The verdict
Your pick: LG K40, ahead on Design & display and Performance & hardware. Unless Battery & charging decides it for you.
| Category | K40S | K40 |
|---|---|---|
| Design & display | 4.8 | 5.3 |
| Performance & hardware | 2.4 | 2.9 |
| Camera | 4.3 | 4.6 |
| Connectivity | 4.6 | 4.6 |
| Battery & charging | 3.0 | 2.2 |
Which one is for you?
LG K40S, if you care about…
- Battery Capacity
- 3,500 mAh
- against 3,000 mAh
- Usable Surface
- 80.4 %
- against 76.2 %
- Display Diagonal
- 6.1″
- against 5.7″
- Display Vertical Resolution
- 1,520 px
- against 1,440 px
LG K40, if you care about…
- Weight
- 144 g
- against 186 g
- Body Thickness
- 8.3 mm
- against 8.6 mm
Specification comparison
Performance
| Specification | K40S | K40 |
|---|---|---|
| Processor Model | MediaTek Helio P22 | MediaTek Helio P22 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR GE8322 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 32 GB | 32 GB |
| AnTuTu Score | 76,500 | — |
| Geekbench 6 Single-Core | 233 | 233 |
| Geekbench 6 Multi-Core | 723 | 723 |
| CPU Description | Octa-core 2.0 GHz Cortex-A53 | Octa-core, 2.0 GHz Cortex-A53 |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 3 GB |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | — | 1.9531 TB |
Design
| Specification | K40S | K40 |
|---|---|---|
| Body Colors | Black, Blue | Black, Blue, Grey |
| Body Thickness | 8.6 mm | 8.3 mm Best value |
| Body Width | 73.9 mm | 71.9 mm |
| Body Height | 156.3 mm | 153 mm |
| Weight | 186 g | 144 g Best value |
| Usable Surface | 80.4 % Best value | 76.2 % |
| Body Materials | — | Glass, Plastic |
| Resistance Features | MIL-STD-810G | MIL-STD-810G |
Battery
| Specification | K40S | K40 |
|---|---|---|
| Battery Capacity | 3,500 mAh Best value | 3,000 mAh |
| Battery Type | Li-Polymer | Li-Ion |
| Battery Features | Battery Level Indicator, Rechargeable | Battery Level Indicator, Rechargeable, Non-Removable |
Display
| Specification | K40S | K40 |
|---|---|---|
| Display Aspect Ratio | 19:9 | 18:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.1″ Best value | 5.7″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,520 px Best value | 1,440 px |
| Display Pixel Density | 276 ppi | 282 ppi Best value |
| Display Features | IPS LCD, Touchscreen | Always-On Display, Touchscreen |
Sensors
| Specification | K40S | K40 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | K40S | K40 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | K40S | K40 |
|---|---|---|
| Operating System | Android 9 | Android 8.1 |
| OS Family | Android | Android |
| OS Version | 9 Best value | 8 |
Connectivity
| Specification | K40S | K40 |
|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual Nano-SIM | Single Nano-SIM, Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B5, 3G UMTS B8, 3G UMTS B2, 3G UMTS B1, 4G LTE B1, 4G LTE B3, 4G LTE B7, 4G LTE B8, 4G LTE B20 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B7, 4G LTE B8, 4G LTE B20 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, UMTS, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Direct, DLNA | Dual Band, Wi-Fi Direct, DLNA |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS | GPS, GLONASS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, DLNA, microUSB, USB OTG, USB Charging | 3.5 mm Audio Jack, NFC, microUSB, USB OTG, DLNA |
| USB Version | microUSB | USB 2.0 |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | K40S | K40 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | K40S | K40 |
|---|---|---|
| Model numbers | LMX430HM, LM-X430 | LMX420, LMX420EMW, LM-X420 |
