Plum Optimax 8.0 vs Prestigio Grace B7
Plum Optimax 8.0
Prestigio Grace B7
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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, 1900, 2100HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE, 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 announced2016-32018-5
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Status2016-42018-5
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Design
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Build-Plastic, metal
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD))
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Height210.6 mm152.6 mm
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Width121.7 mm72.9 mm
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Thickness8.7 mm8.2 mm
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Weight305 g167 g
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ColorsBlack, WhiteBlue, Gold
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size8.0 inches5.7 inches
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Resolution800 x 1280 pixels720 x 1440 pixels
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Pixel density189 ppi282 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYes, max 5 fingersYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.3 GHz Cortex-A53
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ChipsetMediatek MT6580Mediatek MT6737
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GPUMali-400Mali-T720 MP1
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Memory RAM1 GB2 GB
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Internal storage8 GB16 GB
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Memory cardmicroSDmicroSD, microSDHC
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Memory card max32 GB-
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OS
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OSAndroid OS, v5.1 (Lollipop)Android OS, v7.0 Nougat
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Main camera
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Main camera5 MP13 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera flash-LED flash
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Camera featuresGeo-tagging, HDR, face detection, panoramaAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera2 MP5 MP
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Selfie camera resolution-2560 x 1920 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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NotificationsVibration; MP3, WAV ringtones-
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Multimedia
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Radio FMFM 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 DirectYes-
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USB2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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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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JavaNo-
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SensorsAccelerometer, gyro, proximityAccelerometer, fingerprint, light, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3400 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 2G24 h-
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Talk time 3G14 h-
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Standby time 2G875 h-
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Standby time 3G775 h-
