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- WP21 Ultra vs Y78
Oukitel WP21 Ultra vs Vivo Y78
What WP21 Ultra does better (8) and where Y78 wins (8) — every spec side by side.
vs
7.2Display8.3
6.3Camera7.7
9.3Battery6.5
5.6Features6.2
Dimensions
Size comparison
WP21 UltraY78
| WP21 Ultra | Y78 | Difference | |
|---|---|---|---|
| Height | 177.3 mm | 164.3 mm | +13 mm |
| Width | 84.3 mm | 74.8 mm | +9.5 mm |
| Thickness | 14.8 mm | 7.9 mm | +6.9 mm |
| Weight | 398 g | 177 g | +221 g |
Drawn to the same scale from the official dimensions (front and side).
Why is WP21 Ultra better than Y78?
- Battery capacity9,800 mAh vs 5,000 mAh+96%
- RAM12 GB vs 8 GB+50%
- Wired charging66 W vs 44 W+50%
- Water resistance (IPx)IPx8 vs IPx42×
- Rear cameras3 vs 13×
- Memory card slotYes · Y78: No
- Pixel density396 ppi vs 388 ppi+2%
- Selfie camera20 MP vs 16 MP+25%
Why is Y78 better than WP21 Ultra?
- Weight398 g vs 177 g2.2×
- OLED panelNo · WP21 Ultra: Yes
- Optical stabilisationNo · WP21 Ultra: Yes
- 5GNo · WP21 Ultra: Yes
- Thickness14.8 mm vs 7.9 mm+87%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
- Screen-to-body ratio73% vs 90.3%+24%
- Main camera aperturef/1.9 vs f/1.8+6%
Specifications
Side by side
| Design | ||
| Weight | 398 g | 177 g |
| Thickness | 14.8 mm | 7.9 mm |
| Height | 177.3 mm | 164.3 mm |
| Width | 84.3 mm | 74.8 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP68 | IP54 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Colours | Black | Flare Black, Dreamy Gold |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,460 px | 2,400 px |
| Pixel density | 396 ppi | 388 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 1,300 nits |
| Screen-to-body ratio | 73% | 90.3% |
| Performance | ||
| Chipset | Mediatek Helio G99 | Qualcomm SM6375 Snapdragon 695 5G |
| Chip maker | MediaTek | Qualcomm |
| Process | 6 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.2 GHz |
| GPU | Mali-G57 MC2 | Adreno 619 |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | UFS 2.2 | — |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.9 | f/1.8 |
| Rear cameras | 3 | 1 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 20 MP | 16 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 9,800 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 66 W | 44 W |
| Charged in 30 min | 60% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.1 |
| NFC | Yes | Yes |
| 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 | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Under display |
| Sensors | Unspecified | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 13 | Android 13 |
| Platform | Android | Android |
| Interface | — | Funtouch 13 |
