Vivo Y91i 1820 vs Sagem myW-8
| Type | Touch | Bar (classic) |
| Dimensions | 155.11 x 75.09 x 8.28 mm | 112.00 x 46.00 x 20.00 mm |
| Weight | 163.50 g | 119.00 g |
| Display size | 6.22" | 2.00" |
| Display | Color / IPS TFT 16M colors 720 x 1520 px (6.22") 270 ppi | Color / TFT 256k colors 176 x 220 px (2.00") |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 250 min. (4.2 h) | |
| Stand-by (max.) | 2G: 250 h. (10.4 days) | |
| Standard battery | Li-Ion 4030 mAhBuy powerbank
| Li-Ion 1100 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 16 GB, 32 GB | 6 MB |
| RAM memory | 2 GB, 3 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD |
| Operating system | Android 8.1 Oreo | - |
| Interface | Funtouch 4.5 | - |
| Processor | MediaTek Helio P22 MT6762 | - |
| Processor clock | 2000 MHz | - |
| GPU | PowerVR GE8320 @650 MHz | - |
| Touchscreen | ||
| SAR (10g) | 1,283 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Other names | Vivo 1820; Y91i India | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300 | |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

