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- K7x vs iQOO U3
OPPO K7x vs Vivo iQOO U3
What K7x does better (9) and where iQOO U3 wins (3) — every spec side by side.
Dimensions
Size comparison
K7xiQOO U3
| K7x | iQOO U3 | Difference | |
|---|---|---|---|
| Height | 162.2 mm | 164.2 mm | −2 mm |
| Width | 75.1 mm | 75.4 mm | −0.3 mm |
| Thickness | 9.1 mm | 8.4 mm | +0.7 mm |
| Weight | 194 g | 186 g | +8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K7x better than iQOO U3?
- Storage (max)512 GB vs 128 GB4×
- Wired charging30 W vs 18 W+67%
- RAM12 GB vs 8 GB+50%
- Peak brightness600 nits vs 460 nits+30%
- Storage (base)128 GB vs 64 GB2×
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · iQOO U3: No
- Selfie camera16 MP vs 8 MP2×
- Main camera aperturef/1.7 vs f/1.8+6%
Why is iQOO U3 better than K7x?
- CPU frequency2 GHz vs 2.4 GHz+20%
- Weight194 g vs 186 g+5%
- Thickness9.1 mm vs 8.4 mm+8%
Specifications
Side by side
| Design | ||
| Weight | 194 g | 186 g |
| Thickness | 9.1 mm | 8.4 mm |
| Height | 162.2 mm | 164.2 mm |
| Width | 75.1 mm | 75.4 mm |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Blue, Black | White, Gray, Aurora |
| Display | ||
| Screen size | 6.5″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,408 px |
| Pixel density | 405 ppi | 401 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 600 nits | 460 nits |
| Screen-to-body ratio | 83.7% | 84.2% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Mediatek Dimensity 720 | Mediatek Dimensity 800U |
| Chip maker | MediaTek | MediaTek |
| Process | 7 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.4 GHz |
| GPU | Mali-G57 MC3 | Mali-G57 MC3 |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Storage (max) | 512 GB | 128 GB |
| Storage (base) | 128 GB | 64 GB |
| Storage type | UFS 2.1 | UFS 2.2 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/1.7 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 16 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 30 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | ColorOS 7.2 | Funtouch 10.5 |
