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- P20 vs K51S
Huawei P20 vs LG K51S
What P20 does better (12) and where K51S wins (7) — every spec side by side.
Dimensions
Size comparison
P20K51S
| P20 | K51S | Difference | |
|---|---|---|---|
| Height | 149.1 mm | 165.2 mm | −16.1 mm |
| Width | 70.8 mm | 76.7 mm | −5.9 mm |
| Thickness | 7.6 mm | 8.3 mm | −0.7 mm |
| Weight | 165 g | 194 g | −30 g |
Drawn to the same scale from the official dimensions (front and side).
Why is P20 better than K51S?
- Stereo speakersYes · K51S: No
- RAM4 GB vs 3 GB+33%
- Pixel density428 ppi vs 282 ppi+52%
- Max video4K vs 1080p
- Weight165 g vs 194 g+18%
- Selfie camera24 MP vs 13 MP+85%
- CPU frequency2.4 GHz vs 2.3 GHz+4%
- USB version3.1 vs 2+55%
- Resolution (width)1,080 px vs 720 px+50%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Screen-to-body ratio80.4% vs 73.8%+9%
- Thickness7.6 mm vs 8.3 mm+8%
Why is K51S better than P20?
- Main camera20 MP vs 32 MP+60%
- Battery capacity3,400 mAh vs 4,000 mAh+18%
- Memory card slotNo · P20: Yes
- Ultra-wide cameraNo · P20: Yes
- 3.5 mm headphone jackNo · P20: Yes
- Screen size5.8″ vs 6.6″+13%
- Bluetooth4.2 vs 5+19%
Specifications
Side by side
| Design | ||
| Weight | 165 g | 194 g |
| Thickness | 7.6 mm | 8.3 mm |
| Height | 149.1 mm | 165.2 mm |
| Width | 70.8 mm | 76.7 mm |
| Frame | Aluminium | — |
| Back | Glass | — |
| Glass protection | — | Scratch-resistant glass |
| Colours | — | Titanium, Pink, Blue, Red |
| Display | ||
| Screen size | 5.8″ | 6.6″ |
| Panel | LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,240 px | 1,600 px |
| Pixel density | 428 ppi | 282 ppi |
| Refresh rate | — | 60 Hz |
| Peak brightness | 770 nits | — |
| Screen-to-body ratio | 80.4% | 73.8% |
| Performance | ||
| Chipset | HiSilicon Kirin 970 | Mediatek MT6765 Helio P35 |
| Chip maker | HiSilicon | MediaTek |
| Process | — | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.3 GHz |
| GPU | Mali G72 MP12 | PowerVR GE8320 |
| Memory | ||
| RAM | 4 GB | 3 GB |
| Storage (max) | — | 64 GB |
| Storage (base) | — | 64 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 20 MP | 32 MP |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Optical zoom | 3× | — |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 24 MP | 13 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,400 mAh | 4,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wireless charging | No | — |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 4.2 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | 3.1 | 2 |
| Satellite navigation | GPS, GLONASS, BDS | — |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | No | Yes |
| Fingerprint sensor | Yes | Rear |
| Sensors | proximity, accelerometer, gyro, light, compass, hall, color spectrum, fingerprint | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 8.1 Oreo | Android 9.0 (Pie) |
| Platform | Android | Android |
| Interface | EMUI 8.1 | — |
