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- Cool 3 Plus vs Smart HD 2021
Coolpad Cool 3 Plus vs Infinix Smart HD 2021
What Cool 3 Plus does better (8) and where Smart HD 2021 wins (3) — every spec side by side.
vs
3.0Display2.9
3.4Camera2.3
2.9Features2.4
Dimensions
Size comparison
Cool 3 PlusSmart HD 2021
| Cool 3 Plus | Smart HD 2021 | Difference | |
|---|---|---|---|
| Height | 145.7 mm | 158.3 mm | −12.6 mm |
| Width | 70.9 mm | 75.2 mm | −4.3 mm |
| Thickness | 8.2 mm | 9.8 mm | −1.6 mm |
| Weight | 135 g | 195 g | −60 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Cool 3 Plus better than Smart HD 2021?
- Main camera13 MP vs 8 MP+62%
- RAM3 GB vs 2 GB+50%
- Weight135 g vs 195 g+44%
- CPU frequency2 GHz vs 1.8 GHz+11%
- Pixel density295 ppi vs 282 ppi+5%
- Selfie camera8 MP vs 5 MP+60%
- Thickness8.2 mm vs 9.8 mm+20%
- Screen-to-body ratio78.8% vs 76.7%+3%
Why is Smart HD 2021 better than Cool 3 Plus?
- Battery capacity3,000 mAh vs 5,000 mAh+67%
- Storage (base)16 GB vs 32 GB2×
- Screen size5.7″ vs 6.1″+7%
Specifications
Side by side
| Design | ||
| Weight | 135 g | 195 g |
| Thickness | 8.2 mm | 9.8 mm |
| Height | 145.7 mm | 158.3 mm |
| Width | 70.9 mm | 75.2 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Colours | Ocean Blue, Cherry Black | Topaz Blue, Obsidian Black, Quartz Green |
| Display | ||
| Screen size | 5.7″ | 6.1″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,520 px | 1,560 px |
| Pixel density | 295 ppi | 282 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 500 nits |
| Screen-to-body ratio | 78.8% | 76.7% |
| Performance | ||
| Chipset | Mediatek MT6761 Helio A22 | Mediatek MT6761D Helio A20 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 4 | 4 |
| CPU frequency | 2 GHz | 1.8 GHz |
| GPU | PowerVR GE8320 | PowerVR GE8320 |
| Memory | ||
| RAM | 3 GB | 2 GB |
| Storage (max) | 32 GB | 32 GB |
| Storage (base) | 16 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 8 MP |
| Main camera aperture | — | f/2 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 5 MP |
| 4K selfie video | — | No |
| Battery | ||
| Battery capacity | 3,000 mAh | 5,000 mAh |
| Battery type | 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 | 5 | 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 | Rear |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Fingerprint (rear-mounted), accelerometer, proximity |
| SAR (head) | — | 0.53 W/kg |
| Software | ||
| OS at launch | Android 9.0 (Pie) | Android 10 (Go edition) |
| Platform | Android | Android |
| Interface | — | XOS 6.2 |
