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- K51S vs Armor 8
LG K51S vs UleFone Armor 8
What K51S does better (10) and where Armor 8 wins (3) — every spec side by side.
Dimensions
Size comparison
K51SArmor 8
| K51S | Armor 8 | Difference | |
|---|---|---|---|
| Height | 165.2 mm | 166 mm | −0.8 mm |
| Width | 76.7 mm | 81.8 mm | −5.1 mm |
| Thickness | 8.3 mm | 15 mm | −6.7 mm |
| Weight | 194 g | 282 g | −88 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K51S better than Armor 8?
- Main camera32 MP vs 16 MP2×
- Weight194 g vs 282 g+45%
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · Armor 8: No
- CPU frequency2.3 GHz vs 2 GHz+15%
- Thickness8.3 mm vs 15 mm+81%
- Screen size6.6″ vs 6.1″+7%
- Selfie camera13 MP vs 8 MP+62%
- Bluetooth5 vs 4.2+19%
- Screen-to-body ratio73.8% vs 67.3%+10%
Why is Armor 8 better than K51S?
- Battery capacity4,000 mAh vs 5,580 mAh+40%
- RAM3 GB vs 4 GB+33%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
Specifications
Side by side
| Design | ||
| Weight | 194 g | 282 g |
| Thickness | 8.3 mm | 15 mm |
| Height | 165.2 mm | 166 mm |
| Width | 76.7 mm | 81.8 mm |
| Frame | — | Aluminium |
| Back | — | Aluminium |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Scratch-resistant glass | Scratch-resistant glass, oleophobic coating |
| Colours | Titanium, Pink, Blue, Red | Black, Orange, Red |
| Display | ||
| Screen size | 6.6″ | 6.1″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,560 px |
| Pixel density | 282 ppi | 282 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 73.8% | 67.3% |
| Performance | ||
| Chipset | Mediatek MT6765 Helio P35 | Mediatek MT6771 Helio P60 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2 GHz |
| GPU | PowerVR GE8320 | Mali-G72 MP3 |
| Memory | ||
| RAM | 3 GB | 4 GB |
| Storage (max) | 64 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 32 MP | 16 MP |
| Main camera aperture | — | f/2.2 |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 13 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 5,580 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | — | 15 W |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5 | 4.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | — | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, baroceptor, coulombmeter |
| Software | ||
| OS at launch | Android 9.0 (Pie) | Android 10 |
| Platform | Android | Android |
