Ulefone Armor 2 vs Ulefone Armor 21
| Type | Touch | Touch | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP68, IP69K | IP68, IP69K | IP68, IP69K |
| Dimensions | 159.00 x 78.30 x 14.50 mm | 176.00 x 81.60 x 18.10 mm | 181.20 x 87.00 x 27.50 mm | 173.40 x 83.35 x 25.30 mm |
| Weight | 270.00 g | 400.00 g | 647.00 g | 406.00 g |
| Display size | 5.00" | 6.58" | 6.78" | 5.93" |
| Display | Color / TFT 16M colors 1080 x 1920 px (5.00") 441 ppi | Color / IPS TFT 16M colors 120 Hz 1080 x 2408 px (6.58") 401 ppi | Color / IPS TFT 16M colors 120 Hz 1080 x 2460 px (6.78") 396 ppi | Color / IPS TFT 16,7M colors 720 x 1440 px (5.93") 271 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| ||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 3G: 2340 min. (39.0 h) | 4G: 100 min. (1.7 h) | 2G: 3120 min. (52.0 h) | |
| Stand-by (max.) | 2G: 640 h. (26.7 days) | 3G: 522 h. (21.8 days) | 4G: 1300 h. (54.2 days) | 3G: 528 h. (22.0 days) |
| Playback time (max.) | nd | Audio: 30 h (1.3 days) Video: 15 h (0.6 days) | nd | Audio: 63 h (2.6 days) Video: 23 h (1.0 days) |
| Standard battery | Li-Po 4700 mAhBuy powerbank
| Li-Po 9600 mAhBuy powerbank
| Li-Po 22000 mAhBuy powerbank
| Li-Po 9600 mAhBuy powerbank
|
| Quick battery charging | Pump Express 2.0 | |||
| Wireless battery charging | ||||
| Internal memory | 64 GB | 256 GB | 256 GB | 128 GB |
| RAM memory | 6 GB | 8 GB | 12 GB | 8 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | Android 7.0 Nougat | Android 13 | Android 13 | Android 13 |
| Processor | MediaTek Helio P25 MT6757CD | MediaTek Helio G99 MT6789 | MediaTek Helio G96 MT6781 | Unisoc Tiger T616 UMS9230T T7255 |
| Processor clock | 2600 MHz | 2200 MHz | 2050 MHz | 2000 MHz |
| GPU | ARM Mali-T880 MP2 @900 MHz | ARM Mali-G57 MC2 | ARM Mali-G57 MC2 | ARM Mali-G57 @750 MHz |
| 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 | ||||
| Announced | 1Q 2017 | 2Q 2023 | 4Q 2023 | 1Q 2024 |
| Other names | - | - | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 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 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 |
| Standard 5G | ||||
| CDMA | CDMA2000 1xEV-DO | |||
| Standard TD-SCDMA | 1900 2000 | |||
| UMA |



