Digma Optima 1025N 4G vs Lava Z61
Digma Optima 1025N 4G
Lava Z61
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, 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 announced2018-42018-7
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Status2018-42018-7
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Design
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BuildPlasticPlastic, metal
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SIMDual SIM (Micro-SIM)Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height172 mm146.5 mm
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Width244 mm70.2 mm
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Thickness9.2 mm8.7 mm
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Weight520 g139 g
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ColorsBlack, WhiteBlack, Gold
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size10.1 inches5.45 inches
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Resolution1280 x 800 pixels720 x 1440 pixels
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Pixel density149 ppi295 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Corning Gorilla Glass
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.0 GHz ARM Cortex-A53Quad-core 1.3 GHz Cortex-A53
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ChipsetMediaTek MT8735VMediaTek MT6739WW
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GPUMali-T720 MP2PowerVR GE8100
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Memory RAM2 GB1, 2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB32 GB
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OS
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OSAndroid 7.0 NougatAndroid 8.1 Oreo Go Edition
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLEDLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, scene modeAutofocus, 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 camera0.31 MP5 MP
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Selfie camera resolution640 x 480 pixels2560 x 1920 pixels
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Selfie camera video480p@30fps MP480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Earpiece-Yes
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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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometerAccelerometer, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity5000 mAh3000 mAh
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Battery removableNon-removableRemovable