The verdict
Neither runs away with it: each wins something.
| Category | K31 | Q31 |
|---|---|---|
| Design & display | 5.4 | 5.2 |
| Performance & hardware | 1.9 | 2.4 |
| Camera | 4.3 | 4.3 |
| Connectivity | 4.0 | 2.2 |
| Battery & charging | 2.2 | 2.2 |
Which one is for you?
LG K31, if you care about…
- SIM Configurations
- Dual Nano-SIM, Single Nano-SIM
- against Single Nano-SIM
LG Q31, if you care about…
- RAM Capacity
- 3 GB
- against 2 GB
- RAM Type
- DDR4
- against LPDDR3
Specification comparison
Performance
| Specification | K31 | Q31 |
|---|---|---|
| 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 | 32 GB | 32 GB |
| AnTuTu Score | 93,500 | 109,447 |
| Geekbench 6 Single-Core | 233 | 233 |
| Geekbench 6 Multi-Core | 723 | 723 |
| CPU Description | Octa-core Cortex-A53 CPU with four cores at 2.0 GHz and four cores at 1.5 GHz. | Octa-core 2.0 GHz Cortex-A53 processor |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 2 GB | 3 GB Best value |
| RAM Type | LPDDR3 | DDR4 Best value |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | K31 | Q31 |
|---|---|---|
| Body Colors | Grey, Silver | Silver |
| Body Thickness | 8.6 mm Best value | 8.7 mm |
| Body Width | 71.1 mm | 71 mm |
| Body Height | 147.8 mm | 147.9 mm |
| Weight | 146 g | 145 g Best value |
| Usable Surface | 77.2 % | 77.2 % |
| Body Materials | Plastic | — |
| Resistance Features | MIL-STD-810G | MIL-STD-810G |
Battery
| Specification | K31 | Q31 |
|---|---|---|
| Battery Capacity | 3,000 mAh | 3,000 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Battery Features | Non-Removable, Rechargeable, Battery Level Indicator | Battery Level Indicator, Rechargeable |
Display
| Specification | K31 | Q31 |
|---|---|---|
| Display Aspect Ratio | 19:9 | 19:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 5.7″ | 5.7″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,520 px | 1,520 px |
| Display Pixel Density | 295 ppi | 295 ppi |
| Display Features | IPS LCD, Water Drop Notch, Scratch Resistant, Capacitive Touch, Multi-Touch | IPS LCD, Touchscreen |
Sensors
| Specification | K31 | Q31 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | — |
Sensor
| Specification | K31 | Q31 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Light Sensor, Proximity Sensor | Accelerometer |
Software
| Specification | K31 | Q31 |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| Google Services | Yes | — |
Connectivity
| Specification | K31 | Q31 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Single Nano-SIM Best value | Single Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 2G CDMA BC1, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B2, 4G LTE B4, 4G LTE B5, 4G LTE B12, 4G LTE B13, 4G LTE B25, 4G LTE B26, 4G LTE B41, 4G LTE B66, 4G LTE B71 | 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 bands unspecified |
| Cellular Technologies | GSM, CDMA, HSPA, UMTS, 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 Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS Best value | GPS |
| Connectivity Features | 3.5 mm Audio Jack, microUSB, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE, USB Charging, USB Mass Storage | 3.5 mm Audio Jack, microUSB |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | 0.61 W/kg | — |
| SAR American Body | 1.13 W/kg | — |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | K31 | Q31 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Loudspeaker, A2DP, LE | Loudspeaker |
Technical
| Specification | K31 | Q31 |
|---|---|---|
| Model numbers | LM-K300Q, LMK300, LGL355DL | LM-Q310N |
