Xiaomi Mix 4 vs Sony Ericsson W660i
| Type | Touch | Bar (classic) |
| Dimensions | 162.65 x 75.35 x 8.02 mm | 102.00 x 46.00 x 14.50 mm |
| Weight | 225.00 g | 93.00 g |
| Display size | 6.67" | 2.00" |
| Display | Color / AMOLED 1,07G colors 120 Hz 1080 x 2400 px (6.67") 395 ppi | Color / TFT 256k colors 176 x 220 px (2.00") |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 360 min. (6.0 h) 3G: 150 min. (2.5 h) | |
| Stand-by (max.) | 2G: 360 h. (15.0 days) 3G: 360 h. (15.0 days) | |
| Standard battery | Li-Po 4500 mAhBuy powerbank
| |
| Quick battery charging | Quick Charge 4.0 | |
| Wireless battery charging | ||
| Internal memory | 128 GB, 256 GB, 512 GB | 16 MB |
| RAM memory | 8 GB, 12 GB | |
| Memory cards | Memory Stick Micro (M2) up to 2 GBBuy memory card | |
| Operating system | Android 11 | - |
| Interface | MIUI 12.5 | - |
| Processor | Qualcomm Snapdragon 888+ | - |
| Processor clock | 3000 MHz | - |
| GPU | Adreno 660 | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 3Q 2021 | |
| Other names | - | W660; Faye |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 3500, 2600, 2500, 2300, 2100, 1900 | |
| Standard 5G | FDD 5G: 2100, 1800, 900, 850, 700 TDD 5G: 4700, 3700, 3500, 2300 | |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

