Oppo A9 vs Vivo S1
Quick Comparison
Both Oppo A9 and Vivo S1 comes with same RAM. Both have the same amount of internal memory.
| Name | Oppo A9 | Vivo S1 |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.53 in | 6.38 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 4020 mAh | 4500 mAh |
| Camera | 16 MP + 2 MP Dual | 16 MP + 8 MP + 2 MP Triple |
| Price | Rs. 12490 | Rs. 15700 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April, 2019. The cost of Oppo A9 is Rs. 12490. The launch Date of the second phone is August 7, 2019. The cost of Vivo S1 is Rs. 15700.
Display comparison
Vivo S1 has screen size of 6.38 inches which falls short to Oppo A9's 6.53 inch screen. Oppo A9 has Screen type where as Vivo S1 has Super AMOLED Screen type. Vivo's phone has display density of 404 PPI & OPPO's phone has only 396 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 85.3% than Vivo's phone ~ 83.3%. Both phones have same aspect ratio of 19.5:9.
Memory comparison
Both mobiles come with 4 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Oppo A9 has 16 MP + 2 MP Dual Rear Camera in comparison to Vivo S1's 16 MP + 8 MP + 2 MP Triple Rear Camera. Vivo S1 will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Oppo A9's 16 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version v9.0 and the second one on 9.0 version.
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Full Comparison
| Name | Oppo A9 | Vivo S1 |
| General | ||
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | April, 2019 | August 7, 2019 |
| Design | ||
| Dimensions | 76.1 x 162 x 8.3 mm | 75.2 x 159.5 x 8.1 mm |
| Weight | 190 g | 179 g |
| Display | ||
| Type | Color LTPS IPS LCD (16M Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.53 inches, 1080 x 2340 pixels | 6.38 inches, 1080 x 2340 pixels |
| Aspect Ratio | 19.5:9 | 19.5:9 |
| PPI | ~ 396 PPI | ~ 404 PPI |
| Screen to Body Ratio | ~ 85.3% | ~ 83.3% |
| Features | Full HD+, Always-on display | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage | 128 GB | 128 GB |
| Card Slot | No | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0 |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go | USB on-the-go |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Rear | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Proximity, Compass, Gyroscope, Ambient Light Sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 16 MP (Main) 2 MP f/2.4 (Depth Sensor) with autofocus | 16 MP f/1.8 (Wide Angle) 8 MP f/2.2 (Ultra Wide) 2 MP f/2.4 (Depth Sensor) with autofocus |
| Features | HDR, Panorama | HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP | 32 MP f/2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v9.0 (Pie) |
| Chipset | Mediatek Helio P70 | Mediatek Helio P65 |
| CPU | 2.1 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53 | 2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55 |
| GPU | Mali-G72 MP3 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4020 mAh, Li-Po Battery | 4500 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Dual-Engine Fast Charging | |