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- F31 vs C75x
OPPO F31 vs Realme C75x
What F31 does better (13) and where C75x wins (0) — every spec side by side.
Dimensions
Size comparison
F31C75x
| F31 | C75x | Difference | |
|---|---|---|---|
| Height | 158.2 mm | 165.7 mm | −7.5 mm |
| Width | 75 mm | 76.2 mm | −1.2 mm |
| Thickness | 8 mm | 8 mm | = |
| Weight | 185 g | 196 g | −11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is F31 better than C75x?
- Wired charging80 W vs 45 W+78%
- Peak brightness1,400 nits vs 625 nits2.2×
- Battery capacity7,000 mAh vs 5,600 mAh+25%
- OLED panelYes · C75x: No
- Stereo speakersYes · C75x: No
- Pixel density397 ppi vs 264 ppi+50%
- Selfie camera16 MP vs 5 MP3.2×
- Process6 nm vs 12 nm2×
- CPU frequency2.4 GHz vs 2 GHz+20%
- Weight185 g vs 196 g+6%
- Resolution (width)1,080 px vs 720 px+50%
- Bluetooth5.4 vs 5+8%
Why is C75x better than F31?
C75x has no measurable advantages in this pair.
Specifications
Side by side
| Design | ||
| Weight | 185 g | 196 g |
| Thickness | 8 mm | 8 mm |
| Height | 158.2 mm | 165.7 mm |
| Width | 75 mm | 76.2 mm |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | AGC DT-Star D+ | ArmorShell glass |
| Colours | Midnight Blue, Bloom Red, Cloud Green | Coral Pink, Oceanic Blue |
| Display | ||
| Screen size | 6.6″ | 6.7″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,372 px | 1,604 px |
| Pixel density | 397 ppi | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,400 nits | 625 nits |
| Screen-to-body ratio | 88.5% | 84.9% |
| Performance | ||
| Chipset | Mediatek Dimensity 6300 | Mediatek Helio G81 Ultra |
| Chip maker | MediaTek | MediaTek |
| Process | 6 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2 GHz |
| GPU | Mali-G57 MC2 | Mali-G52 MC2 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | — | 1/2.88" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 16 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 7,000 mAh | 5,600 mAh |
| Battery type | Si/C | — |
| Wired charging | 80 W | 45 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Under display | Side |
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | 1.18 W/kg | — |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | ColorOS 15 | — |
