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- J4 vs Hardcase H242
BLU J4 vs Energizer Hardcase H242
What J4 does better (10) and where Hardcase H242 wins (0) — every spec side by side.
vs
2.8Display2.1
2.2Camera2.1
2.2Battery2.1
2.4Features4.1
Dimensions
Size comparison
J4Hardcase H242
| J4 | Hardcase H242 | Difference | |
|---|---|---|---|
| Height | 151 mm | 125.3 mm | +25.7 mm |
| Width | 72.3 mm | 54 mm | +18.3 mm |
| Thickness | 10 mm | 14.5 mm | −4.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is J4 better than Hardcase H242?
- RAM1 GB vs 0.25 GB4×
- Main camera8 MP vs 0.3 MP26.7×
- Battery capacity2,200 mAh vs 1,500 mAh+47%
- Screen size5.5″ vs 2.4″2.3×
- Pixel density293 ppi vs 167 ppi+75%
- Resolution (width)720 px vs 240 px3×
- Screen-to-body ratio71.5% vs 26.4%2.7×
- Selfie camera8 MP vs 0.3 MP26.7×
- Bluetooth4.1 vs 2.1+95%
- Thickness10 mm vs 14.5 mm+45%
Why is Hardcase H242 better than J4?
Hardcase H242 has no measurable advantages in this pair.
Specifications
Side by side
| Design | ||
| Weight | 158 g | — |
| Thickness | 10 mm | 14.5 mm |
| Height | 151 mm | 125.3 mm |
| Width | 72.3 mm | 54 mm |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Blue, Black, Brown | Black |
| Display | ||
| Screen size | 5.5″ | 2.4″ |
| Panel | IPS LCD | TFT LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 240 px |
| Resolution (height) | 1,440 px | 320 px |
| Pixel density | 293 ppi | 167 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 71.5% | 26.4% |
| Performance | ||
| Chipset | Processor clock: 1.30 GHz | Spreadtrum SC7731E |
| CPU cores | 4 | 4 |
| CPU frequency | 1.3 GHz | 1.3 GHz |
| GPU | Mali-400 | Mali-820 |
| Memory | ||
| RAM | 1 GB | 0.25 GB |
| Storage (max) | 32 GB | — |
| Storage (base) | 32 GB | — |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 0.3 MP |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 720p | — |
| Selfie camera | 8 MP | 0.3 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 2,200 mAh | 1,500 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 | 4.1 | 2.1 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer | — |
| Software | ||
| OS at launch | Android 8.1 Oreo (Go edition) | KaiOS 2.5.1 |
| Platform | Android | iOS |
