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- Fire 3 Ultra vs Redmi 15 5G
Doogee Fire 3 Ultra vs Xiaomi Redmi 15 5G
What Fire 3 Ultra does better (8) and where Redmi 15 5G wins (14) — every spec side by side.
vs
2.3Display7.3
3.7Camera4.6
7.8Battery8.3
6.0Features6.2
Dimensions
Size comparison
Fire 3 UltraRedmi 15 5G
| Fire 3 Ultra | Redmi 15 5G | Difference | |
|---|---|---|---|
| Height | 162.5 mm | 169.5 mm | −7 mm |
| Width | 77.4 mm | 80.4 mm | −3 mm |
| Thickness | 17.8 mm | 8.4 mm | +9.4 mm |
| Weight | 290 g | 217 g | +73 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Fire 3 Ultra better than Redmi 15 5G?
- Water resistance (IPx)IPx8 vs IPx42×
- Battery capacity8,350 mAh vs 7,000 mAh+19%
- Storage (base)256 GB vs 128 GB2×
- Rear cameras2 vs 12×
- 3.5 mm headphone jackYes · Redmi 15 5G: No
- Energy classA vs B
- Endurance per cycle91 h vs 67 h+36%
- Battery charge cycles1,100 vs 1,000+10%
Why is Redmi 15 5G better than Fire 3 Ultra?
- Main camera16 MP vs 50 MP3.1×
- Refresh rate60 Hz vs 144 Hz2.4×
- Wired charging18 W vs 33 W+83%
- 5GNo · Fire 3 Ultra: Yes
- Peak brightness380 nits vs 700 nits+84%
- RAM6 GB vs 8 GB+33%
- CPU frequency1.6 GHz vs 2.3 GHz+44%
- Weight290 g vs 217 g+34%
- Pixel density293 ppi vs 374 ppi+28%
- Screen size5.5″ vs 6.9″+25%
- Thickness17.8 mm vs 8.4 mm2.1×
- Process12 nm vs 6 nm2×
Specifications
Side by side
| Design | ||
| Weight | 290 g | 217 g |
| Thickness | 17.8 mm | 8.4 mm |
| Height | 162.5 mm | 169.5 mm |
| Width | 77.4 mm | 80.4 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP68 | IP64 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Glass protection | Panda Glass | Gorilla Glass 3 |
| Colours | Gray, Orange, Green | Black, Gray, Green |
| Display | ||
| Screen size | 5.5″ | 6.9″ |
| Panel | IPS LCD | LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,440 px | 2,340 px |
| Pixel density | 293 ppi | 374 ppi |
| Refresh rate | 60 Hz | 144 Hz |
| Peak brightness | 380 nits | 700 nits |
| Screen-to-body ratio | 62.1% | 85.6% |
| Performance | ||
| Chipset | Unisoc T7200 | Qualcomm Snapdragon 6s Gen 3 |
| Chip maker | Unisoc | Qualcomm |
| Process | 12 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 2.3 GHz |
| GPU | Mali-G57 MP1 | Adreno 619 |
| AnTuTu score | — | 632,934 |
| Geekbench 6 (multi-core) | — | 2,183 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 256 GB | 128 GB |
| Storage type | — | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 16 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | — | 1/2.88" |
| 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 | 7,000 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 18 W | 33 W |
| Charged in 30 min | — | 33% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GPS, GLONASS, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | proximity, accelerometer, gyro, light, fingerprint |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | — | HyperOS 2.2 |
| EU label | ||
| Energy class | A | B |
| Battery charge cycles | 1,100 | 1,000 |
| Endurance per cycle | 91 h | 67 h |
| Repairability class | C | C |
| Drop resistance class | D | D |
