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- Rock 5 vs Y51 Pro
Blackview Rock 5 vs Vivo Y51 Pro
What Rock 5 does better (11) and where Y51 Pro wins (10) — every spec side by side.
Dimensions
Size comparison
Rock 5Y51 Pro
| Rock 5 | Y51 Pro | Difference | |
|---|---|---|---|
| Height | 184 mm | 166.6 mm | +17.4 mm |
| Width | 83 mm | 78.4 mm | +4.6 mm |
| Thickness | 29.7 mm | 8.4 mm | +21.3 mm |
| Weight | 635 g | 219 g | +416 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Rock 5 better than Y51 Pro?
- Battery capacity20,000 mAh vs 7,200 mAh2.8×
- Main camera108 MP vs 50 MP2.2×
- RAM12 GB vs 8 GB+50%
- NFCYes · Y51 Pro: No
- Pixel density396 ppi vs 256 ppi+55%
- Selfie camera50 MP vs 8 MP6.2×
- Storage (base)256 GB vs 128 GB2×
- Memory card slotYes · Y51 Pro: No
- Rear cameras2 vs 12×
- Resolution (width)1,080 px vs 720 px+50%
- Main camera aperturef/1.9 vs f/2+5%
Why is Y51 Pro better than Rock 5?
- Weight635 g vs 219 g2.9×
- 5GNo · Rock 5: Yes
- Wired charging33 W vs 44 W+33%
- Peak brightness700 nits vs 1,250 nits+79%
- Thickness29.7 mm vs 8.4 mm3.5×
- Max video1080p vs 4K
- CPU frequency2.2 GHz vs 2.5 GHz+14%
- Process6 nm vs 4 nm+50%
- Screen-to-body ratio71.5% vs 85.3%+19%
- Bluetooth5.2 vs 5.4+4%
Specifications
Side by side
| Design | ||
| Weight | 635 g | 219 g |
| Thickness | 29.7 mm | 8.4 mm |
| Height | 184 mm | 166.6 mm |
| Width | 83 mm | 78.4 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Panda Glass | — |
| Colours | Black, Yellow | Festive Red, Noble Gold |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,460 px | 1,570 px |
| Pixel density | 396 ppi | 256 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 700 nits | 1,250 nits |
| Screen-to-body ratio | 71.5% | 85.3% |
| Performance | ||
| Chipset | Mediatek Helio G100 | Mediatek Dimensity 7360 Turbo |
| Chip maker | MediaTek | MediaTek |
| Process | 6 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.5 GHz |
| GPU | Mali-G57 MC2 | Mali-G615 MC2 |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 256 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 3.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 108 MP | 50 MP |
| Main camera aperture | f/1.9 | f/2 |
| Main sensor size | 1/1.67" | — |
| Rear cameras | 2 | 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 | 50 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 20,000 mAh | 7,200 mAh |
| Battery type | Li-Po | Si/C |
| Wired charging | 33 W | 44 W |
| Charged in 30 min | — | 35% |
| Wireless charging | No | No |
| Wireless charging power | 15 W | — |
| 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 | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | DokeOS 5.0 | OriginOS 6 |
| EU label | ||
| Energy class | B | — |
| Battery charge cycles | 800 | — |
| Endurance per cycle | 190 h | — |
| Repairability class | B | — |
| Drop resistance class | A | — |



