BQ Aquaris X vs vivo Y51
BQ Aquaris X
vivo Y51
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100TD-SCDMA
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 20(800)-
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HSPA speedHSPA-
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TD-SCDMA speed-TD-SCDMA
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LTE speedLTE-
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TD-LTE speed-TD-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-42015-12
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Status2017-62015-12
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Design
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM
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Height146.5 mm143.8 mm
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Width72.7 mm71.7 mm
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Thickness7.9 mm7.5 mm
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Weight153 g157 g
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ColorsMineral Black, Pearl RoseWhite
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Display
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Display typeLTPS IPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.2 inches5.0 inches
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Resolution1080 x 1920 pixels540 x 960 pixels
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Pixel density424 ppi220 ppi
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Display colors1677721616777216
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ProtectionDinorex glass-
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MultitouchYes, max 10 fingers-
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Hardware
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CPUOcta-core 2.2 GHz ARM Cortex-A53Quad-core 1.2 GHz
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ChipsetQualcomm MSM8953-Pro Snapdragon 626-
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GPUAdreno 506-
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Memory RAM3 GB2 GB
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Internal storage32 GB16 GB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max256 GB128 GB
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OS
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OSAndroid OS, v7.1.1 (Nougat)Android OS, v5.0.2 (Lollipop)
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Main camera
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Main camera16 MP, f/2.08 MP
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video2160p@30fps, 720p@120fps1080p@30fps
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Primary camera Autofocusphase detection autofocusautofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Camera features1.12 µm pixel size, 1/2.8" sensor size, Auto HDR, face/smile detection, geo-tagging, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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FlashLED flash-
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Selfie camera8 MP, f/2.05 MP
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Selfie camera video1080p@60fps-
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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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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
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.2Yes
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Bluetooth A2DPYes-
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bluetooth LEYes-
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Bluetooth AptXYes-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GALILEOYes-
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BDS-Yes
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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 IMIMIM
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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, 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 capacity3100 mAh2350 mAh
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Battery removableNon-removable-
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Fast battery chargingQuick Charge 3.0-
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Talk time--
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Standby time--