Xiaomi Mi 9 Pro vs VK Mobile 550
| Type | Touch | Clamshell |
| Dimensions | 157.21 x 74.64 x 8.54 mm | 79.50 x 42.50 x 21.50 mm |
| Weight | 196.00 g | 81.30 g |
| Display size | 6.39" | 1.80" |
| Display | Color / AMOLED 16M colors 1080 x 2340 px (6.39") 403 ppi | Color / TFT 64k colors 128 x 160 px (1.80") |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | Color / CSTN 64k colors 96 x 64 px | |
| Protection of the secondary display | ||
| Standard battery | Li-Po 4000 mAhBuy powerbank
| Li-Ion 620 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 4+ | |
| Wireless battery charging | PMA & Qi | |
| Internal memory | 128 GB, 256 GB, 512 GB | |
| RAM memory | 8 GB, 12 GB | |
| Memory cards | ||
| Operating system | Android 9.0 Pie | - |
| Interface | MIUI 11 | - |
| Processor | Qualcomm Snapdragon 855+ | - |
| Processor clock | 2960 MHz | - |
| GPU | Adreno 640 @672 MHz | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 3Q 2019 | 1Q 2004 |
| Other names | Mi 9 Pro 5G | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 |
| UMTS | 850 900 1700 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 700 TDD LTE: 2600, 2500, 2300, 2100, 1900 | |
| Standard 5G | TDD 5G: 4700, 3500, 2300 | |
| CDMA | ||
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

