera type-Single
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Selfie camera1.3 MP
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