Vertex Impress Vira vs Xiaomi Redmi K20
Vertex Impress Vira
Xiaomi Redmi K20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900, CDMA 800
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 18(800)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, 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 announced2018-112019-5
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Status2018-112019-6
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Design
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BuildPlasticAluminium alloy, glass
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SIMDual SIM(Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height148 mm156.7 mm
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Width70 mm74.3 mm
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Thickness10.5 mm8.8 mm
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Weight186 g191 g
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ColorsBlackBlack, Blue, Red
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Display
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Display typeIPSSuper AMOLED capacitive touchscreen
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Physical size5.5 inches6.39 inches
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Resolution640 x 1280 pixels1080 x 2340 pixels
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Pixel density260 ppi403 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6
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MultitouchYesYes
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Display features-HDR 10, Always-On display
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.5 GHz Cortex-A53Dual-core 2.2 GHz Kryo 470
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CPU(second)Hexa-core 1.8 GHz Kryo 470
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ChipsetMediaTek MT6739WWQualcomm Snapdragon 730
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GPUPowerVR GE8100Adreno 618
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Memory RAM2 GB6, 8 GB
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Internal storage16 GB64, 128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max128 GB-
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Storage-UFS 2.1
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OS
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OSAndroid 8.1 OreoMIUI V10.2 (Android 9.0 Pie)
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Main camera
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Camera typeDualTriple
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Main camera8 MP48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom
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0.3 MP8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
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13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
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Primary camera resolution3264 x 2448 pixels8000 x 6000 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@960fps
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Primary camera flashLED flashdual LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene modeAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, RAW, phase detection
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Selfie camera
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Selfie camera5 MP20 MP, f/2.2 , 18 mm
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Selfie camera resolution2560 x 1920 pixels5184 x 3880 pixels
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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
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EarpieceYesYes
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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, 802.11n, 802.11n 5GHzWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0Type-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Beidou-Yes
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Features
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SensorsAccelerometer, light, proximityAccelerometer, proximity, light, compass, in-display fingerprint, gyroscope, barometer, hall, step detector, step counter
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3300 mAh4000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Qualcomm Quick Charge 4+
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