Oppo A31 vs Xiaomi Mix Fold 2
Oppo A31
Xiaomi Mix Fold 2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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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, 42
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5G network-5G band 1, 3, 5, 8, 20, 28, 38, 40, 41, 77, 78, 79 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 (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-022022-08
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Status2020-022022-08
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Design
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BuildPlasticGlass, aluminium 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 mm161.1 mm
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Width75.5 mm73.9 mm
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Thickness8.3 mm11.2 mm
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Height unfolded-161.1 mm
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Width unfolded-144.7 mm
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Thickness unfolded-5.4 mm
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Weight180 g262 g
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ColorsBlack, WhiteBlack, Gold
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Display
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Display typeIPS capacitive touchscreenFoldable LTPO2 OLED
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Physical size6.5 inches8.02 inches
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Resolution720 x 1600 pixels1914 x 2160 pixels
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Pixel density270 ppi360 ppi
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Display colors167772161073741824
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ProtectionScratch resistantSchott UTG glass, Corning Gorilla Glass Victus
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MultitouchYes-
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Display features-120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)
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Cover display-AMOLED
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Cover display physical size-6.56 inches
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Cover display resolution-1080 x 2520 pixels
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Cover display features-120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 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 3.19 GHz Cortex-X2
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CPU(second)quad-core 1.8 GHz Cortex-A53Triple-core 2.75 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 SM8475 Snapdragon 8+ Gen 1
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GPUPowerVR GE8320Adreno 730
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Memory RAM4 GB12 GB
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Internal storage128 GB256, 512, 1024 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, MIUI Fold 13
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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) , 1/1.56" , 1.0 µm
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2 MP, f/2.4 , 27 mm8 MP, f/2.6 , 45 mm, (telephoto) , 2x optical zoom
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2 MP, f/2.413 MP, f/2.4 , 123 , (ultrawide) , 15 mm, 1.12 µm
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Primary camera resolution4096 x 3072 pixels8190 x 6120 pixels
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Primary camera video1080p@30fps8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
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Primary camera flashLED flashdual LED 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, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, Dolby Vision, Leica Native Dual Quality, super night 2.0
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP, f/2.020 MP, f/2.4 , (wide) , 27 mm, 1/3.4" , 0.8 µm
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1/5.0" , 1.75 µm
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Selfie camera resolution3264 x 2448 pixels5184 x 3880 pixels
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Selfie camera features-Face unlock, HDR, Dolby Vision
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Selfie camera video1080p@30fps1080p@30/60fps, 720p@120fps
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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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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
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USB On-The-GoYes-
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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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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BDSYesYes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, light, proximityAccelerometer, barometer, compass, color spectrum, 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 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 4+, 67W (100% in 40 min)
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Cost
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Price200 USD1650 USD
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Tests and performance
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Antutu-1150000 (v9)
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Geekbench(single-core)-1279 (v5.2)
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Geekbench(multi-core)-4299 (v5.2)