On this page we compare specs Vivo Z9 Qualcomm SDM675 Snapdragon 675 (11 nm) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | Vivo Z9 | Oppo A3s |
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Operating system | Android v9.0 (Pie) | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Qualcomm SDM675 Snapdragon 675 (11 nm) | Octa-core 1.8 GHz Cortex-A53 |
Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
RAM | 8 GB | |
GPU | | Adreno 506 |
Internal Storage | 256 GB | |
Internal memory | | 16 GB, 2 GB RAM |
Expandable memory | Yes, Upto 256 GB | |
External memory | | microSD, up to 256 GB (dedicated slot) |
Display | Vivo Z9 | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 6.53 inches | 6.2" inc |
Resolution | 1080 x 2340 Pixels | 720 x 1520 px |
Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
Screen-to-Body Ratio | | 81.2% |
Display area | | 95.9 cm2 |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | 395 ppi | 271 PPI |
Colors | | 16M |
Connectivity | Vivo Z9 | Oppo A3s |
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Network support | 4G , 3G, 2G | |
Dual SIM | Dual SIM, GSM GSM | |
SIM size | SIM1: Nano, SIM2: Nano | |
2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | | HSDPA 850 / 900 / 2100 |
USB connectivity | Mass storage device, USB charging | |
4G Network | | LTE |
Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
GPS | Yes, with A-GPS, Glonass | Yes, with A-GPS |
Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
USB | | microUSB 2.0, USB On-The-Go |
Camera | Vivo Z9 | Oppo A3s |
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Front camera resolution | 32 MP Primary Camera | |
Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
Flash | Yes, LED Flash | |
Autofocus | Yes | |
Video recording | Yes | |
Main camera | | 13 MP, Dual |
Specs | | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | | LED flash, HDR, panorama |
Video | | 1080p@30fps |
Selfie camera | | 8 MP, Single |
Multimedia | Vivo Z9 | Oppo A3s |
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Loudspeaker | Yes | |
3.5 mm Jack | | Yes |
Radio | | FM radio |
Design | Vivo Z9 | Oppo A3s |
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Colours | Glazed Black, Jade Blue | |
Colors | | Red, Dark Purple |
Dimensions | | 156.2 x 75.6 x 8.2 mm |
Weight | | 168 g |
Battery | Vivo Z9 | Oppo A3s |
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Capacity | 5000 mAh | |
Type | Lithium Polymer | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | Vivo Z9 | Oppo A3s |
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Fingerprint sensor | Yes | |
Fingerprint sensor position | Rear | |
Other sensors | Accelerometer, Gyro, Proximity, Compass | |
Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |