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- G51 Plus vs B40
BLU G51 Plus vs Cat B40
What G51 Plus does better (9) and where B40 wins (2) — every spec side by side.
Dimensions
Size comparison
G51 PlusB40
| G51 Plus | B40 | Difference | |
|---|---|---|---|
| Height | 165 mm | 145 mm | +20 mm |
| Width | 76.5 mm | 62 mm | +14.5 mm |
| Thickness | 9.3 mm | 18 mm | −8.7 mm |
| Weight | 200 g | 157 g | +43 g |
Drawn to the same scale from the official dimensions (front and side).
Why is G51 Plus better than B40?
- Battery capacity4,000 mAh vs 1,800 mAh2.2×
- Main camera13 MP vs 2 MP6.5×
- Screen size6.5″ vs 2.4″2.7×
- Pixel density270 ppi vs 167 ppi+62%
- Resolution (width)720 px vs 240 px3×
- Screen-to-body ratio80.8% vs 19.8%4.1×
- CPU cores8 vs 18×
- Dual SIMYes · B40: No
- Thickness9.3 mm vs 18 mm+94%
Why is B40 better than G51 Plus?
- Weight200 g vs 157 g+27%
- Bluetooth4.1 vs 5+22%
Specifications
Side by side
| Design | ||
| Weight | 200 g | 157 g |
| Thickness | 9.3 mm | 18 mm |
| Height | 165 mm | 145 mm |
| Width | 76.5 mm | 62 mm |
| Ingress protection | — | IP69 |
| Water resistance (IPx) | — | IPx9 |
| Colours | Black, Blue, Red, Green | Black |
| Display | ||
| Screen size | 6.5″ | 2.4″ |
| Panel | IPS LCD | TFT LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 240 px |
| Resolution (height) | 1,600 px | 320 px |
| Pixel density | 270 ppi | 167 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 80.8% | 19.8% |
| Performance | ||
| Chipset | Unisoc SC9863A | Unisoc T117 |
| Chip maker | Unisoc | Unisoc |
| CPU cores | 8 | 1 |
| CPU frequency | 1.6 GHz | — |
| GPU | IMG8322 @550 MHz | — |
| Memory | ||
| RAM | 3 GB | — |
| Storage (max) | 64 GB | — |
| Storage (base) | 64 GB | — |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 2 MP |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | — |
| Selfie camera | 8 MP | — |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 4,000 mAh | 1,800 mAh |
| Battery type | Li-Po | Li-Ion |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | No |
| Wi-Fi standard | Wi-Fi 4 | — |
| Bluetooth | 4.1 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | USB Type-C 2.0 |
| USB version | — | 2 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | — |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Accelerometer |
| Software | ||
| OS at launch | Android 11 | KaiOS 2.5 |
| Platform | Android | iOS |
