Plum Ram 9 vs Prestigio Grace 7781 4G
Plum Ram 9
Prestigio Grace 7781 4G
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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, 1900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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HSDPA speed21.1 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTELTE, Cat4, 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 announced2020-022018-11
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Status2020-042018-11
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Design
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Build-Plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height133.4 mm170 mm
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Width64.4 mm243 mm
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Thickness15.8 mm11 mm
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Weight109 g530 g
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WaterproofIP68 (1.5m and 30 mins)-
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Dust proofIP68-
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FlashlightYes-
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ColorsBlack, Black/OrangeBlack
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Display
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Display typeTFTIPS capacitive touchscreen
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Physical size2.4 inches10.1 inches
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Resolution240 x 320 pixels1920 x 1200 pixels
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Pixel density167 ppi224 ppi
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Display colors26214416777216
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Multitouch-Yes
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Hardware
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CPUDual-coreQuad-core 1.3 GHz Cortex-A53
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ChipsetMediatek MT6572MMediatek MT8735
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GPU-Mali-T720 MP2
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Memory RAM512 MB2 GB
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Internal storage4 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-64 GB
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OS
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OSKaiOSAndroid 8.1 Oreo
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Main camera
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Camera typeSingle-
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Main camera5 MP5 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video480p720p@30fps
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Primary camera flashLED flash-
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Camera features-Digital zoom, panorama, HDR, face detection, self-timer, scene-mode
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera1.3 MP2 MP
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Selfie camera resolution-1600 x 1200 pixels
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Selfie camera video-480p@30fps
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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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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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NFCNo-
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GPSYes, with A-GPSYes, with A-GPS
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1700 mAh4800 mAh
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Battery removableRemovableNon-removable
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Features
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Sensors-Accelerometer, proximity
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Browser
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HTML-HTML5
