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- C21 vs C30
Realme C21 vs Realme C30
What C21 does better (2) and where C30 wins (3) — every spec side by side.
Dimensions
Size comparison
C21C30
| C21 | C30 | Difference | |
|---|---|---|---|
| Height | 165.2 mm | 164.1 mm | +1.1 mm |
| Width | 76.4 mm | 75.6 mm | +0.8 mm |
| Thickness | 8.9 mm | 8.5 mm | +0.4 mm |
| Weight | 190 g | 182 g | +8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C21 better than C30?
- Main camera13 MP vs 8 MP+62%
- CPU frequency2.3 GHz vs 1.8 GHz+28%
Why is C30 better than C21?
- Weight190 g vs 182 g+4%
- Main camera aperturef/2.2 vs f/2+10%
- Thickness8.9 mm vs 8.5 mm+5%
Specifications
Side by side
| Design | ||
| Weight | 190 g | 182 g |
| Thickness | 8.9 mm | 8.5 mm |
| Height | 165.2 mm | 164.1 mm |
| Width | 76.4 mm | 75.6 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Cross Black, Cross Blue | Lake Blue, Bamboo Green |
| Display | ||
| Screen size | 6.5″ | 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 | 270 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 400 nits | 400 nits |
| Screen-to-body ratio | 80.8% | 82.2% |
| Performance | ||
| Chipset | Mediatek MT6765G Helio G35 | Unisoc Tiger T612 |
| Chip maker | MediaTek | Unisoc |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 1.8 GHz |
| GPU | PowerVR GE8320 | Mali-G57 |
| AnTuTu score | — | 334,150 |
| Geekbench 6 (multi-core) | — | 1,556 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 64 GB | 64 GB |
| Storage (base) | 32 GB | 32 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 8 MP |
| Main camera aperture | f/2.2 | f/2 |
| Main sensor size | 1/3.06" | 1/4.0" |
| 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 | 5,000 mAh | 5,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | 10 W | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| USB version | — | 2 |
| Satellite navigation | GLONASS, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | — |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Accelerometer, proximity |
| SAR (head) | — | 1.02 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 11 |
| Platform | Android | Android |
| Interface | — | Realme UI Go |









