Sigma Mobile X-style Tab A83 vs Xiaomi Poco C31
Sigma Mobile X-style Tab A83
Xiaomi Poco C31
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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, 3, 5, 8, 40, 41
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-A, 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 announced2019-12021-09
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Status2019-12021-10
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Design
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BuildPlastic, metalPlastic
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SIMMicro-SIMDual SIM (Nano-SIM, dual stand-by)
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Height123 mm164.9 mm
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Width207 mm77.1 mm
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Thickness9 mm9 mm
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Weight360 g194 g
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ColorsBlack, GrayBlue, Gray
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Display
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Display typeIPS capacitive touchscreenIPS LCD
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Physical size8 inches6.53 inches
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Resolution1280 x 800 pixels720 x 1600 pixels
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Pixel density189 ppi269 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Panda glass
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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 2.3 GHz Cortex-A53
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CPU(second)quad-core 1.8 GHz Cortex-A53
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ChipsetMediatek MT8321MediaTek Helio G35
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GPUMali-400 MP2PowerVR GE8320
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Memory RAM2 GB3, 4 GB
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Internal storage16 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.1 OreoAndroid 10, MIUI 12
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Main camera
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Camera typeSingleTriple
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Main camera5 MP13 MP, (wide) , f/2.2 , 1.0 µm
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(macro) , 2 MP, f/2.4 , 1.0 µm
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(depth) , 2 MP, f/2.4 , 1.0 µm
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Primary camera resolution2592 x 1944 pixels4160 x 3120 pixels
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Primary camera video720p@30fps1080p@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-modeAutofocus, continuous shooting, digital zoom, digital image stabilization, 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 camera type-Single
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Selfie camera2 MP5 MP, (wide) , f/2.2 , 1.12 µm
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Selfie camera resolution1600 x 1200 pixels2560 x 1920 pixels
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Selfie camera features-Face detection, face unlock
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Selfie camera video480p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, proximity, lightAccelerometer, fingerprint, 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 capacity4000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-No
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Tests and performance
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Antutu-109054 (v8)
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Geekbench(single-core)-175 (v5.2)
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Geekbench(multi-core)-682 (v5.2)
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SAR value
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SAR(head)-0.51 W/kg
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SAR(body)-0.83 W/kg
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Cost
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Price-100 USD
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