Oppo A31 vs vivo iQOO 9 (China)
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Oppo A31
vivo iQOO 9 (China)
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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 850, 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1(2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 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 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-ALTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-022022-01
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Status2020-022022-01
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Design
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BuildPlasticAluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.9 mm164.5 mm
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Width75.5 mm76.7 mm
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Thickness8.3 mm8.4 mm
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Weight180 g206 g
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ColorsBlack, WhiteBlack, Orange, White (BMW M branding)
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Display
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Display typeIPS capacitive touchscreenAMOLED
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Physical size6.5 inches6.78 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density270 ppi388 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant
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MultitouchYes-
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Display features-120Hz, HDR10, 1500 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Single-core 3.0 GHz Cortex-X2
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CPU(second)quad-core 1.8 GHz Cortex-A53Triple-core 2.50 GHz Cortex-A710
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CPU(third)Quad-core 1.80 GHz Cortex-A510
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ChipsetMediatek MT6765V/CB Helio P35Qualcomm SM8450 Snapdragon 8 Gen1
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GPUPowerVR GE8320Adreno 730
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Memory RAM4 GB8, 12 GB
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Internal storage128 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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StorageeMMC 5.1UFS 3.1
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android 12, Origin OS Ocean
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Main camera
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Camera typeTripleTriple
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Main camera12 MP, f/1.850 MP, f/1.8 , (wide) , 1/1.57" , 1.0 µm, 20x digital zoom
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2 MP, f/2.4 , 27 mm12 MP, f/2.0 , 47 mm, (telephoto) , 2x optical zoom
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2 MP, f/2.413 MP, f/2.2 , 120˚ , (ultrawide) , 16 mm
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Primary camera resolution4096 x 3072 pixels8160 x 6144 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashLED flashdual-LED dual-tone flash
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Camera featuresAutofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocusAutofocus, continuous autofocus, 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, macro-mode, phase detection autofocus, night mode
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP, f/2.016 MP, f/2.5 , (wide)
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1/5.0" , 1.75 µm
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera features-HDR
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Selfie camera video1080p@30fps1080p@30fps, gyro-EIS
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Sound
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3.5mm jackYesNo
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD, aptX Adaptive
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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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BDSYesYes
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QZSS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, light, proximityAccelerometer, 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-PoLi-Po
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Battery capacity4230 mAh4700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes, 120W(100% in 19 min)
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Wireless reverse charging-Yes, 10W
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Talk time 4G-14.1 h
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Cost
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Price200 USD630 USD
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Tests and performance
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Antutu-1025000 (v9)
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Geekbench(single-core)-1211 (v5.2)
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Geekbench(multi-core)-4198 (v5.2)
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