Realme U1 vs Samsung M400
| Type | Touch | Clamshell |
| Dimensions | 157.00 x 74.00 x 8.00 mm | 96.50 x 48.30 x 17.80 mm |
| Weight | 168.00 g | 104.90 g |
| Display size | 6.28" | 2.40" |
| Display | Color / IPS TFT 16M colors 1080 x 2340 px (6.28") 410 ppi | Color / TFT 256k colors 240 x 320 px (2.40") |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | Color / STN (1.04") | |
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 240 min. (4.0 h) | |
| Stand-by (max.) | 2G: 600 h. (25.0 days) | |
| Standard battery | Li-Ion 3500 mAhBuy powerbank
| Li-Ion 1000 mAhBuy powerbank
|
| Quick battery charging | VOOC | |
| Wireless battery charging | ||
| Phonebook memory | 500 places | |
| Internal memory | 32 GB, 64 GB | 256 MB |
| RAM memory | 3 GB, 4 GB | 128 MB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | |
| Operating system | Android 8.1 Oreo | - |
| Interface | ColorOS 5.2 | - |
| Processor | MediaTek Helio P70 MT6771T | Qualcomm QSC6155 |
| Processor clock | 2100 MHz | 480 MHz |
| GPU | ARM Mali-G72 MP3 | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 4Q 2018 | |
| Other names | - | SPH-M400 |
| GSM frequencies | 850 900 1800 1900 | |
| UMTS | 850 900 1700 1900 2100 | |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300 | |
| CDMA | 850 1900 CDMA2000 1xEV-DO | 850 1900 CDMA2000 1X |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

