The verdict
Neither runs away with it: each wins something.
| Category | K51S | K50 |
|---|---|---|
| Design & display | 5.1 | 5.0 |
| Performance & hardware | 2.7 | 2.9 |
| Camera | 4.0 | 5.0 |
| Connectivity | 4.7 | 4.6 |
| Battery & charging | 3.8 | 3.0 |
Which one is for you?
LG K51S, if you care about…
- Battery Capacity
- 4,000 mAh
- against 3,500 mAh
- Maximum Storage Capacity
- 64 GB
- against 32 GB
- Display Pixel Density
- 282 ppi
- against 269 ppi
- Usable Surface
- 84 %
- against 78.8 %
LG K50, if you care about…
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
- Weight
- 170 g
- against 194.5 g
- Geekbench 6 Single-Core
- 233
- against 164
- Max. upload speed
- 75 Mbps
- against 50 Mbps
Specification comparison
Performance
| Specification | K51S | K50 |
|---|---|---|
| Processor Model | MediaTek Helio P35 | 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 | 2.3 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 64 GB Best value | 32 GB |
| AnTuTu Score | 103,115 | — |
| Geekbench 6 Single-Core | 164 | 233 Best value |
| Geekbench 6 Multi-Core | 744 Best value | 723 |
| CPU Description | Octa-core processor with four 2.3 GHz Cortex-A53 cores and four 1.8 GHz Cortex-A53 cores. | 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 |
| AnTuTu version | v8 | — |
| Maximum memory card | — | 1 TB |
Design
| Specification | K51S | K50 |
|---|---|---|
| Body Colors | Titanium, Pink, Blue, Red, Grey | Black, Blue, Grey |
| Body Thickness | 8.3 mm Best value | 8.7 mm |
| Body Width | 76.7 mm | 77 mm |
| Body Height | 165.2 mm | 161.3 mm |
| Weight | 194.5 g | 170 g Best value |
| Usable Surface | 84 % Best value | 78.8 % |
| Body Materials | Polycarbonate | — |
| Resistance Features | MIL-STD-810G | MIL-STD-810G |
Battery
| Specification | K51S | K50 |
|---|---|---|
| Battery Capacity | 4,000 mAh Best value | 3,500 mAh |
| Battery Type | Li-Polymer | Li-Po |
| Battery Features | Non-Removable, Rechargeable, Battery Level Indicator | Battery Level Indicator, Rechargeable |
Display
| Specification | K51S | K50 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.55″ Best value | 6.26″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px Best value | 1,520 px |
| Display Pixel Density | 282 ppi Best value | 269 ppi |
| Display Features | IPS LCD, Scratch Resistant, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Frameless, Touchscreen | Capacitive Touch |
Sensors
| Specification | K51S | K50 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | K51S | K50 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor |
Software
| Specification | K51S | K50 |
|---|---|---|
| Operating System | Android 9 | Android 9 |
| OS Family | Android | Android |
| OS Version | 9 | 9 |
| Google Services | Yes | — |
Connectivity
| Specification | K51S | K50 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Single Nano-SIM, Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 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 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, 4G LTE B38 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, DLNA | Dual Band, Wi-Fi Direct, DLNA |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou Best value | GPS, GLONASS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, DLNA | 3.5 mm Audio Jack, NFC, microUSB, USB 2.0, USB OTG, DLNA, FM Radio |
| USB Version | USB 2.0 | microUSB |
| SAR American Head | 0.68 W/kg | — |
| SAR American Body | 0.92 W/kg | — |
| SAR (EU) head | 0.501 W/kg | — |
| SAR (EU) body | 1.335 W/kg | — |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 50 Mbps | 75 Mbps Best value |
Audio
| Specification | K51S | K50 |
|---|---|---|
| Microphone Count | 1 | 2 Best value |
| Audio Features | A2DP, LE, Loudspeaker | Loudspeaker |
Technical
| Specification | K51S | K50 |
|---|---|---|
| Model numbers | LMK510EMW, LM-K510EMW, LM-K510 | LMX520BMW, LMX520EMW, LM-X520, 802LG |
