CAT S31 Dual SIM vs myPhone Hammer Energy
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP68 |
| Dimensions | 146.00 x 74.42 x 12.60 mm | 146.60 x 75.90 x 13.95 mm |
| Weight | 200.00 g | 201.00 g |
| Display size | 4.70" | 5.00" |
| Display | Color / IPS TFT 16M colors 720 x 1280 px (4.70") 312 ppi | Color / IPS TFT 16M colors 720 x 1280 px (5.00") 294 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: 1080 min. (18.0 h) | |
| Stand-by (max.) | 2G: 936 h. (39.0 days) | |
| Standard battery | Li-Ion 4000 mAhBuy powerbank
| Li-Po 5000 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 16 GB | 16 GB |
| RAM memory | 2 GB | 2 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Android 7.0 Nougat | Android 6.0 Marshmallow |
| Processor | Qualcomm Snapdragon 210 MSM8909 | MediaTek MT6737 |
| Processor clock | 1300 MHz | 1500 MHz |
| GPU | Adreno 304 | ARM Mali-T720 MP2 @650 MHz |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 3Q 2017 | 3Q 2016 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800 | FDD LTE: 2600, 2100, 1800, 900, 800 TDD LTE: 2300 |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

