Comparison of Vivo X21i and Oppo A3
The comparison of the Vivo X21i and Oppo A3 smartphones’ specifications. This comparison table helps to choose the most fitting smartphone.
 Vivo X21i |
 Oppo A3 |
| Release date | |
|---|---|
| 2018 | 2018 |
| Price | |
| Body | |
| Weight | |
| 5.5 oz | 5.57 oz |
| Dimensions | |
| 6.08 x 2.94 x 0.29 inch | 6.14 x 2.96 x 0.31 inch |
| Colors | |
| black | black, red, silver |
| SIM type | |
| Nano SIM | Nano SIM |
| System | |
| OS version | |
| Android OS v8.1 (Oreo) | Android OS v8.1 (Oreo) |
| SoC | |
| Mediatek Helio P60 MT6771 | Mediatek Helio P60 MT6771 |
| CPU | |
| Octa-core, Quad-core 2 GHz Cortex-A73, Quad-core 2 GHz Cortex-A53 | Octa-core, Quad-core 2 GHz Cortex-A73, Quad-core 2 GHz Cortex-A53 |
| GPU | |
| Mali-G72 MP3 | Mali-G72 MP3 |
| Performance | |
| Display | |
| Display type | |
| Super AMOLED | IPS |
| Screen size | |
| 6.28 inch | 6.2 inch |
| Resolution | |
| 1080 x 2280 px | 1080 x 2280 px |
| Multitouch support | |
| yes | yes |
| Refresh rate | |
| Brightness | |
| Memory | |
| RAM | |
| 6 GB | 4 GB |
| Internal storage | |
| 64 GB | 128 GB |
| Memory card slot | |
| microSD | microSD |
| Camera | |
| Main camera | |
| 12 + 5 MP, 4032 x 3024 px, autofocus, optical image stabilization | 16 MP, 4608 x 3456 px, autofocus |
| Flash | |
| LED | LED |
| Selfie camera | |
| 12 MP | 8 MP |
| Connectivity | |
| GSM 2G bands | |
| 850 / 900 / 1800 / 1900 | 850 / 900 / 1800 / 1900 |
| Network coverage | |
| 2G / 3G / 4G | 2G / 3G / 4G |
| Wi-Fi | |
| Wi-Fi 802.11 a/b/g/n/ac | Wi-Fi 802.11 a/b/g/n/ac |
| Bluetooth | |
| v5.0, A2DP | v4.2, A2DP |
| GPS | |
| A-GPS, GLONASS | A-GPS, GLONASS |
| NFC | |
| no | no |
| FM radio | |
| no | no |
| USB | |
| microUSB 2.0 | microUSB 2.0 |
| Headphone | |
| 3.5 mm jack | 3.5 mm jack |
| Battery | |
| Type | |
| Li-Po 3200 mAh, non-removable | Li-Po 3300 mAh, non-removable |
| Charger | |
| Features | |
| Sensors | |
| accelerometer, compass, fingerprint, gyroscope, light, proximity | accelerometer, compass, fingerprint, light, proximity |
| Specials | |
| Dual SIM, Fast charging, Funtouch OS | ColorOS, Dual SIM, Fast charging |
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