The verdict
Neither runs away with it: each wins something.
| Category | K42 | W31 |
|---|---|---|
| Design & display | 5.1 | 5.0 |
| Performance & hardware | 2.6 | 2.5 |
| Camera | 3.8 | 5.6 |
| Connectivity | 4.7 | 3.7 |
| Battery & charging | 3.5 | 3.5 |
Which one is for you?
LG K42, if you care about…
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.2
- RAM Type
- DDR4
- against LPDDR3
- Max. download speed
- 300 Mbps
- against 42.2 Mbps
- Max. upload speed
- 150 Mbps
- against 5.76 Mbps
LG W31, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Maximum Storage Capacity
- 128 GB
- against 64 GB
- Weight
- 173.6 g
- against 182 g
Specification comparison
Performance
| Specification | K42 | W31 |
|---|---|---|
| Processor Model | MediaTek Helio P22 | MediaTek Helio P22 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR GE8320 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 64 GB | 128 GB Best value |
| AnTuTu Score | 94,000 Best value | 93,500 |
| Geekbench 6 Single-Core | 233 | 233 |
| Geekbench 6 Multi-Core | 723 | 723 |
| CPU Description | Octa-core CPU with four Cortex-A53 cores at 2.0 GHz and four Cortex-A53 cores at 1.5 GHz. | 4x Cortex-A53 at 2.0 GHz + 4x Cortex-A53 at 1.5 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 4 GB Best value |
| RAM Type | DDR4 Best value | LPDDR3 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | v8 |
Design
| Specification | K42 | W31 |
|---|---|---|
| Body Colors | Grey, Green | Blue |
| Body Thickness | 8.4 mm | 8.4 mm |
| Body Width | 76.7 mm | 76.3 mm |
| Body Height | 165 mm | 166.2 mm |
| Weight | 182 g | 173.6 g Best value |
| Usable Surface | 83.1 % Best value | 80.9 % |
| Body Materials | Plastic | Plastic |
| Resistance Features | MIL-STD-810G, Water Resistant | — |
Battery
| Specification | K42 | W31 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator | Non-Removable, Rechargeable, Battery Level Indicator |
Display
| Specification | K42 | W31 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.6″ Best value | 6.52″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px | 1,600 px |
| Display Pixel Density | 266 ppi | 269 ppi Best value |
| Display Features | IPS LCD, Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless | IPS LCD, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless, Touchscreen |
Sensors
| Specification | K42 | W31 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Rear |
Sensor
| Specification | K42 | W31 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Light Sensor |
Software
| Specification | K42 | W31 |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| Google Services | Yes | Yes |
Connectivity
| Specification | K42 | W31 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Wi-Fi Direct, Wi-Fi Hotspot | Wi-Fi Hotspot, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 Best value | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, Computer Sync, Infrared, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG |
| USB Version | USB 2.0 | microUSB |
| SAR American Head | 0.78 W/kg Best value | 0.82 W/kg |
| SAR American Body | 1.29 W/kg | 0.316 W/kg Best value |
| Max. download speed | 300 Mbps Best value | 42.2 Mbps |
| Max. upload speed | 150 Mbps Best value | 5.76 Mbps |
Audio
| Specification | K42 | W31 |
|---|---|---|
| Microphone Count | 2 Best value | 1 |
| Audio Features | DTS, DTS:X, A2DP, LE, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | K42 | W31 |
|---|---|---|
| Model numbers | LMK420, LM-K420, LMK420H, LM-K420H, LMK420E, LM-K420E, LMK420Y, LM-K420Y | LMK315IM, LM-K315, LM-K315IM |
