The verdict
Your pick: LG K51, ahead on Camera.
| Category | K51 | Q51 |
|---|---|---|
| Design & display | 4.6 | 4.6 |
| Performance & hardware | 2.1 | 2.4 |
| Camera | 6.8 | 6.3 |
| Connectivity | 4.5 | 4.6 |
| Battery & charging | 3.8 | 3.8 |
Which one is for you?
LG K51, if you care about…
- Max. upload speed
- 150 Mbps
- against 75 Mbps
LG Q51, if you care about…
- RAM Type
- DDR4
- against LPDDR3
- SIM Configurations
- Dual Nano-SIM, Dual SIM
- against Single Nano-SIM
- Usable Surface
- 82.7 %
- against 79 %
- OS Version
- 10
- against 9
Specification comparison
Performance
| Specification | K51 | Q51 |
|---|---|---|
| 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 | 92,000 | 78,000 |
| Geekbench 6 Single-Core | 233 | 233 |
| Geekbench 6 Multi-Core | 723 | 723 |
| CPU Description | 4x Cortex-A53 at 2.0 GHz + 4x Cortex-A53 at 1.5 GHz | 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 | LPDDR3 | DDR4 Best value |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | K51 | Q51 |
|---|---|---|
| Body Colors | Grey | White, Titanium |
| Body Thickness | 8.5 mm | 8.4 mm Best value |
| Body Width | 77.9 mm | 77.5 mm |
| Body Height | 167 mm | 164.5 mm |
| Weight | 204 g | 203 g Best value |
| Usable Surface | 79 % | 82.7 % Best value |
| Body Materials | Plastic | — |
| Resistance Features | MIL-STD-810G | MIL-STD-810G |
Battery
| Specification | K51 | Q51 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,000 mAh |
| Battery Type | Li-Ion | Li-Polymer |
| Battery Features | Non-Removable, Battery Level Indicator, Rechargeable | Battery Level Indicator, Fast Charging, Rechargeable |
Display
| Specification | K51 | Q51 |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.5″ | 6.5″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,560 px Best value | 1,520 px |
| Display Pixel Density | 264 ppi Best value | 259 ppi |
| Display Features | Water Drop Notch, Capacitive Touch, Multi-Touch, Always-On Display, Touchscreen | IPS LCD, Touchscreen |
Sensors
| Specification | K51 | Q51 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | K51 | Q51 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Light Sensor, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | K51 | Q51 |
|---|---|---|
| Operating System | Android 9 | Android 10 |
| OS Family | Android | Android |
| OS Version | 9 | 10 Best value |
| Google Services | Yes | — |
Connectivity
| Specification | K51 | Q51 |
|---|---|---|
| SIM Configurations | Single Nano-SIM | Dual Nano-SIM, Dual SIM Best value |
| Cellular Bands | 2G CDMA BC0, 2G CDMA BC1, 2G CDMA BC10, 2G GSM B2, 2G GSM B3, 2G GSM B5, 2G GSM B8, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B2, 4G LTE B4, 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 B1, 4G LTE B3, 4G LTE B7, 4G LTE B8, 4G LTE B20 |
| Cellular Technologies | 4G, LTE | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct | Dual Band, Wi-Fi Direct, DLNA |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, AVRCP, GAVDP, GATT, HFP, HID, HSP, MAP, PAN, SPP, OPP, PBAP/PAB, HOGP, GOEP | A2DP, LE |
| Navigation Systems | GPS, A-GPS Best value | GPS |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, DLNA, NFC, OTA Sync, FM Radio, Tethering, USB Charging, USB Mass Storage, USB OTG, USB Type-C | 3.5 mm Audio Jack, NFC, USB Type-C, USB Charging, DLNA |
| USB Version | — | USB 2.0 |
| SAR American Head | 1 W/kg | — |
| SAR American Body | 0.97 W/kg | — |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 150 Mbps Best value | 75 Mbps |
Audio
| Specification | K51 | Q51 |
|---|---|---|
| Microphone Count | 1 | 2 Best value |
| Audio Features | DTS, DTS:X, Stereo Speakers | Stereo Speakers |
Technical
| Specification | K51 | Q51 |
|---|---|---|
| Model numbers | — | LM-Q510N |
