Vivo Y21s vs Huawei P Smart Z
| Type | Touch | Touch |
| Dimensions | 164.26 x 76.08 x 8.00 mm | 163.50 x 77.30 x 8.80 mm |
| Weight | 182.00 g | 196.80 g |
| Display size | 6.51" | 6.59" |
| Display | Color / IPS TFT 16M colors 60 Hz 720 x 1600 px (6.51") 270 ppi | Color / LTPS TFT 16M colors 1080 x 2340 px (6.59") 391 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 3G: 1680 min. (28.0 h) | |
| Stand-by (max.) | 2G: 773 h. (32.2 days) 3G: 740 h. (30.8 days) 4G: 711 h. (29.6 days) | |
| Standard battery | Li-Ion 5000 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | Quick Charge | |
| Wireless battery charging | ||
| Internal memory | 128 GB | 64 GB |
| RAM memory | 4 GB | 4 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | Android 11 | Android 9.0 Pie |
| Interface | Funtouch 11.1 | EMUI 9.0.1 |
| Processor | MediaTek Helio G80 MT6769T | HiSilicon Kirin 710 |
| Processor clock | 2000 MHz | 2200 MHz |
| GPU | ARM Mali-G52 MC2 | ARM Mali G51 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 3Q 2021 | 2Q 2019 |
| Other names | Y21s 2021 | STK-LX1 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2300 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

