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- Aura 2 vs 503
HMD Aura 2 vs TCL 503
What Aura 2 does better (6) and where 503 wins (4) — every spec side by side.
Dimensions
Size comparison
Aura 2503
| Aura 2 | 503 | Difference | |
|---|---|---|---|
| Height | 166.4 mm | 163.9 mm | +2.5 mm |
| Width | 76.9 mm | 75.5 mm | +1.4 mm |
| Thickness | 9 mm | 8.9 mm | +0.1 mm |
| Weight | 185 g | 186 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Aura 2 better than 503?
- Storage (max)256 GB vs 64 GB4×
- Main camera13 MP vs 8 MP+62%
- RAM4 GB vs 3 GB+33%
- Storage (base)256 GB vs 64 GB4×
- Peak brightness460 nits vs 350 nits+31%
- Bluetooth5.2 vs 4.2+24%
Why is 503 better than Aura 2?
- Pixel density215 ppi vs 267 ppi+24%
- Dual SIMNo · Aura 2: Yes
- Resolution (width)576 px vs 720 px+25%
- Screen-to-body ratio80.2% vs 84.6%+5%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 186 g |
| Thickness | 9 mm | 8.9 mm |
| Height | 166.4 mm | 163.9 mm |
| Width | 76.9 mm | 75.5 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Colours | Midnight Black, Icy Blue, Electric Purple | Space Gray, Midnight Blue |
| Display | ||
| Screen size | 6.5″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 576 px | 720 px |
| Resolution (height) | 1,280 px | 1,612 px |
| Pixel density | 215 ppi | 267 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 460 nits | 350 nits |
| Screen-to-body ratio | 80.2% | 84.6% |
| Performance | ||
| Chipset | Unisoc SC9863A | Unisoc SC9863A |
| Chip maker | Unisoc | Unisoc |
| Process | 28 nm | 28 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 1.6 GHz |
| GPU | IMG8322 | PowerVR GE8322 |
| Memory | ||
| RAM | 4 GB | 3 GB |
| Storage (max) | 256 GB | 64 GB |
| Storage (base) | 256 GB | 64 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 8 MP |
| Main camera aperture | — | f/2 |
| Main sensor size | — | 1/4.0" |
| Rear cameras | 1 | 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 | 5,000 mAh | 5,000 mAh |
| Wired charging | 10 W | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.2 | 4.2 |
| NFC | No | No |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | GALILEO | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Rear |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity | Fingerprint (rear-mounted), accelerometer |
| Software | ||
| OS at launch | Android 14 (Go edition) | Android 14 (Go edition) |
| Platform | Android | Android |
