LG K40S vs LG K50
| Type | Touch | Touch |
| Dimensions | 156.30 x 73.90 x 8.60 mm | 161.30 x 77.00 x 8.70 mm |
| Weight | 186.00 g | 172.00 g |
| Display size | 6.08" | 6.26" |
| Display | Color / IPS TFT 16M colors 720 x 1560 px (6.08") 283 ppi | Color / IPS TFT 16M colors 720 x 1520 px (6.26") 269 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 1350 min. (22.5 h) 3G: 960 min. (16.0 h) 4G: 822 min. (13.7 h) | |
| Stand-by (max.) | 2G: 450 h. (18.8 days) 3G: 432 h. (18.0 days) 4G: 450 h. (18.8 days) | |
| Standard battery | Li-Ion 3500 mAhBuy powerbank
| Li-Po 3500 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 32 GB | 32 GB |
| End-user memory | 17 GB | 17 GB |
| RAM memory | 2 GB, 3 GB | 3 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Android 9.0 Pie | Android 9.0 Pie |
| Processor | MediaTek Helio P22 MT6762 | MediaTek Helio P22 MT6762 |
| Processor clock | 2000 MHz | 2000 MHz |
| GPU | PowerVR GE8320 @650 MHz | PowerVR GE8320 @650 MHz |
| Touchscreen | ||
| SAR (10g) | 1,529 W/kg | |
| DualSIM | ||
| SIM cards standard | SingleSIM(nanoSIM) | SingleSIM(nanoSIM) |
| Announced | 3Q 2019 | 1Q 2019 |
| Other names | LMX430HM | LM-X520HM |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800, 700 TDD LTE: 2600 | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800, 700 |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

