Plum Optimax 8.0 vs Yezz Classic C21
Plum Optimax 8.0
Yezz Classic C21
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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, 2100-
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2016-32014-3
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Status2016-42014-4
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height210.6 mm106 mm
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Width121.7 mm45 mm
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Thickness8.7 mm14.5 mm
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Weight305 g73 g
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ColorsBlack, WhiteBlack, Blue, Gray, Green, Purple, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT
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Physical size8.0 inches1.8 inches
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Resolution800 x 1280 pixels128 x 160 pixels
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Pixel density189 ppi114 ppi
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Display colors1677721666560
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MultitouchYes, max 5 fingers-
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetMediatek MT6580-
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GPUMali-400-
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Memory RAM1 GB-
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Internal storage8 GB64 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)-
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Main camera
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Main camera5 MP
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Primary camera resolution-640 x 480 pixels
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Primary camera video720p@30fpsno
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Camera featuresGeo-tagging, HDR, face detection, panorama-
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USB2.0Yes
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Bluetoothv4.0v2.1
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, gyro, proximity-
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Browser
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HTMLYes-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3400 mAh600 mAh
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Battery removableNon-removable-
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Talk time-4 h
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Talk time 2G24 h-
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Talk time 3G14 h-
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Standby time-150 h
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Standby time 2G875 h-
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Standby time 3G775 h-
