Digma Citi 7591 3G vs ZTE Blade A31
Digma Citi 7591 3G
ZTE Blade A31
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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 850, 900, 2100
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4G network-LTE frequency band 1, 2, 3, 5, 7, 8, 20, 28, 38
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HSDPA speed-21.1 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, 301 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2019-82021-07
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Oficially announced2019-82021-07
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height108 mm140 mm
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Width189 mm71 mm
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Thickness11 mm8.9 mm
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Weight280 g166 g
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ColorsBlackBlue, Gray
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Display
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Display typeIPS capacitive touchscreenIPS LCD
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Physical size7 inches5.45 inches
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Resolution1280 x 800 pixels720 x 1440 pixels
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Pixel density216 ppi295 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.6 GHz Cortex-A55
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CPU(second)quad-core 1.2 GHz Cortex-A55
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ChipsetMediatek MT8321Unisoc SC9863A
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GPUMali-400 MP2IMG8322
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Memory RAM2 GB2 GB
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Internal storage32 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB128 GB
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OS
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OSAndroid 9.0 PieAndroid 11 Go Edition
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Main camera
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Camera typeSingleSingle
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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 flashLED flashLED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene modeHDR
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Selfie camera
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Selfie camera type-Single
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Selfie camera0.3 MP2 MP, f/2.8
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Selfie camera interpolated resolution-5 MP
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Selfie camera resolution640 x 480 pixels1920 x 1080 pixels
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Selfie camera video480p@30fps480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM 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 Hotspot-Yes
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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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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometerAccelerometer
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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 capacity2800 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Tests and performance
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Antutu-101300 (v8)
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Geekbench(single-core)-149 (v5.2)
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Geekbench(multi-core)-817 (v5.2)
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Cost
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Price-100 USD
