Vivo S1 vs Huawei Y9a
| Type | Touch | Touch |
| Dimensions | 161.97 x 75.93 x 8.54 mm | 163.50 x 76.50 x 8.95 mm |
| Weight | 189.50 g | 197.00 g |
| Display size | 6.53" | 6.63" |
| Display | Color / IPS TFT 16M colors 1080 x 2340 px (6.53") 395 ppi | Color / IPS TFT 16M colors 90 Hz 1080 x 2400 px (6.63") 397 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Standard battery | Li-Ion 3940 mAhBuy powerbank
| Li-Ion 4300 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | SuperCharge |
| Wireless battery charging | ||
| Internal memory | 128 GB | 128 GB |
| RAM memory | 6 GB | 6 GB, 8 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | Nano Memory (NM card) up to 256 GBBuy memory card |
| Operating system | Android 9.0 Pie | Android 10 |
| Interface | Funtouch 9 | EMUI 10.1 |
| Processor | MediaTek Helio P70 MT6771T | MediaTek Helio G80 MT6769T |
| Processor clock | 2100 MHz | 2000 MHz |
| GPU | ARM Mali-G72 MP3 | ARM Mali-G52 MC2 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | dual standby |
| Announced | 1Q 2019 | 3Q 2020 |
| Other names | V1831A; V1831T | Nova Y9a; FRL-L22; FRL-L23 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 19002100, 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

