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- 1S (2021) vs Blade A31
alcatel 1S (2021) vs ZTE Blade A31
What 1S (2021) does better (10) and where Blade A31 wins (3) — every spec side by side.
Dimensions
Size comparison
1S (2021)Blade A31
| 1S (2021) | Blade A31 | Difference | |
|---|---|---|---|
| Height | 165.6 mm | 140 mm | +25.6 mm |
| Width | 75.6 mm | 71 mm | +4.6 mm |
| Thickness | 8.8 mm | 8.9 mm | −0.1 mm |
| Weight | 190 g | 166 g | +24 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 1S (2021) better than Blade A31?
- Battery capacity4,000 mAh vs 3,000 mAh+33%
- Main camera13 MP vs 8 MP+62%
- RAM3 GB vs 2 GB+50%
- Selfie camera5 MP vs 2 MP2.5×
- Process12 nm vs 28 nm2.3×
- Max video1080p vs 720p
- Screen size6.5″ vs 5.4″+20%
- CPU frequency1.8 GHz vs 1.6 GHz+12%
- Bluetooth5 vs 4.2+19%
- Screen-to-body ratio82% vs 77.1%+6%
Why is Blade A31 better than 1S (2021)?
- NFCNo · 1S (2021): Yes
- Weight190 g vs 166 g+14%
- Pixel density269 ppi vs 295 ppi+10%
Specifications
Side by side
| Design | ||
| Weight | 190 g | 166 g |
| Thickness | 8.8 mm | 8.9 mm |
| Height | 165.6 mm | 140 mm |
| Width | 75.6 mm | 71 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Colours | Elegant Black, Twilight Blue | Blue, Gray |
| Display | ||
| Screen size | 6.5″ | 5.4″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,440 px |
| Pixel density | 269 ppi | 295 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 82% | 77.1% |
| Performance | ||
| Chipset | Mediatek MT6762D Helio P22 | Unisoc SC9863A |
| Chip maker | MediaTek | Unisoc |
| Process | 12 nm | 28 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 1.6 GHz |
| GPU | PowerVR GE8320 | IMG8322 |
| Memory | ||
| RAM | 3 GB | 2 GB |
| Storage (max) | 32 GB | 32 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 | 8 MP |
| Main camera aperture | f/2 | — |
| Main sensor size | 1/3.06" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 720p |
| Selfie camera | 5 MP | 2 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 4,000 mAh | 3,000 mAh |
| Battery type | Li-Po | Li-Ion |
| Wired charging | 10 W | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 4.2 |
| NFC | No | Yes |
| USB | microUSB 2.0 | microUSB 2.0 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | — |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Accelerometer |
| Software | ||
| OS at launch | Android 11 | Android 11 (Go edition) |
| Platform | Android | Android |
