Oppo A1k vs vivo Z1
Oppo A1k
vivo Z1
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkWCDMA 850, 900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE Cat 4, 150.8 Mbps download, 51 Mbps upload-
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LTE-A speed-LTE-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 announced2019-42018-5
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Status2019-52018-6
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Design
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BuildPlastic bodyPlastic back
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SIMDual SIM (Nano-SIM, dual SIM stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height154.5 mm154.8 mm
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Width73.8 mm75.1 mm
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Thickness8.4 mm7.9 mm
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Weight170 g149.3 g
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ColorsBlack, RedBlack, Blue, Red
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.1 inches6.26 inches
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Resolution720 x 1560 pixels1080 x 2280 pixels
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Pixel density282 ppi403 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3-
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MultitouchYesYes
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2 GHz Cortex-A53Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.5 GHz Cortex-A53quad-core 1.8 GHz Kryo 260
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ChipsetMediatek Helio P22 (MT6762)Qualcomm SDM660 Snapdragon 660
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GPUPowerVR GE8320Adreno 512
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Internal storage32 GB64 GB
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Memory RAM2 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD(uses second SIM slot)
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Memory card max256 GB256 GB
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OS
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OSColorOS 6.0 (Android 9.0 Pie)Android 8.1 (Oreo)
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Main camera
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Camera typeSingleDual
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Main camera8 MP, f/2.2 , 1/3.2" , 1.4 µm13 MP
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2 MP
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Primary camera resolution3264 x 2448 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detectionGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera5 MP, f/2 , 1/5" , 1.12 µm24 MP, f/2.0
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Selfie camera resolution2560 x 1920 pixels4032 x 3024 pixels
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Selfie camera video720p@30fps1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYesYes
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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 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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Wi-Fi displayYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv4.2Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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BeidouYes-
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BDS-Yes
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging Push Email-Push Email
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SensorsAccelerometer, proximity, light, compass, fingerprintFingerprint (rear-mounted), accelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4000 mAh3260 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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