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- C51s vs Spark 30
Realme C51s vs Tecno Spark 30
What C51s does better (5) and where Spark 30 wins (9) — every spec side by side.
Dimensions
Size comparison
C51sSpark 30
| C51s | Spark 30 | Difference | |
|---|---|---|---|
| Height | 167.2 mm | 168 mm | −0.8 mm |
| Width | 76.7 mm | 76.4 mm | +0.3 mm |
| Thickness | 7.5 mm | 7.7 mm | −0.2 mm |
| Weight | 182 g | 193 g | −11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C51s better than Spark 30?
- Wired charging33 W vs 18 W+83%
- Weight182 g vs 193 g+6%
- Charged in 30 min54% vs 38%+42%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Thickness7.5 mm vs 7.7 mm+3%
Why is Spark 30 better than C51s?
- Storage (max)128 GB vs 256 GB2×
- Stereo speakersNo · C51s: Yes
- RAM6 GB vs 8 GB+33%
- Main camera50 MP vs 64 MP+28%
- Pixel density260 ppi vs 396 ppi+52%
- Selfie camera5 MP vs 13 MP2.6×
- Peak brightness560 nits vs 800 nits+43%
- CPU frequency1.8 GHz vs 2 GHz+11%
- Resolution (width)720 px vs 1,080 px+50%
Specifications
Side by side
| Design | ||
| Weight | 182 g | 193 g |
| Thickness | 7.5 mm | 7.7 mm |
| Height | 167.2 mm | 168 mm |
| Width | 76.7 mm | 76.4 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP54 | IP64 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | Shiny Green, Mighty Black | Stellar Shadow, Astral Ice, Magic Skin 3.0, Bumblebee Edition |
| Display | ||
| Screen size | 6.7″ | 6.8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,460 px |
| Pixel density | 260 ppi | 396 ppi |
| Refresh rate | 90 Hz | 90 Hz |
| Peak brightness | 560 nits | 800 nits |
| Screen-to-body ratio | 85.5% | 85% |
| Performance | ||
| Chipset | Unisoc Tiger T612 | Mediatek Helio G91 |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2 GHz |
| GPU | Mali-G57 | Mali-G52 MC2 |
| AnTuTu score | — | 354,158 |
| Geekbench 6 (multi-core) | — | 1,442 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 64 MP |
| Main camera aperture | f/1.8 | — |
| Main sensor size | 1/2.76" | 1/1.73" |
| 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 | 13 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | 33 W | 18 W |
| Charged in 30 min | 54% | 38% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| USB version | — | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted); unspecified sensors |
| Software | ||
| OS at launch | Android 13 | Android 14 |
| Platform | Android | Android |
| Interface | realme UI T Edition | HIOS 14.5 |
