Siemens S4 vs Vivo X20 Plus
| Type | Bar (classic) | Touch |
| Dimensions | 150.00 x 46.00 x 34.00 mm | 165.32 x 80.09 x 7.45 mm |
| Weight | 235.00 g | 181.50 g |
| Display size | - | 6.43" |
| Display | Mono / STN 97 x 33 px | Color / Super AMOLED 16M colors 1080 x 2160 px (6.43") 376 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 240 min. (4.0 h) | |
| Stand-by (max.) | 2G: 50 h. (2.1 days) | |
| Standard battery | Li-Ion 1200 mAhBuy powerbank
| Li-Ion 3905 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Phonebook memory | 50 places | |
| Internal memory | 64 GB | |
| RAM memory | 4 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | |
| Operating system | - | Android 7.1.1 Nougat |
| Interface | - | Funtouch 3.2 |
| Processor | - | Qualcomm Snapdragon 660 |
| Processor clock | - | 2200 MHz |
| GPU | - | Adreno 512 |
| Touchscreen | ||
| DualSIM | ||
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | 4Q 1996 | 3Q 2017 |
| Other names | - | - |
| GSM frequencies | 900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 700 TDD LTE: 2600, 2500, 2300, 1900 | |
| CDMA | 850 | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

