Digma Optima 1022N 3G vs Energizer Energy E551S
Digma Optima 1022N 3G
Energizer Energy E551S
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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 900, 2100HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700)
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HSDPA speed-42.2 Mbps
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HSUPA speed-11.5 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesClass 12
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EDGEYesClass 12
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Availability
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Oficially announced2018-42019-2
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Status2018-42019-2
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height172 mm-
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Width244 mm-
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Thickness9.2 mm-
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Weight520 g-
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ColorsBlackBlack
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Display
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Display typeIPSTFT capacitive touchscreen
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Physical size10.1 inches5.5 inches
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Resolution1280 x 800 pixels480 x 854 pixels
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Pixel density149 ppi178 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.25 GHz Cortex-A53
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ChipsetMediatek MT8321Mediatek MT6737M
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GPUMali-400 MP2Mali-T720MP2
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Memory RAM1 GB1 GB
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Internal storage16 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-64 GB
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OS
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OSAndroid 7.0 NougatAndroid 8.0 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@30fps720p@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, 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 MP-
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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-FM Radio
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Radio FMFM 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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Bluetoothv4.0v4.0
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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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Features
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SensorsAccelerometerAccelerometer
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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 capacity5000 mAh2500 mAh
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Battery removableNon-removable-
