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- J4 vs Cool 3 Plus
BLU J4 vs Coolpad Cool 3 Plus
What J4 does better (1) and where Cool 3 Plus wins (10) — every spec side by side.
vs
2.7Display3.0
2.2Camera3.4
2.4Features2.9
Dimensions
Size comparison
J4Cool 3 Plus
| J4 | Cool 3 Plus | Difference | |
|---|---|---|---|
| Height | 151 mm | 145.7 mm | +5.3 mm |
| Width | 72.3 mm | 70.9 mm | +1.4 mm |
| Thickness | 10 mm | 8.2 mm | +1.8 mm |
| Weight | 158 g | 135 g | +23 g |
Drawn to the same scale from the official dimensions (front and side).
Why is J4 better than Cool 3 Plus?
- Storage (base)32 GB vs 16 GB2×
Why is Cool 3 Plus better than J4?
- RAM1 GB vs 3 GB3×
- Battery capacity2,200 mAh vs 3,000 mAh+36%
- Main camera8 MP vs 13 MP+62%
- CPU frequency1.3 GHz vs 2 GHz+54%
- Max video720p vs 1080p
- Weight158 g vs 135 g+17%
- Screen size5.5″ vs 5.7″+4%
- Thickness10 mm vs 8.2 mm+22%
- Bluetooth4.1 vs 5+22%
- Screen-to-body ratio71.5% vs 78.8%+10%
Specifications
Side by side
| Design | ||
| Weight | 158 g | 135 g |
| Thickness | 10 mm | 8.2 mm |
| Height | 151 mm | 145.7 mm |
| Width | 72.3 mm | 70.9 mm |
| Colours | Blue, Black, Brown | Ocean Blue, Cherry Black |
| Display | ||
| Screen size | 5.5″ | 5.7″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,440 px | 1,520 px |
| Pixel density | 293 ppi | 295 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 71.5% | 78.8% |
| Performance | ||
| Chipset | Processor clock: 1.30 GHz | Mediatek MT6761 Helio A22 |
| Chip maker | — | MediaTek |
| Process | — | 12 nm |
| CPU cores | 4 | 4 |
| CPU frequency | 1.3 GHz | 2 GHz |
| GPU | Mali-400 | PowerVR GE8320 |
| Memory | ||
| RAM | 1 GB | 3 GB |
| Storage (max) | 32 GB | 32 GB |
| Storage (base) | 32 GB | 16 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 13 MP |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 720p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 2,200 mAh | 3,000 mAh |
| Battery type | Li-Po | Li-Ion |
| Wireless charging | No | — |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4.1 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Rear |
| Sensors | Accelerometer | Fingerprint (rear-mounted), accelerometer, proximity |
| Software | ||
| OS at launch | Android 8.1 Oreo (Go edition) | Android 9.0 (Pie) |
| Platform | Android | Android |
