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- N55 Plus vs Smart 9 HD
Doogee N55 Plus vs Infinix Smart 9 HD
What N55 Plus does better (5) and where Smart 9 HD wins (6) — every spec side by side.
vs
3.6Display4.4
3.4Camera3.4
5.0Battery3.5
3.5Features4.0
Dimensions
Size comparison
N55 PlusSmart 9 HD
| N55 Plus | Smart 9 HD | Difference | |
|---|---|---|---|
| Height | 163.8 mm | 165.7 mm | −1.9 mm |
| Width | 75.8 mm | 77.1 mm | −1.3 mm |
| Thickness | 8.6 mm | 8.4 mm | +0.2 mm |
| Weight | 186 g | 188 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is N55 Plus better than Smart 9 HD?
- RAM8 GB vs 4 GB2×
- Storage (max)128 GB vs 64 GB2×
- Battery capacity5,150 mAh vs 5,000 mAh+3%
- Storage (base)128 GB vs 64 GB2×
- Pixel density269 ppi vs 262 ppi+3%
Why is Smart 9 HD better than N55 Plus?
- Stereo speakersNo · N55 Plus: Yes
- Peak brightness350 nits vs 500 nits+43%
- CPU frequency1.6 GHz vs 2.2 GHz+38%
- Screen size6.6″ vs 6.7″+2%
- Main camera aperturef/2.2 vs f/1.9+16%
- Thickness8.6 mm vs 8.4 mm+2%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 188 g |
| Thickness | 8.6 mm | 8.4 mm |
| Height | 163.8 mm | 165.7 mm |
| Width | 75.8 mm | 77.1 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | — | IP54 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Phantom Black, Lightweave Silver | Metallic Black, Neo Titanium, Mint Green, Coral Gold |
| Display | ||
| Screen size | 6.6″ | 6.7″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,612 px | 1,600 px |
| Pixel density | 269 ppi | 262 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 350 nits | 500 nits |
| Screen-to-body ratio | 83.3% | 84.8% |
| Performance | ||
| Chipset | Unisoc T606 | Mediatek Helio |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | — |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 2.2 GHz |
| GPU | Mali-G57 MP1 | Mali-G57 MC1 |
| Memory | ||
| RAM | 8 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 128 GB | 64 GB |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | f/2.2 | f/1.9 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,150 mAh | 5,000 mAh |
| Wired charging | 10 W | 10 W |
| 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 | 5 | — |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | — |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Side |
| Sensors | Accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 14 | Android 14 (Go edition) |
| Platform | Android | Android |
| Interface | — | XOS 14 |
| EU label | ||
| Energy class | C | — |
| Battery charge cycles | 1,100 | — |
| Endurance per cycle | 43 h | — |
| Repairability class | B | — |
| Drop resistance class | B | — |
