Oukitel WP21 Ultra vs Oukitel WP19
| Type | Touch | Touch | Touch | Touch |
| Waterproofness & dust-resistance | IP68, IP69K | IP68, IP69K | IP68, IP69K | IP68, IP69K |
| Dimensions | 177.30 x 84.30 x 14.80 mm | 178.10 x 84.00 x 29.00 mm | 175.40 x 84.00 x 27.20 mm | 175.90 x 83.30 x 18.35 mm |
| Weight | 398.00 g | 570.00 g | 577.50 g | 392.00 g |
| Display size | 6.78" | 6.78" | 6.60" | 6.72" |
| Display | Color / IPS TFT 16M colors 120 Hz 1080 x 2460 px (6.78") 396 ppi | Color / IPS TFT 16M colors 90 Hz 1080 x 2460 px (6.78") 396 ppi | Color / IPS TFT 16,7M colors 60 Hz 1080 x 2408 px (6.60") 400 ppi | Color / IPS TFT 16,7M colors 144 Hz 1080 x 2408 px (6.72") 393 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Panda Glass Buy screen protector
| ||
| Additional display | Color / IPS TFT 16,7M colors (1.85") | |||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 4110 min. (68.5 h) | 3G: 7320 min. (122.0 h) | 4G: 7200 min. (120.0 h) | 4G: 4560 min. (76.0 h) |
| Stand-by (max.) | 3G: 1150 h. (47.9 days) | 2G: 2252 h. (93.8 days) | 4G: 2600 h. (108.3 days) | 4G: 1251 h. (52.1 days) |
| Playback time (max.) | Audio: 35 h (1.5 days) Video: 12 h (0.5 days) | Audio: 123 h (5.1 days) Video: 36 h (1.5 days) | Audio: 80 h (3.3 days) Video: 30 h (1.3 days) | Audio: 42 h (1.8 days) Video: 17 h (0.7 days) |
| Standard battery | Li-Po 9800 mAhBuy powerbank
| Li-Ion 21000 mAhBuy powerbank
| Li-Ion 22000 mAhBuy powerbank
| Li-Ion 10200 mAhBuy powerbank
|
| Quick battery charging | USB Power Delivery | |||
| Wireless battery charging | ||||
| Internal memory | 256 GB | 256 GB | 256 GB | 256 GB, 512 GB |
| RAM memory | 12 GB | 8 GB | 8 GB | 12 GB, 16 GB, 24 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card |
| Operating system | Android 12 | Android 12 | Android 13 | Android 14 |
| Processor | MediaTek Helio G99 MT6789 | MediaTek Helio G95 MT6785 | MediaTek Dimensity 6100+ MT6835V/ZA | MediaTek Dimensity 8200 MT6896 |
| Processor clock | 2200 MHz | 2050 MHz | 2200 MHz | 3100 MHz |
| GPU | ARM Mali-G57 MC2 | ARM Mali-G76 MC4 @900 MHz | ARM Mali-G57 MC2 | ARM Mali-G610 MC6 |
| Touchscreen | ||||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | nanoSIM, microSD | nanoSIM, microSD | |
| Announced | 1Q 2023 | 2Q 2022 | 4Q 2023 | 4Q 2024 |
| Other names | - | - | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1900, 1700, 900, 850, 800, 800, 700, 600 TDD LTE: 2600, 2500, 2300, 2100, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| Standard 5G | FDD 5G: 2600, 2100, 1900, 1800, 900, 850, 800, 700 TDD 5G: 4700, 3700, 3500, 2600, 2500 | FDD 5G: 2600, 2100, 1900, 1800, 900, 850, 800, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 | ||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



