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- C100x vs Y51 Pro
Realme C100x vs Vivo Y51 Pro
What C100x does better (6) and where Y51 Pro wins (12) — every spec side by side.
Dimensions
Size comparison
C100xY51 Pro
| C100x | Y51 Pro | Difference | |
|---|---|---|---|
| Height | 166.5 mm | 166.6 mm | −0.1 mm |
| Width | 78.2 mm | 78.4 mm | −0.2 mm |
| Thickness | 8.6 mm | 8.4 mm | +0.2 mm |
| Weight | 219 g | 219 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is C100x better than Y51 Pro?
- NFCYes · Y51 Pro: No
- Battery capacity8,000 mAh vs 7,200 mAh+11%
- Wired charging45 W vs 44 W+2%
- Memory card slotYes · Y51 Pro: No
- 3.5 mm headphone jackYes · Y51 Pro: No
- Main camera aperturef/1.8 vs f/2+11%
Why is Y51 Pro better than C100x?
- Water resistance (IPx)IPx4 vs IPx82×
- 5GNo · C100x: Yes
- Stereo speakersNo · C100x: Yes
- RAM6 GB vs 8 GB+33%
- Process12 nm vs 4 nm3×
- Peak brightness900 nits vs 1,250 nits+39%
- CPU frequency1.8 GHz vs 2.5 GHz+39%
- Storage (base)64 GB vs 128 GB2×
- Max video1080p vs 4K
- Selfie camera5 MP vs 8 MP+60%
- Bluetooth5.2 vs 5.4+4%
- Thickness8.6 mm vs 8.4 mm+2%
Specifications
Side by side
| Design | ||
| Weight | 219 g | 219 g |
| Thickness | 8.6 mm | 8.4 mm |
| Height | 166.5 mm | 166.6 mm |
| Width | 78.2 mm | 78.4 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP64 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Glass protection | ArmorShell glass or Panda Glass | — |
| Colours | Golden Coast, Deepblue Tides | Festive Red, Noble Gold |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,570 px | 1,570 px |
| Pixel density | 254 ppi | 256 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 900 nits | 1,250 nits |
| Screen-to-body ratio | 86.8% | 85.3% |
| Performance | ||
| Chipset | Unisoc T7250 | Mediatek Dimensity 7360 Turbo |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2.5 GHz |
| GPU | Mali-G57 MP1 | Mali-G615 MC2 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 3.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/2 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 5 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 8,000 mAh | 7,200 mAh |
| Battery type | Si/C | Si/C |
| Wired charging | 45 W | 44 W |
| Charged in 30 min | — | 35% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | realme UI 5.0 | OriginOS 6 |
| EU label | ||
| Energy class | A | — |
| Battery charge cycles | 1,600 | — |
| Endurance per cycle | 91 h | — |
| Repairability class | C | — |
| Drop resistance class | B | — |
