Energizer E282SC vs Panasonic KX-TU446
| Type | Clamshell | Clamshell | Clamshell | Clamshell |
| Waterproofness & dust-resistance | IP54 | |||
| Dimensions | 108.50 x 58.00 x 18.50 mm | 106.00 x 53.00 x 23.00 mm | 107.30 x 55.60 x 19.85 mm | 113.80 x 56.70 x 20.60 mm |
| Weight | 129.00 g | 110.00 g | 133.00 g | 130.00 g |
| Display size | 2.80" | 2.40" | 2.80" | 3.25" |
| Display | Color / TFT 256k colors 240 x 320 px (2.80") 143 ppi | Color / TFT 64k colors 240 x 320 px (2.40") 167 ppi | Color / TFT 240 x 320 px (2.80") 143 ppi | Color / TFT 480 x 854 px (3.25") 301 ppi |
| Display protection | ||||
| Additional display | Color / TFT 128 x 128 px (1.44") | Color / TFT 240 x 240 px (1.54") | ||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 960 min. (16.0 h) | 2G: 300 min. (5.0 h) | 2G: 660 min. (11.0 h) | 4G: 450 min. (7.5 h) |
| Stand-by (max.) | 4G: 150 h. (6.3 days) | 2G: 600 h. (25.0 days) | 2G: 382 h. (15.9 days) | 4G: 200 h. (8.3 days) |
| Standard battery | Li-Ion 1400 mAhBuy powerbank
| Li-Ion 1000 mAhBuy powerbank
| Li-Ion 1850 mAhBuy powerbank
| Li-Ion 1400 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Phonebook memory | 200 places | |||
| Internal memory | 4 GB | 4 GB | 8 GB | |
| RAM memory | 512 MB | 512 MB | 1 GB | |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 64 GBBuy memory card |
| Operating system | KaiOS | - | KaiOS 3.0 | Android 11 Go |
| Processor | MediaTek MT6731 | - | Qualcomm 215 | MediaTek MT6739 |
| Processor clock | 1100 MHz | - | 1300 MHz | 1500 MHz |
| GPU | PowerVR GE8100 | - | Adreno 308 | PowerVR GE8100 @570 MHz |
| Touchscreen | ||||
| SAR (10g) | 1,729 W/kg | 1,767 W/kg | 1,58 W/kg | |
| DualSIM | ||||
| SIM cards standard | DualSIM(microSIM, microSIM) | SingleSIM(nanoSIM) | ||
| DualSIM mode | dual standby | nd | nd | nd |
| Hybrid DualSIM | nd | nd | nd | |
| Other names | - | KXTU446EX1; KXTU446EXB; KXTU446EXG; KXTU446EXR | 4056W | TOUCHsmart.2; V188.2 |
| GSM frequencies | 850 900 1800 1900 | 900 1800 | 850 900 1800 1900 | 900 1800 |
| UMTS | 850 900 2100 | 850 1700 1900 2100 | 900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 1900, 850 TDD LTE: 2500 | FDD LTE: 2600, 2100, 1800, 900, 800 | |
| Standard 5G | ||||
| CDMA | 850 1900 | |||
| Standard TD-SCDMA | ||||
| UMA |



