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- 1 (2021) vs Z1
alcatel 1 (2021) vs Lava Z1
What 1 (2021) does better (4) and where Z1 wins (8) — every spec side by side.
Dimensions
Size comparison
1 (2021)Z1
| 1 (2021) | Z1 | Difference | |
|---|---|---|---|
| Height | 137.6 mm | 145.1 mm | −7.5 mm |
| Width | 65.7 mm | 73.3 mm | −7.6 mm |
| Thickness | 9.8 mm | 10.3 mm | −0.5 mm |
| Weight | 134 g | 175 g | −41 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 1 (2021) better than Z1?
- Weight134 g vs 175 g+31%
- Pixel density215 ppi vs 196 ppi+10%
- Screen-to-body ratio71.4% vs 64.8%+10%
- Thickness9.8 mm vs 10.3 mm+5%
Why is Z1 better than 1 (2021)?
- RAM1 GB vs 2 GB2×
- Battery capacity2,000 mAh vs 3,100 mAh+55%
- Selfie camera2 MP vs 5 MP2.5×
- CPU frequency1.28 GHz vs 1.8 GHz+41%
- Process28 nm vs 12 nm2.3×
- Storage (base)8 GB vs 16 GB2×
- Bluetooth4.2 vs 5+19%
- Main camera aperturef/2.4 vs f/2.2+9%
Specifications
Side by side
| Design | ||
| Weight | 134 g | 175 g |
| Thickness | 9.8 mm | 10.3 mm |
| Height | 137.6 mm | 145.1 mm |
| Width | 65.7 mm | 73.3 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | Asahi Glass | Corning Gorilla Glass 3 |
| Colours | Volcano Black, AI Aqua | Blue, Red |
| Display | ||
| Screen size | 5″ | 5″ |
| Panel | TFT LCD | TFT LCD |
| OLED panel | No | No |
| Resolution (width) | 480 px | 480 px |
| Resolution (height) | 960 px | 854 px |
| Pixel density | 215 ppi | 196 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 71.4% | 64.8% |
| Performance | ||
| Chipset | Mediatek MT6739 | Mediatek MT6761 Helio A20 |
| Chip maker | MediaTek | MediaTek |
| Process | 28 nm | 12 nm |
| CPU cores | 4 | 4 |
| CPU frequency | 1.28 GHz | 1.8 GHz |
| GPU | PowerVR GE8100 | PowerVR GE8320 |
| Memory | ||
| RAM | 1 GB | 2 GB |
| Storage (max) | 16 GB | 16 GB |
| Storage (base) | 8 GB | 16 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 5 MP | 5 MP |
| Main camera aperture | f/2.4 | f/2.2 |
| Main sensor size | 1/5.0" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 720p | 720p |
| Selfie camera | 2 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 2,000 mAh | 3,100 mAh |
| Battery type | Li-Ion | Li-Po |
| 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 | 4.2 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer, proximity | Accelerometer |
| Software | ||
| OS at launch | Android 11 (Go edition) | Android 10 (Go edition) |
| Platform | Android | Android |
