Digma Optima Prime 4 3G vs Yezz Classic C23A
Digma Optima Prime 4 3G
Yezz Classic C23A
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2018-42015-11
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Status2018-42016-2
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height107.8 mm112 mm
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Width188 mm48.5 mm
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Thickness10 mm12.6 mm
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Weight270 g81 g
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ColorsBlackBlack, Blue, Fushsia, Gold, Green, Red, Silver, White
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Display
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Display typeTNTFT
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Physical size7 inches1.8 inches
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Resolution1024 x 600 pixels128 x 160 pixels
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Pixel density170 ppi114 ppi
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Display colors16777216262144
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MultitouchYes-
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7
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ChipsetSpreadtrum SC7731C-
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GPUMali-400 MP1-
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Memory RAM1 GB4 MB
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Internal storage8 GB4 MB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB8 GB
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OS
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OSAndroid 7.0 Nougat-
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Selfie camera
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Secondary camera-No
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Selfie camera0.31 MP
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@30fps MP-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration, MP3, WAV
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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS
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WAP-WAP 2.0
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Java-No
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SensorsAccelerometer-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2200 mAh600 mAh
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Battery removableNon-removableRemovable
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Talk time-4 h
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Standby time-200 h
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Main camera
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Primary camera-VGA
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Primary camera video-video
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Camera features-No
