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- B40 vs Blade A51
Caterpillar B40 vs ZTE Blade A51
What B40 does better (2) and where Blade A51 wins (7) — every spec side by side.
Dimensions
Size comparison
B40Blade A51
| B40 | Blade A51 | Difference | |
|---|---|---|---|
| Height | 145 mm | 166.5 mm | −21.5 mm |
| Width | 62 mm | 75.6 mm | −13.6 mm |
| Thickness | 18 mm | 8.5 mm | +9.5 mm |
| Weight | 157 g | 174 g | −17 g |
Drawn to the same scale from the official dimensions (front and side).
Why is B40 better than Blade A51?
- Weight157 g vs 174 g+11%
- Bluetooth5 vs 4.2+19%
Why is Blade A51 better than B40?
- Main camera2 MP vs 13 MP6.5×
- Battery capacity1,800 mAh vs 3,200 mAh+78%
- Screen size2.4″ vs 6.5″2.7×
- NFCNo · B40: Yes
- Resolution (width)240 px vs 720 px3×
- Thickness18 mm vs 8.5 mm2.1×
- Rear cameras1 vs 22×
Specifications
Side by side
| Design | ||
| Weight | 157 g | 174 g |
| Thickness | 18 mm | 8.5 mm |
| Height | 145 mm | 166.5 mm |
| Width | 62 mm | 75.6 mm |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black | Blue, Gray |
| Display | ||
| Screen size | 2.4″ | 6.5″ |
| Panel | Farb-Display | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 240 px | 720 px |
| Resolution (height) | 320 px | 1,600 px |
| Pixel density | — | 269 ppi |
| Refresh rate | — | 60 Hz |
| Screen-to-body ratio | — | 81.5% |
| Performance | ||
| Chipset | Unisoc T117 | Unisoc SC9863A |
| Chip maker | Unisoc | Unisoc |
| Process | — | 28 nm |
| CPU cores | — | 8 |
| CPU frequency | — | 1.6 GHz |
| GPU | — | IMG8322 |
| Memory | ||
| RAM | — | 2 GB |
| Storage (max) | — | 64 GB |
| Storage (base) | — | 32 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 2 MP | 13 MP |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | — | 1080p |
| Selfie camera | — | 5 MP |
| Battery | ||
| Battery capacity | 1,800 mAh | 3,200 mAh |
| Battery type | — | Li-Ion |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | — | Wi-Fi 4 |
| Bluetooth | 5 | 4.2 |
| NFC | No | Yes |
| USB | — | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | — | GLONASS |
| Features | ||
| Stereo speakers | — | No |
| 3.5 mm headphone jack | — | Yes |
| Fingerprint sensor | — | Rear |
| Sensors | — | Fingerprint (rear-mounted), accelerometer, proximity |
| Software | ||
| OS at launch | — | Android 11 (Go edition) |
| Platform | — | Android |
