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- P4x 4G vs Y21
Realme P4x 4G vs Vivo Y21
What P4x 4G does better (4) and where Y21 wins (11) — every spec side by side.
Dimensions
Size comparison
P4x 4GY21
| P4x 4G | Y21 | Difference | |
|---|---|---|---|
| Height | 166.5 mm | 167.4 mm | −0.9 mm |
| Width | 78.2 mm | 77.1 mm | +1.1 mm |
| Thickness | 8.8 mm | 8.4 mm | +0.4 mm |
| Weight | 219 g | 209 g | +10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is P4x 4G better than Y21?
- Battery capacity8,000 mAh vs 6,500 mAh+23%
- Wired charging45 W vs 44 W+2%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Screen-to-body ratio86.8% vs 85%+2%
Why is Y21 better than P4x 4G?
- NFCNo · P4x 4G: Yes
- Stereo speakersNo · P4x 4G: Yes
- RAM6 GB vs 8 GB+33%
- Peak brightness700 nits vs 1,200 nits+71%
- CPU frequency1.8 GHz vs 2.4 GHz+33%
- Water resistance (IPx)IPx4 vs IPx5+25%
- Process12 nm vs 6 nm2×
- Storage (base)64 GB vs 128 GB2×
- Weight219 g vs 209 g+5%
- Pixel density254 ppi vs 260 ppi+2%
- Thickness8.8 mm vs 8.4 mm+5%
Specifications
Side by side
| Design | ||
| Weight | 219 g | 209 g |
| Thickness | 8.8 mm | 8.4 mm |
| Height | 166.5 mm | 167.4 mm |
| Width | 78.2 mm | 77.1 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP64 | IP65 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Glass protection | Panda MN228 | — |
| Colours | Phantom Blue, Rally White | Champagne Gold, Midnight Blue |
| Display | ||
| Screen size | 6.8″ | 6.7″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,570 px | 1,600 px |
| Pixel density | 254 ppi | 260 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 700 nits | 1,200 nits |
| Screen-to-body ratio | 86.8% | 85% |
| Performance | ||
| Chipset | Unisoc T7250 | Mediatek Dimensity 6300 |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2.4 GHz |
| GPU | Mali-G57 MP1 | Mali-G57 MC2 |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Rear cameras | 1 | 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 | No |
| Battery | ||
| Battery capacity | 8,000 mAh | 6,500 mAh |
| Battery type | — | Li-Ion |
| Wired charging | 45 W | 44 W |
| Charged in 30 min | — | 42% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5.2 | — |
| NFC | No | 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 | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | — | OriginOS 6 |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,600 |
| Endurance per cycle | — | 67 h |
| Repairability class | — | C |
| Drop resistance class | — | A |
