Realme 15T vs Honor X20
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP66, IP68, IP69 | |
| Dimensions | 158.36 x 75.19 x 7.79 mm | 161.80 x 74.70 x 8.50 mm |
| Weight | 181.00 g | 192.00 g |
| Display size | 6.57" | 6.67" |
| Display | Color / AMOLED 1,07G colors 120 Hz 1080 x 2372 px (6.57") 397 ppi | Color / IPS TFT 16M colors 120 Hz 1080 x 2376 px (6.67") 391 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Standard battery | Li-Po 7000 mAhBuy powerbank
| Li-Po 4300 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 128 GB, 256 GB | 128 GB, 256 GB |
| RAM memory | 8 GB, 12 GB | 6 GB, 8 GB |
| Memory cards | microSD, microSDHC, microSDXC | |
| Operating system | Android 15 | Android 11 |
| Interface | realme UI 6.0 | Magic UI 4.2 |
| Processor | MediaTek Dimensity 6400 | MediaTek Dimensity 900 MT6877 |
| Processor clock | 2500 MHz | 2400 MHz |
| GPU | ARM Mali-G57 MC2 | ARM Mali-G68 MC4 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 3Q 2025 | 3Q 2021 |
| Other names | RMX5111; RMX5112 | NTN-AN20 |
| GSM frequencies | 850 900 1800 | 850 900 1800 1900 |
| UMTS | 850 900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850, 700 TDD LTE: 2500, 2300 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300, 1900 |
| Standard 5G | FDD 5G: 2100, 1800, 900, 850, 700 TDD 5G: 3700, 3500, 2500, 2300 | FDD 5G: 2100, 1800 TDD 5G: 4700, 3700, 3500, 2600, 2500, 1900, 1800 |
| CDMA | 850 | |
| Standard TD-SCDMA | ||
| UMA |

