LG K31 vs vivo X90
LG K31
vivo X90
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 2, 4, 5, 12, 13, 25, 26, 41, 66, 71LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTELTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082022-11
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Status2020-082022-11
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Design
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BuildPlasticGlass front, glass back or eco leather back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height147.8 mm164.1 mm
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Width71.1 mm74.4 mm
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Thickness8.6 mm8.5 mm
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Weight146 g196/200 g
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Waterproof-IP64
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Dust proof-IP64
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MIL-STD-810GYes-
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ColorsSilverBlack, Blue, Red
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Display
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Display typeIPS LCD capacitive touchscreenAMOLED
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Physical size5.7 inches6.78 inches
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Resolution720 x 1520 pixels1260 x 2800 pixels
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Pixel density295 ppi453 ppi
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Display colors167772161073741824
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Protection-Scratch resistant, 3D curved glass screen
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Display features-120Hz, HDR10+
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz Cortex-A53Single-core 3.05 GHz Cortex-X3
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CPU(second)Triple-core 2.85 GHz Cortex-A715
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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Chipset-MediaTek Dimensity 9200
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GPU-Arm Immortalis-G715
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Memory RAM2 GB8, 12 GB
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Internal storage32 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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StorageeMMC 5.1UFS 3.1, UFS 4.0
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OS
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OSAndroid 10.0 (LG UX 9.1)Android 13, Funtouch (global), Origin OS 3 (China)
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Main camera
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Camera typeDualTriple
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Main camera13 MP, f/1.8 , 27 mm, 1/3.1" , 1.12 µm50 MP, f/1.8 , 1/1.49" , 1.0 µm, (wide) , 10x digital zoom
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5 MP, f/2.2 , 1/5.0" , 1.12 µm12 MP, f/2.0 , 1/2.93" , 1.22 µm, (telephoto) , 50 mm, 2x optical zoom
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116˚ , (ultrawide) , 12 MP, f/2.0 , 16 mm, 1/2.93" , 1.22 µm
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Primary camera resolution4160 x 3120 pixels8190 x 6120 pixels
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Primary camera video1080p@30fps4K@30/60fps, 1080p@30/60fps, gyro-EIS
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Primary camera optics-Zeiss optics
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Primary camera flashLED flashdual-LED dual-tone flash
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Camera featuresAutofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera5 MP, f/2.2 , 24 mm, 1/5.0" , 1.12 µm32 MP, f/2.5 , 24 mm, 1/2.8" , 0.8 µm, (wide)
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Selfie camera resolution2560 x 1920 pixels6528 x 4896 pixels
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Selfie camera features-Face unlock
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Selfie camera video1080p@30fps4K@30fps, 1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioNoNo
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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, 802.11ac, 802.11ax
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v5.3
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD
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Infrared-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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GALILEO-Yes
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BDS-Yes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, fingerprintAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
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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 capacity3000 mAh4810 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes, 120W (50% in 8 min)
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Reverse charging-Yes
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Talk time 4G-17.5 h
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Cost
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Price150 USD500 USD
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Tests and performance
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Antutu-1250000 (v9)
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Geekbench(single-core)-1426 (v5.2)
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Geekbench(multi-core)-4438 (v5.2)
