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- 3 (2025) vs Key
alcatel 3 (2025) vs HMD Key
What 3 (2025) does better (10) and where Key wins (1) — every spec side by side.
Dimensions
Size comparison
3 (2025)Key
| 3 (2025) | Key | Difference | |
|---|---|---|---|
| Height | 164.4 mm | 166.4 mm | −2 mm |
| Width | 75.8 mm | 76.9 mm | −1.1 mm |
| Thickness | 8.8 mm | 9 mm | −0.2 mm |
| Weight | 185 g | 185 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is 3 (2025) better than Key?
- RAM4 GB vs 2 GB2×
- Storage (max)128 GB vs 32 GB4×
- Battery capacity5,010 mAh vs 4,000 mAh+25%
- CPU frequency1.6 GHz vs 1.3 GHz+23%
- CPU cores8 vs 42×
- Storage (base)64 GB vs 32 GB2×
- Rear cameras2 vs 12×
- Dual SIMYes · Key: No
- Screen-to-body ratio82.4% vs 80.2%+3%
- Thickness8.8 mm vs 9 mm+2%
Why is Key better than 3 (2025)?
- Peak brightness400 nits vs 460 nits+15%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 185 g |
| Thickness | 8.8 mm | 9 mm |
| Height | 164.4 mm | 166.4 mm |
| Width | 75.8 mm | 76.9 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Ingress protection | — | IP52 |
| Water resistance (IPx) | — | IPx2 |
| Colours | Space Gray, Teal Blue | Black, Blue |
| Display | ||
| Screen size | 6.5″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 576 px | 576 px |
| Resolution (height) | 1,280 px | 1,280 px |
| Pixel density | 215 ppi | 215 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 400 nits | 460 nits |
| Screen-to-body ratio | 82.4% | 80.2% |
| Performance | ||
| Chipset | Unisoc SC9863A1 | Unisoc SC9832E |
| Chip maker | Unisoc | Unisoc |
| Process | 22 nm | — |
| CPU cores | 8 | 4 |
| CPU frequency | 1.6 GHz | 1.3 GHz |
| GPU | IMG8322 | Mali-820MP1 |
| Memory | ||
| RAM | 4 GB | 2 GB |
| Storage (max) | 128 GB | 32 GB |
| Storage (base) | 64 GB | 32 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 8 MP |
| Main camera aperture | f/1.8 | — |
| Main sensor size | 1/4.0" | — |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | — |
| Selfie camera | 5 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,010 mAh | 4,000 mAh |
| Wired charging | 10 W | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | No |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4.2 | 4.2 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO, BDS | GALILEO |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | — |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Accelerometer, proximity |
| Software | ||
| OS at launch | Android 15 (Go edition) | Android 14 (Go edition) |
| Platform | Android | Android |
