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- Fire 3 Ultra vs RugKing 4 Pro
Doogee Fire 3 Ultra vs UleFone RugKing 4 Pro
What Fire 3 Ultra does better (5) and where RugKing 4 Pro wins (9) — every spec side by side.
vs
2.3Display5.2
3.7Camera3.9
7.7Battery7.9
6.0Features6.0
Dimensions
Size comparison
Fire 3 UltraRugKing 4 Pro
| Fire 3 Ultra | RugKing 4 Pro | Difference | |
|---|---|---|---|
| Height | 162.5 mm | 178.6 mm | −16.1 mm |
| Width | 77.4 mm | 84 mm | −6.6 mm |
| Thickness | 17.8 mm | 19.2 mm | −1.4 mm |
| Weight | 290 g | 405 g | −115 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Fire 3 Ultra better than RugKing 4 Pro?
- Weight290 g vs 405 g+40%
- Rear cameras2 vs 12×
- 3.5 mm headphone jackYes · RugKing 4 Pro: No
- Pixel density293 ppi vs 269 ppi+9%
- Thickness17.8 mm vs 19.2 mm+8%
Why is RugKing 4 Pro better than Fire 3 Ultra?
- Main camera16 MP vs 48 MP3×
- Refresh rate60 Hz vs 120 Hz2×
- Battery capacity8,350 mAh vs 10,200 mAh+22%
- RAM6 GB vs 8 GB+33%
- Peak brightness380 nits vs 500 nits+32%
- Screen size5.5″ vs 6.6″+19%
- CPU frequency1.6 GHz vs 1.8 GHz+12%
- Screen-to-body ratio62.1% vs 68.9%+11%
- Bluetooth5 vs 5.2+4%
Specifications
Side by side
| Design | ||
| Weight | 290 g | 405 g |
| Thickness | 17.8 mm | 19.2 mm |
| Height | 162.5 mm | 178.6 mm |
| Width | 77.4 mm | 84 mm |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Panda Glass | Corning Gorilla Glass 3 |
| Colours | Gray, Orange, Green | Black, Orange |
| Display | ||
| Screen size | 5.5″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,440 px | 1,612 px |
| Pixel density | 293 ppi | 269 ppi |
| Refresh rate | 60 Hz | 120 Hz |
| Peak brightness | 380 nits | 500 nits |
| Screen-to-body ratio | 62.1% | 68.9% |
| Performance | ||
| Chipset | Unisoc T7200 | Unisoc T7250 |
| Chip maker | Unisoc | Unisoc |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 1.8 GHz |
| GPU | Mali-G57 MP1 | Mali-G57 MP1 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | — | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 16 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Rear cameras | 2 | 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 | 8,350 mAh | 10,200 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 18 W | 18 W |
| Wireless charging | No | No |
| Reverse wireless charging | — | Yes |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| EU label | ||
| Energy class | A | — |
| Battery charge cycles | 1,100 | — |
| Endurance per cycle | 91 h | — |
| Repairability class | C | — |
| Drop resistance class | D | — |
