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- Z1 vs Blade A31
Lava Z1 vs ZTE Blade A31
What Z1 does better (5) and where Blade A31 wins (11) — every spec side by side.
Dimensions
Size comparison
Z1Blade A31
| Z1 | Blade A31 | Difference | |
|---|---|---|---|
| Height | 145.1 mm | 140 mm | +5.1 mm |
| Width | 73.3 mm | 71 mm | +2.3 mm |
| Thickness | 10.3 mm | 8.9 mm | +1.4 mm |
| Weight | 175 g | 166 g | +9 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Z1 better than Blade A31?
- Battery capacity3,100 mAh vs 3,000 mAh+3%
- Selfie camera5 MP vs 2 MP2.5×
- Process12 nm vs 28 nm2.3×
- CPU frequency1.8 GHz vs 1.6 GHz+12%
- Bluetooth5 vs 4.2+19%
Why is Blade A31 better than Z1?
- Main camera5 MP vs 8 MP+60%
- Storage (max)16 GB vs 32 GB2×
- NFCNo · Z1: Yes
- Pixel density196 ppi vs 295 ppi+51%
- CPU cores4 vs 82×
- Storage (base)16 GB vs 32 GB2×
- Screen size5″ vs 5.4″+9%
- Weight175 g vs 166 g+5%
- Resolution (width)480 px vs 720 px+50%
- Screen-to-body ratio64.8% vs 77.1%+19%
- Thickness10.3 mm vs 8.9 mm+16%
Specifications
Side by side
| Design | ||
| Weight | 175 g | 166 g |
| Thickness | 10.3 mm | 8.9 mm |
| Height | 145.1 mm | 140 mm |
| Width | 73.3 mm | 71 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Blue, Red | Blue, Gray |
| Display | ||
| Screen size | 5″ | 5.4″ |
| Panel | TFT LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 480 px | 720 px |
| Resolution (height) | 854 px | 1,440 px |
| Pixel density | 196 ppi | 295 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 64.8% | 77.1% |
| Performance | ||
| Chipset | Mediatek MT6761 Helio A20 | Unisoc SC9863A |
| Chip maker | MediaTek | Unisoc |
| Process | 12 nm | 28 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 1.8 GHz | 1.6 GHz |
| GPU | PowerVR GE8320 | IMG8322 |
| Memory | ||
| RAM | 2 GB | 2 GB |
| Storage (max) | 16 GB | 32 GB |
| Storage (base) | 16 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 5 MP | 8 MP |
| Main camera aperture | f/2.2 | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 720p | 720p |
| Selfie camera | 5 MP | 2 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 3,100 mAh | 3,000 mAh |
| Battery type | Li-Po | Li-Ion |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | 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 | microUSB 2.0 |
| Satellite navigation | — | GLONASS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer | Accelerometer |
| Software | ||
| OS at launch | Android 10 (Go edition) | Android 11 (Go edition) |
| Platform | Android | Android |
| Interface | — | Stock Android |
