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- 7 vs Poco X3
OnePlus 7 vs Xiaomi Poco X3
What 7 does better (10) and where Poco X3 wins (8) — every spec side by side.
Dimensions
Size comparison
7Poco X3
| 7 | Poco X3 | Difference | |
|---|---|---|---|
| Height | 157.7 mm | 165.3 mm | −7.6 mm |
| Width | 74.8 mm | 76.8 mm | −2 mm |
| Thickness | 8.2 mm | 10.1 mm | −1.9 mm |
| Weight | 182 g | 225 g | −43 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 7 better than Poco X3?
- OLED panelYes · Poco X3: No
- Storage (max)256 GB vs 128 GB2×
- Optical stabilisationYes · Poco X3: No
- NFCYes · Poco X3: No
- Weight182 g vs 225 g+24%
- CPU frequency2.84 GHz vs 2.3 GHz+23%
- Storage (base)128 GB vs 64 GB2×
- 4K video frame rate60 fps vs 30 fps2×
- USB version3 vs 2+50%
- Thickness8.2 mm vs 10.1 mm+23%
Why is Poco X3 better than 7?
- Battery capacity3,700 mAh vs 6,000 mAh+62%
- Wired charging20 W vs 33 W+65%
- Main camera48 MP vs 64 MP+33%
- Memory card slotNo · 7: Yes
- Ultra-wide cameraNo · 7: Yes
- 3.5 mm headphone jackNo · 7: Yes
- Screen size6.4″ vs 6.7″+4%
- Selfie camera16 MP vs 20 MP+25%
Specifications
Side by side
| Design | ||
| Weight | 182 g | 225 g |
| Thickness | 8.2 mm | 10.1 mm |
| Height | 157.7 mm | 165.3 mm |
| Width | 74.8 mm | 76.8 mm |
| Frame | Aluminium | Plastic |
| Back | Glass | Plastic |
| Ingress protection | — | IP53 |
| Water resistance (IPx) | — | IPx3 |
| Glass protection | Gorilla Glass | Corning Gorilla Glass 5 |
| Colours | Mirror Grey | Cobalt Blue, Shadow Gray |
| Display | ||
| Screen size | 6.4″ | 6.7″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,400 px |
| Pixel density | 402 ppi | 395 ppi |
| Refresh rate | — | 120 Hz |
| Peak brightness | — | 450 nits |
| Screen-to-body ratio | 85.5% | 84.6% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm Snapdragon 855 | Qualcomm SM7150-AC Snapdragon 732G |
| Chip maker | Qualcomm | Qualcomm |
| Process | — | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.84 GHz | 2.3 GHz |
| GPU | Adreno 640 | Adreno 618 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 48 MP | 64 MP |
| Main camera aperture | — | f/1.9 |
| Main sensor size | — | 1/1.73" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | Yes | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 60 fps | 30 fps |
| Selfie camera | 16 MP | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,700 mAh | 6,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 20 W | 33 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | No |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | 3 | 2 |
| Dual-band GPS | Yes | — |
| Satellite navigation | GPS, GLONASS, GALILEO, BDS | GLONASS, BDS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | Yes |
| Fingerprint sensor | Under display | Side |
| Sensors | proximity, accelerometer, gyro, light, compass, fingerprint | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.75 W/kg |
| Software | ||
| OS at launch | Android 9.0 Pie | Android 10 |
| Platform | Android | Android |
| Interface | Oxygen OS 9.0 | MIUI 12 |
