Energizer Hardcase H550S vs Unihertz Atom
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | |
| Dimensions | 158.80 x 80.70 x 11.10 mm | 96.60 x 45.00 x 18.80 mm |
| Weight | 203.00 g | 108.00 g |
| Display size | 5.50" | 2.45" |
| Display | Color / IPS TFT 16M colors 1080 x 1920 px (5.50") 401 ppi | Color / TFT 16M colors 60 Hz 240 x 432 px (2.45") 202 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.) | 2G: 1560 min. (26.0 h) 3G: 600 min. (10.0 h) | |
| Stand-by (max.) | 2G: 400 h. (16.7 days) 3G: 400 h. (16.7 days) | |
| Standard battery | Li-Ion 4000 mAhBuy powerbank
| Li-Ion 2000 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | |
| Wireless battery charging | ||
| Internal memory | 32 GB | 64 GB |
| RAM memory | 3 GB | 4 GB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | |
| Operating system | Android 7.0 Nougat | Android 8.1 Oreo |
| Processor | MediaTek MT6750 | MediaTek Helio P23 MT6763 |
| Processor clock | 1500 MHz | 2000 MHz |
| GPU | ARM Mali-T860 MP2 @520 MHz | ARM Mali-G71 MP2 @700 MHz |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | ||
| Announced | 4Q 2017 | 4Q 2018 |
| Other names | Hard Case H550S | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 2100, 1900 |
| Standard 5G | ||
| CDMA | 850 1900 | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

