vivo X9 vs Lava Z91
vivo X9
Lava Z91
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100; CDMA2000 1x & TD-SCDMAHSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)
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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 speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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LTE-A speedLTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-112018-3
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Status2016-112018-3
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Design
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Build-Plastic, metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height152.6 mm152 mm
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Width74 mm72.9 mm
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Thickness7 mm7.7 mm
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Weight154 g147 g
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ColorsGold, Rose GoldBlue
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches5.7 inches
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Resolution1080 x 1920 pixels720 x 1440 pixels
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Pixel density401 ppi282 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes, max 5 fingers
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Hardware
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CPUOcta-core 2.0 GHz ARM Cortex-A53Quad-core 1.3 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8953 Snapdragon 625Mediatek MT6739
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GPUAdreno 506PowerVR GE8100
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Memory RAM4 GB3 GB
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Internal storage64, 128 GB32 GB
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Memory cardmicroSD
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Memory card max-128 GB
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OS
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OSAndroid OS, v6.0.1 (Marshmallow)Android 7.1 (Nougat)
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Main camera
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Main camera16 MP, f/2.013 MP, f/2.0 , 1.12 µm
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusphase detection autofocusautofocus
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, face detection, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera typeDual-
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Selfie camera20 MP, f/2.0 , 1/2.8"8 MP, f/2.2
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8 MP
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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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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RadioNo-
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Radio FM-FM 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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USBmicroUSB 2.0microUSB 2.0
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USB hostYes-
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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GPSYes, with A-GPSYes, with A-GPS
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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 IM-IM
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsFingerprint (front-mounted), accelerometer, compass, proximityFingerprint (rear-mounted), accelerometer, proximity
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3050 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-