Xiaomi Mi Max 2 vs vivo X21
Xiaomi Mi Max 2
vivo X21
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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 & TD-SCDMA
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3G networkHSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSPA speedHSPAHSPA
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LTE speedLTELTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-52018-3
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Status2017-62018
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Design
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Build-Front glass, aluminum body
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height174.1 mm154.5 mm
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Width88.7 mm74.8 mm
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Thickness7.6 mm7.4 mm
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Weight211 g156.2 g
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ColorsGoldAurora White, Black, Ruby Red
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.44 inches6.28 inches
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Resolution1080 x 1920 pixels1080 x 2280 pixels
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Pixel density342 ppi402 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 4-
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz ARM Cortex-A53Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.8 GHz Kryo 260
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ChipsetQualcomm MSM8953 Snapdragon 625Qualcomm SDM660 Snapdragon 660
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GPUAdreno 506Adreno 512
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Internal storage64, 128 GB64, 128 GB
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Memory RAM4 GB6 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max256 GB256 GB
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OS
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OSAndroid 7.1.1 (Nougat)Android 8.1 (Oreo)
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Main camera
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Camera type-Dual
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Main camera12 MP, f/2.212 MP, f/1.8 , 1/2.5" , 1.4 µm
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5 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video2160p@30fps, 720p@120fps1080p@30fps
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Primary camera Autofocusphase detection autofocusdual pixel phase detection autofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Camera features1.25 µm pixel size, 1/2.9" sensor size, HDR, face detection, geo-tagging, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera5 MP, f/2.012 MP, f/2.0
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Selfie camera resolution-4032 x 3024 pixels
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Selfie camera video-1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Earpiece-Yes
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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WLAN DLNAYes-
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYes-
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push Email-Push Email
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Messaging Push MailPush Mail-
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JavaNo-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityFingerprint (rear-mounted), accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity5300 mAh3200 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0Yes
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