Oppo A91 vs Xiaomi Mi Mix Fold
Oppo A91
Xiaomi Mi Mix Fold
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 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, 28, 41, 77, 78, 79 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed11.5 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 announced2019-122021-03
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Status2019-122021-04
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Design
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BuildAluminium alloy, glassGlass front (folded), plastic front (unfolded), glass back (Gorilla Glass 5) or ceramic back, aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160.2 mm173.3 mm
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Width73.3 mm69.8 mm
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Thickness7.9 mm9 mm
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Height unfolded-173.3 mm
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Width unfolded-133.4 mm
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Thickness unfolded-17.2 mm
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Weight172 g317 (glass) / 332 (ceramic) g
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ColorsDark blue, Blue, RedBlack, Ceramic
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Display
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Display typeAMOLED capacitive touchscreenFoldable AMOLED
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Physical size6.4 inches8.01 inches
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Resolution1080 x 2400 pixels1860 x 2480 pixels
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Pixel density411 ppi387 ppi
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Display colors167772161073741824
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ProtectionScratch resistantScratch resistant
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MultitouchYes-
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Display features-HDR10+, Dolby Vision, 600 nits (typ), 900 nits (peak)
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Cover display-AMOLED
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Cover display physical size-6.52 inches
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Cover display resolution-840 x 2520 pixels
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Cover display features-90Hz, HDR10+, Dolby Vision, 650 nits (typ), 900 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.1 GHz Cortex-A73Single-core 2.84 GHz Kryo 680
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CPU(second)quad-core 2.0 GHz Cortex-A53Triple-core 2.42 GHz Kryo 680
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetMediatek MT6771V Helio P70Qualcomm SM8350 Snapdragon 888 5G
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GPUMali-G72 MP3Adreno 660
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Memory RAM8 GB12, 16 GB
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Internal storage128 GB256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 3.1
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android 10, MIUI 12
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Main camera
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Camera typeQuadTriple
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Main camera48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm108 MP, f/1.8 , 80 mm, 1/1.52" , 0.7 µm, (wide)
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8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm8 MP, (telephoto/macro) , 3x optical zoom
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2 MP, f/2.4 , 1/5" , 1.75 µm13 MP, f/2.4 , 1.12 µm, 123 , (ultrawide)
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution8000 x 6000 pixels-
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Primary camera video2160p@30fps8K@24/30fps, 4K@30/60fps, 1080p@30/60fps, 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, laser autofocus, stagger HDR, AI 2.0, night mode 2.0
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Selfie camera
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Selfie camera type-Single
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Selfie camera16 MP, f/2 , 26 mm, 1/3.1" , 1.0 µm20 MP, f/2.4 , 27 mm, 1/3.4" , 0.8 µm, (wide) , 80˚
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Selfie camera resolution4608 x 3456 pixels5184 x 3880 pixels
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Selfie camera features-Face unlock, HDR, panorama
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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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USBType-C 1.0 reversible connectorType-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 dual-band A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BeidouYes-
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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, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity4025 mAh5020 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC Flash Charge 4.0 (50% in 30 min)Quick Charge 4+ (100% in 37 min)
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Cost
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Price290 USD1560 USD
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Tests and performance
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Antutu-815000 (v8)
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Geekbench(single-core)-1138 (v5.2)
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Geekbench(multi-core)-3787 (v5.2)