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- C31 vs C21Y
Nokia C31 vs Realme C21Y
What C31 does better (4) and where C21Y wins (4) — every spec side by side.
Dimensions
Size comparison
C31C21Y
| C31 | C21Y | Difference | |
|---|---|---|---|
| Height | 169.2 mm | 164.5 mm | +4.7 mm |
| Width | 78 mm | 76 mm | +2 mm |
| Thickness | 8.6 mm | 9.1 mm | −0.5 mm |
| Weight | 200 g | 200 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is C31 better than C21Y?
- Storage (max)128 GB vs 64 GB2×
- Screen size6.8″ vs 6.5″+4%
- Thickness8.6 mm vs 9.1 mm+6%
- Screen-to-body ratio83.4% vs 81.6%+2%
Why is C21Y better than C31?
- Process28 nm vs 12 nm2.3×
- CPU frequency1.6 GHz vs 1.8 GHz+12%
- Pixel density260 ppi vs 270 ppi+4%
- Bluetooth4.2 vs 5+19%
Specifications
Side by side
| Design | ||
| Weight | 200 g | 200 g |
| Thickness | 8.6 mm | 9.1 mm |
| Height | 169.2 mm | 164.5 mm |
| Width | 78 mm | 76 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | — | Corning Gorilla Glass 3 |
| Colours | Charcoal, Mint, Cyan | Cross Black, Cross Blue |
| Display | ||
| Screen size | 6.8″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,600 px |
| Pixel density | 260 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 400 nits |
| Screen-to-body ratio | 83.4% | 81.6% |
| Performance | ||
| Chipset | Unisoc SC9863A | Unisoc T610 |
| Chip maker | Unisoc | Unisoc |
| Process | 28 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 1.8 GHz |
| GPU | IMG8322 | Mali-G52 MP2 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 32 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | — | f/2.2 |
| Main sensor size | — | 1/3.06" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,050 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 10 W | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4.2 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| Satellite navigation | — | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Rear |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| SAR (head) | 0.35 W/kg | — |
| Software | ||
| OS at launch | Android 12 | Android 10/ Android 11 |
| Platform | Android | Android |
| Interface | — | realme UI |
