Lenovo i921 vs Oppo Reno 5Z
| Type | Touch | Touch |
| Dimensions | 103.30 x 50.80 x 21.70 mm | 160.10 x 73.40 x 7.80 mm |
| Weight | 124.00 g | 173.00 g |
| Display size | 2.20" | 6.43" |
| Display | Color / TFT 256k colors 240 x 320 px (2.20") 182 ppi | Color / AMOLED 16M colors 60 Hz 1080 x 2400 px (6.43") 409 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 150 min. (2.5 h) | 3G: 1320 min. (22.0 h) |
| Stand-by (max.) | 2G: 300 h. (12.5 days) | 2G: 330 h. (13.8 days) 3G: 330 h. (13.8 days) 4G: 330 h. (13.8 days) |
| Playback time (max.) | nd | Audio: 43 h (1.8 days) Video: 18 h (0.8 days) |
| Standard battery | Li-Ion 900 mAhBuy powerbank
| Li-Po 4310 mAhBuy powerbank
|
| Quick battery charging | VOOC 4.0 | |
| Wireless battery charging | ||
| Phonebook memory | 1000 places | |
| Internal memory | 30 MB | 128 GB |
| RAM memory | 8 GB | |
| Memory cards | miniSD | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | MS Windows Mobile 5.0 | Android 11 |
| Interface | - | ColorOS 11.1 |
| Processor | - | MediaTek Dimensity 800U |
| Processor clock | - | 2400 MHz |
| GPU | - | ARM Mali-G57 MC3 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | 1Q 2006 | 1Q 2021 |
| Other names | - | CPH2211; Reno5 Z |
| GSM frequencies | 900 1800 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | |
| Standard 5G | FDD 5G: 2600, 2100, 1800, 1700, 900, 850, 800, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 | |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

