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- 6 vs Mi 9
OnePlus 6 vs Xiaomi Mi 9
What 6 does better (2) and where Mi 9 wins (7) — every spec side by side.
Dimensions
Size comparison
6Mi 9
| 6 | Mi 9 | Difference | |
|---|---|---|---|
| Height | 155.7 mm | 157.5 mm | −1.8 mm |
| Width | 75.4 mm | 74.7 mm | +0.7 mm |
| Thickness | 7.8 mm | 7.6 mm | +0.1 mm |
| Weight | 177 g | 173 g | +4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 6 better than Mi 9?
- Optical stabilisationYes · Mi 9: No
- Dual SIMYes · Mi 9: No
Why is Mi 9 better than 6?
- Main camera20 MP vs 48 MP2.4×
- Wireless chargingNo · 6: Yes
- 4K video frame rate30 fps vs 60 fps2×
- Weight177 g vs 173 g+2%
- Rear cameras2 vs 3+50%
- Selfie camera16 MP vs 20 MP+25%
- Screen-to-body ratio83.8% vs 90.7%+8%
Specifications
Side by side
| Design | ||
| Weight | 177 g | 173 g |
| Thickness | 7.8 mm | 7.6 mm |
| Height | 155.7 mm | 157.5 mm |
| Width | 75.4 mm | 74.7 mm |
| Frame | Aluminium | — |
| Back | Glass | Glass |
| Glass protection | Gorilla Glass 5 | Gorilla Glass 6 |
| Colours | — | Black, Blue, Purple |
| Display | ||
| Screen size | 6.3″ | 6.4″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,280 px | 2,340 px |
| Pixel density | 402 ppi | 403 ppi |
| Refresh rate | — | 60 Hz |
| Peak brightness | — | 600 nits |
| Measured brightness | — | 615 nits |
| Screen-to-body ratio | 83.8% | 90.7% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 855 |
| Chip maker | Qualcomm | Qualcomm |
| Process | — | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.8 GHz | 2.84 GHz |
| GPU | Adreno 630 | Adreno 640 |
| AnTuTu score | — | 786,843 |
| Geekbench 6 (multi-core) | — | 2,929 |
| 3DMark Wild Life Extreme | — | 877 |
| Memory | ||
| RAM | — | 6 GB |
| Storage (max) | — | 256 GB |
| Storage (base) | — | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 20 MP | 48 MP |
| Main camera aperture | — | f/1.8 |
| Main sensor size | — | 1/2" |
| Rear cameras | 2 | 3 |
| Optical stabilisation | Yes | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Optical zoom | 2× | 2× |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 60 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,300 mAh | 3,300 mAh |
| Battery type | — | Li-Po |
| Wired charging | — | 27 W |
| Charged in 30 min | — | 50% |
| Wireless charging | No | Yes |
| Wireless charging power | — | 20 W |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | No |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | — | USB Type-C |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GPS, GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | — | No |
| Fingerprint sensor | Rear | Under display |
| Barometer | — | Yes |
| Sensors | proximity, accelerometer, gyro, compass, hall, fingerprint | proximity, accelerometer, gyro, light, compass, fingerprint |
| SAR (head) | — | 1.39 W/kg |
| Software | ||
| OS at launch | Android 8.1 Oreo | Android 9.0 Pie |
| Platform | Android | Android |
| Interface | Oxygen OS 5.1 | Miui V10 |
