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- C51 vs S17 Pro
Realme C51 vs Vivo S17 Pro
What C51 does better (4) and where S17 Pro wins (23) — every spec side by side.
Dimensions
Size comparison
C51S17 Pro
| C51 | S17 Pro | Difference | |
|---|---|---|---|
| Height | 167.2 mm | 164.2 mm | +3 mm |
| Width | 76.7 mm | 74.4 mm | +2.3 mm |
| Thickness | 8 mm | 7.5 mm | +0.5 mm |
| Weight | 186 g | 188 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C51 better than S17 Pro?
- Battery capacity5,000 mAh vs 4,600 mAh+9%
- Memory card slotYes · S17 Pro: No
- 3.5 mm headphone jackYes · S17 Pro: No
- Main camera aperturef/1.8 vs f/1.9+6%
Why is S17 Pro better than C51?
- Wired charging33 W vs 80 W2.4×
- RAM6 GB vs 12 GB2×
- Peak brightness560 nits vs 1,300 nits2.3×
- OLED panelNo · C51: Yes
- Storage (max)256 GB vs 512 GB2×
- Optical stabilisationNo · C51: Yes
- Telephoto cameraNo · C51: Yes
- 5GNo · C51: Yes
- Refresh rate90 Hz vs 120 Hz+33%
- Pixel density260 ppi vs 452 ppi+74%
- CPU frequency1.8 GHz vs 3.1 GHz+72%
- Process12 nm vs 4 nm3×
Specifications
Side by side
| Design | ||
| Weight | 186 g | 188 g |
| Thickness | 8 mm | 7.5 mm |
| Height | 167.2 mm | 164.2 mm |
| Width | 76.7 mm | 74.4 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Colours | Mint Green, Carbon Black | Black, Blue, Silver |
| Display | ||
| Screen size | 6.7″ | 6.8″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,260 px |
| Resolution (height) | 1,600 px | 2,800 px |
| Pixel density | 260 ppi | 452 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Peak brightness | 560 nits | 1,300 nits |
| Screen-to-body ratio | 85.5% | 91.2% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Unisoc Tiger T612 | Mediatek Dimensity 8200 |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 3.1 GHz |
| GPU | Mali-G57 | Mali-G610 MC6 |
| AnTuTu score | 342,790 | — |
| Geekbench 6 (multi-core) | 1,476 | — |
| Memory | ||
| RAM | 6 GB | 12 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 64 GB | 256 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/1.9 |
| Main sensor size | 1/2.76" | 1/1.56" |
| Rear cameras | 1 | 3 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | Yes |
| Optical zoom | — | 2× |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 5 MP | 50 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,600 mAh |
| Battery type | Li-Po | — |
| Wired charging | 33 W | 80 W |
| Charged in 30 min | 54% | 70% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5 | 5.3 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Under display |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| SAR (head) | 1.18 W/kg | — |
| Software | ||
| OS at launch | Android 13 | Android 13 |
| Platform | Android | Android |
| Interface | Realme UI T | OriginOS 3 |
