- android.gs
- Compare
- Armor X8i vs Y21s
UleFone Armor X8i vs Vivo Y21s
What Armor X8i does better (1) and where Y21s wins (11) — every spec side by side.
Dimensions
Size comparison
Armor X8iY21s
| Armor X8i | Y21s | Difference | |
|---|---|---|---|
| Height | 160.3 mm | 164.3 mm | −4 mm |
| Width | 79 mm | 76.1 mm | +2.9 mm |
| Thickness | 13.8 mm | 8 mm | +5.8 mm |
| Weight | 256 g | 182 g | +74 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Armor X8i better than Y21s?
- Pixel density282 ppi vs 270 ppi+4%
Why is Y21s better than Armor X8i?
- Main camera13 MP vs 50 MP3.8×
- RAM3 GB vs 6 GB2×
- Storage (max)32 GB vs 128 GB4×
- Wired charging10 W vs 18 W+80%
- Storage (base)32 GB vs 128 GB4×
- Weight256 g vs 182 g+41%
- Screen size5.7″ vs 6.5″+14%
- CPU frequency1.8 GHz vs 2 GHz+11%
- Thickness13.8 mm vs 8 mm+73%
- Screen-to-body ratio66.2% vs 81.8%+24%
- Main camera aperturef/2.2 vs f/1.8+22%
Specifications
Side by side
| Design | ||
| Weight | 256 g | 182 g |
| Thickness | 13.8 mm | 8 mm |
| Height | 160.3 mm | 164.3 mm |
| Width | 79 mm | 76.1 mm |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Orange, Red | Midnight Blue, Pearl White |
| Display | ||
| Screen size | 5.7″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,440 px | 1,600 px |
| Pixel density | 282 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 66.2% | 81.8% |
| Performance | ||
| Chipset | Mediatek MT6762D Helio A25 | Mediatek MT6769V/CU Helio G80 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2 GHz |
| GPU | PowerVR GE8320 | Mali-G52 MC2 |
| Memory | ||
| RAM | 3 GB | 6 GB |
| Storage (max) | 32 GB | 128 GB |
| Storage (base) | 32 GB | 128 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 50 MP |
| Main camera aperture | f/2.2 | 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 | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,080 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 10 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| 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 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | — | 0.83 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | — | Funtouch 11.1 |
