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- 9 vs 12X
OnePlus 9 vs Xiaomi 12X
What 9 does better (12) and where 12X wins (10) — every spec side by side.
Dimensions
Size comparison
912X
| 9 | 12X | Difference | |
|---|---|---|---|
| Height | 160 mm | 152.7 mm | +7.3 mm |
| Width | 74.2 mm | 69.9 mm | +4.3 mm |
| Thickness | 8.7 mm | 8.2 mm | +0.5 mm |
| Weight | 192 g | 176 g | +16 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 9 better than 12X?
- AnTuTu score1,157,244 vs 598,003+94%
- Wireless chargingYes · 12X: No
- Geekbench 6 (multi-core)3,996 vs 3,168+26%
- 3DMark Wild Life Extreme1,538 vs 1,216+26%
- Screen size6.6″ vs 6.3″+4%
- USB version3.1 vs 2+55%
- Rear cameras3 vs 2+50%
- Process5 nm vs 7 nm+40%
- Charged in 30 min103% vs 77%+34%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 5+20%
- Main camera aperturef/1.8 vs f/1.9+6%
- Loudspeaker loudness-24.5 LUFS vs -25.6 LUFS+-4%
Why is 12X better than 9?
- Optical stabilisationNo · 9: Yes
- Telephoto cameraNo · 9: Yes
- Main camera48 MP vs 50 MP+4%
- Wired charging65 W vs 67 W+3%
- Selfie camera16 MP vs 32 MP2×
- CPU frequency2.84 GHz vs 3.2 GHz+13%
- Measured brightness821 nits vs 923 nits+12%
- Weight192 g vs 176 g+9%
- Pixel density402 ppi vs 419 ppi+4%
- Thickness8.7 mm vs 8.2 mm+6%
Specifications
Side by side
| Design | ||
| Weight | 192 g | 176 g |
| Thickness | 8.7 mm | 8.2 mm |
| Height | 160 mm | 152.7 mm |
| Width | 74.2 mm | 69.9 mm |
| Frame | Plastic | — |
| Back | Glass | Glass |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass Victus |
| Colours | Winter Mist, Arctic Sky, Astral Black | Gray, Blue, Purple |
| Display | ||
| Screen size | 6.6″ | 6.3″ |
| Panel | Fluid AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 402 ppi | 419 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 1,100 nits |
| Measured brightness | 821 nits | 923 nits |
| Screen-to-body ratio | 87.6% | 89.2% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8350 Snapdragon 888 5G | Qualcomm SM8250-AC Snapdragon 870 5G |
| Chip maker | Qualcomm | Qualcomm |
| Process | 5 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.84 GHz | 3.2 GHz |
| GPU | Adreno 660 | Adreno 650 |
| AnTuTu score | 1,157,244 | 598,003 |
| Geekbench 6 (multi-core) | 3,996 | 3,168 |
| 3DMark Wild Life Extreme | 1,538 | 1,216 |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage (max) | 256 GB | 256 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 | 50 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.43" | 1/1.56" |
| Rear cameras | 3 | 2 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | Yes |
| Optical zoom | — | 2.1× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 16 MP | 32 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 | 67 W |
| Charged in 30 min | 103% | 77% |
| Wireless charging | Yes | No |
| Wireless charging power | 15 W | — |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.1 | USB Type-C 2.0 |
| USB version | 3.1 | 2 |
| Video output | Yes | — |
| Infrared port | — | 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 | -24.5 LUFS | -25.6 LUFS |
| Fingerprint sensor | Under display | Under display |
| Barometer | Yes | — |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
| SAR (head) | — | 0.59 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | OxygenOS 13 | MIUI 13 |
