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- 9 Pro vs Mix 4
OnePlus 9 Pro vs Xiaomi Mix 4
What 9 Pro does better (10) and where Mix 4 wins (9) — every spec side by side.
Dimensions
Size comparison
9 ProMix 4
| 9 Pro | Mix 4 | Difference | |
|---|---|---|---|
| Height | 163.2 mm | 162.6 mm | +0.6 mm |
| Width | 73.6 mm | 75.4 mm | −1.8 mm |
| Thickness | 8.7 mm | 8 mm | +0.7 mm |
| Weight | 197 g | 225 g | −28 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 9 Pro better than Mix 4?
- Water resistance (IPx)IPx8 vs IPx32.7×
- Peak brightness1,300 nits vs 800 nits+62%
- Pixel density525 ppi vs 395 ppi+33%
- 4K video frame rate120 fps vs 60 fps2×
- Weight197 g vs 225 g+14%
- USB version3.1 vs 2+55%
- Resolution (width)1,440 px vs 1,080 px+33%
- Rear cameras4 vs 3+33%
- Main camera aperturef/1.8 vs f/1.9+6%
- Screen-to-body ratio90.3% vs 87.6%+3%
Why is Mix 4 better than 9 Pro?
- Main camera48 MP vs 108 MP2.2×
- Wired charging65 W vs 120 W+85%
- Storage (max)256 GB vs 512 GB2×
- Optical zoom3.3× vs 5×+52%
- Charged in 30 min103% vs 200%+94%
- CPU frequency2.84 GHz vs 2.99 GHz+5%
- Selfie camera16 MP vs 20 MP+25%
- Thickness8.7 mm vs 8 mm+9%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 6E+8%
Specifications
Side by side
| Design | ||
| Weight | 197 g | 225 g |
| Thickness | 8.7 mm | 8 mm |
| Height | 163.2 mm | 162.6 mm |
| Width | 73.6 mm | 75.4 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Ceramic |
| Ingress protection | IP68 | IP53 |
| Water resistance (IPx) | IPx8 | IPx3 |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass Victus |
| Colours | Morning Mist, Forest Green, Stellar Black | Ceramic Black, Ceramic White, Shadow Gray |
| Display | ||
| Screen size | 6.7″ | 6.7″ |
| Panel | LTPO Fluid2 AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | Yes | — |
| Resolution (width) | 1,440 px | 1,080 px |
| Resolution (height) | 3,216 px | 2,400 px |
| Pixel density | 525 ppi | 395 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,300 nits | 800 nits |
| Measured brightness | 859 nits | — |
| Screen-to-body ratio | 90.3% | 87.6% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8350 Snapdragon 888 5G | Qualcomm SM8350 Snapdragon 888+ 5G |
| Chip maker | Qualcomm | Qualcomm |
| Process | 5 nm | 5 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.84 GHz | 2.99 GHz |
| GPU | Adreno 660 | Adreno 660 |
| AnTuTu score | 1,185,805 | — |
| Geekbench 6 (multi-core) | 3,989 | — |
| 3DMark Wild Life Extreme | 1,527 | — |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 48 MP | 108 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.43" | 1/1.33" |
| Rear cameras | 4 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 3.3× | 5× |
| Max video | 8K | 8K |
| 4K video frame rate | 120 fps | 60 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,500 mAh | 4,500 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 65 W | 120 W |
| Charged in 30 min | 103% | 200% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 50 W | 50 W |
| Reverse wireless charging | Yes | — |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.1 | USB Type-C 2.0 |
| USB version | 3.1 | 2 |
| Video output | Yes | — |
| Ultra Wideband | — | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -24.1 LUFS | — |
| Fingerprint sensor | Under display | Under display |
| Barometer | Yes | — |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| SAR (head) | 0.99 W/kg | — |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | OxygenOS 14 | MIUI 12.5 |
