Xiaomi Mi 4s vs Realme Watch S2
| Type | Touch | - |
| Waterproofness & dust-resistance | IP68 | |
| Dimensions | 139.26 x 70.76 x 7.80 mm | 46.50 x 46.50 x 11.00 mm |
| Weight | 133.00 g | 41.00 g |
| Display size | 5.00" | 1.43" |
| Display | Color / IPS TFT 16M colors 1080 x 1920 px (5.00") 441 ppi | Color / AMOLED 466 x 466 px (1.43") 326 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Standard battery | Li-Po 3260 mAhBuy powerbank
| Li-Ion 380 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 2.0 | |
| Wireless battery charging | ||
| Internal memory | 64 GB | 4 GB |
| RAM memory | 3 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | |
| Operating system | Android 6.0 Marshmallow | - |
| Interface | MIUI 7.0 | - |
| Processor | Qualcomm Snapdragon 808 8992 | - |
| GPU | Adreno 418 @600 MHz | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(microSIM, nanoSIM) | |
| Hybrid DualSIM | microSIM, microSD | nd |
| Announced | 1Q 2016 | 3Q 2024 |
| Other names | Mi4s | - |
| GSM frequencies | 850 900 1800 1900 | |
| UMTS | 850 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1800 TDD LTE: 2500, 2300, 1900 | |
| Standard 5G | ||
| CDMA | 850 1900 | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

