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- U680S vs C21Y
Energizer U680S vs Realme C21Y
What U680S does better (3) and where C21Y wins (7) — every spec side by side.
Why is U680S better than C21Y?
- Battery capacity7,000 mAh vs 5,000 mAh+40%
- Rear cameras2 vs 12×
- Screen size6.8″ vs 6.5″+5%
Why is C21Y better than U680S?
- RAM2 GB vs 4 GB2×
- Storage (max)32 GB vs 64 GB2×
- Process28 nm vs 12 nm2.3×
- Dual SIMNo · U680S: Yes
- CPU frequency1.6 GHz vs 1.8 GHz+12%
- Pixel density263 ppi vs 270 ppi+3%
- Bluetooth4 vs 5+25%
Specifications
Side by side
| Design | ||
| Weight | — | 200 g |
| Thickness | — | 9.1 mm |
| Height | — | 164.5 mm |
| Width | — | 76 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | — | Corning Gorilla Glass 3 |
| Colours | Green, Black | Cross Black, Cross Blue |
| Display | ||
| Screen size | 6.8″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,640 px | 1,600 px |
| Pixel density | 263 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 400 nits |
| Screen-to-body ratio | — | 81.6% |
| Performance | ||
| Chipset | Unisoc SC9863A | Unisoc T610 |
| Chip maker | Unisoc | Unisoc |
| Process | 28 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 1.8 GHz |
| GPU | IMG8322 | Mali-G52 MP2 |
| Memory | ||
| RAM | 2 GB | 4 GB |
| Storage (max) | 32 GB | 64 GB |
| Storage (base) | 32 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | — | f/2.2 |
| Main sensor size | — | 1/3.06" |
| Rear cameras | 2 | 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 |
| Battery | ||
| Battery capacity | 7,000 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4 | 5 |
| NFC | No | No |
| USB | USB Type-C 2.0 | microUSB 2.0 |
| USB version | 2 | — |
| Satellite navigation | — | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Rear |
| Sensors | Accelerometer, proximity | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 10/ Android 11 |
| Platform | Android | Android |
| Interface | — | realme UI |
