Digma Optima Prime 4 3G vs ZTE Blade Z Max
Digma Optima Prime 4 3G
ZTE Blade Z Max
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 850, 1700(AWS), 1900
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4G network-LTE frequency band 2(1900), 4(1700/2100), 5(850), 12(700), 66(1700/2100)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE-A speed-LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42017-8
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Status2018-42017
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Yes
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Height107.8 mm166.1 mm
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Width188 mm84.6 mm
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Thickness10 mm8.4 mm
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Weight270 g175 g
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ColorsBlackBlack
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Display
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Display typeTNIPS LCD capacitive touchscreen
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Physical size7 inches6.0 inches
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Resolution1024 x 600 pixels1080 x 1920 pixels
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Pixel density170 ppi367 ppi
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Display colors1677721616777216
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Protection-Asahi Dragontrail Glass
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.2 GHz Cortex-A7Octa-core 1.4 GHz Cortex-A53 ARM
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ChipsetSpreadtrum SC7731CQualcomm MSM8940 Snapdragon 435
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GPUMali-400 MP1Adreno 505
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Internal storage8 GB32 GB
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Memory RAM1 GB2 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB128 GB
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OS
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OSAndroid 7.0 NougatAndroid 7.1.1 (Nougat)
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Selfie camera
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Selfie camera0.31 MP8 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 ringtones
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EarpieceYes-
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Multimedia
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RadioFM RadioNo
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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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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Type-C reversible connector
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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SUPL-Yes
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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Java-No
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SensorsAccelerometerFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2200 mAh4080 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 2.0
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Talk time 3G-31 h
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Standby time 3G-528 h
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Main camera
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Camera type-Dual
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Main camera16 MP
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2 MP
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Primary camera video-1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
