ZTE Z557 vs VK Mobile 500
| Type | Touch | Clamshell |
| Dimensions | 145.50 x 72.00 x 9.30 mm | - |
| Weight | 150.00 g | |
| Display size | 5.00" | 1.80" |
| Display | Color / TFT 16M colors 480 x 854 px (5.00") 196 ppi | Color / TFT 64k colors 128 x 160 px (1.80") |
| Display protection | ||
| Additional display | Color / CSTN 64k colors 96 x 64 px | |
| Protection of the secondary display | ||
| Talk time (max.) | 3G: 1020 min. (17.0 h) | 2G: 100 min. (1.7 h) |
| Stand-by (max.) | 3G: 340 h. (14.2 days) | 2G: 120 h. (5.0 days) |
| Standard battery | Li-Ion 2200 mAhBuy powerbank
| Li-Ion 620 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 8 GB | 2 MB |
| RAM memory | 1 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 32 GBBuy memory card | |
| Operating system | Android 8.0 Oreo Go | - |
| Processor | Qualcomm Snapdragon 210 MSM8909 | - |
| Processor clock | 1100 MHz | - |
| GPU | Adreno 304 | - |
| Touchscreen | ||
| SAR (10g) | 0,58 W/kg | |
| DualSIM | ||
| SIM cards standard | SingleSIM(nanoSIM) | |
| Announced | 4Q 2018 | |
| Other names | - | - |
| GSM frequencies | 850 1900 | 900 1800 |
| UMTS | 850 1900 | |
| LTE standard | FDD LTE: 1900, 1700, 850, 700 | |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

