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- Smart 4 Plus vs Poco C81x
Lava Smart 4 Plus vs Xiaomi Poco C81x
What Smart 4 Plus does better (3) and where Poco C81x wins (8) — every spec side by side.
vs
5.1Display6.1
2.7Camera3.4
3.5Battery5.8
3.2Features2.0
Dimensions
Size comparison
Smart 4 PlusPoco C81x
| Smart 4 Plus | Poco C81x | Difference | |
|---|---|---|---|
| Height | 165 mm | 171.8 mm | −6.8 mm |
| Width | 76.1 mm | 77.8 mm | −1.7 mm |
| Thickness | 8.5 mm | 8.3 mm | +0.2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Smart 4 Plus better than Poco C81x?
- Water resistance (IPx)IPx4 vs IPx22×
- RAM4 GB vs 3 GB+33%
- Screen-to-body ratio87.6% vs 84.1%+4%
Why is Poco C81x better than Smart 4 Plus?
- Wired charging10 W vs 15 W+50%
- Refresh rate90 Hz vs 120 Hz+33%
- Battery capacity5,000 mAh vs 5,200 mAh+4%
- Process28 nm vs 12 nm2.3×
- CPU frequency1.6 GHz vs 1.8 GHz+12%
- Selfie camera5 MP vs 8 MP+60%
- Bluetooth4.2 vs 5.2+24%
- Thickness8.5 mm vs 8.3 mm+2%
Specifications
Side by side
| Design | ||
| Weight | — | 193 g |
| Thickness | 8.5 mm | 8.3 mm |
| Height | 165 mm | 171.8 mm |
| Width | 76.1 mm | 77.8 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP64 | IP52 |
| Water resistance (IPx) | IPx4 | IPx2 |
| Colours | Nilgiri Blue, Himalayan Silver | Ice Blue, Crystal Black |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,640 px |
| Pixel density | 260 ppi | 260 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | — | 650 nits |
| Screen-to-body ratio | 87.6% | 84.1% |
| Performance | ||
| Chipset | Unisoc SC9863A | Unisoc T7250 |
| Chip maker | Unisoc | Unisoc |
| Process | 28 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 1.8 GHz |
| GPU | IMG8322 | Mali-G57 MP1 |
| AnTuTu score | — | 350,705 |
| Geekbench 6 (multi-core) | — | 1,469 |
| Memory | ||
| RAM | 4 GB | 3 GB |
| Storage (max) | 64 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | — | f/2.2 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,200 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 10 W | 15 W |
| Charged in 30 min | — | 25% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 4.2 | 5.2 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS | GLONASS, GALILEO, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer | Fingerprint (side-mounted), accelerometer, compass |
| Software | ||
| OS at launch | Android 15 (Go edition) | Android 15 |
| Platform | Android | Android |
| Interface | — | HyperOS 3 |
| Major OS updates promised | — | 2 |
