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- Smart 20 vs A75x
Infinix Smart 20 vs Umidigi A75x
What Smart 20 does better (12) and where A75x wins (1) — every spec side by side.
Dimensions
Size comparison
Smart 20A75x
| Smart 20 | A75x | Difference | |
|---|---|---|---|
| Height | 167.7 mm | 168.3 mm | −0.6 mm |
| Width | 78.8 mm | 78 mm | +0.8 mm |
| Thickness | 7.7 mm | 8.1 mm | −0.4 mm |
| Weight | 185 g | 190 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Smart 20 better than A75x?
- Wired charging15 W vs 10 W+50%
- Storage (max)128 GB vs 64 GB2×
- NFCYes · A75x: No
- Refresh rate120 Hz vs 90 Hz+33%
- Battery capacity5,200 mAh vs 5,000 mAh+4%
- Peak brightness700 nits vs 550 nits+27%
- CPU frequency2 GHz vs 1.6 GHz+25%
- Process12 nm vs 22 nm+83%
- Weight185 g vs 190 g+3%
- Selfie camera8 MP vs 5 MP+60%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Thickness7.7 mm vs 8.1 mm+5%
Why is A75x better than Smart 20?
- Main camera8 MP vs 13 MP+62%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 190 g |
| Thickness | 7.7 mm | 8.1 mm |
| Height | 167.7 mm | 168.3 mm |
| Width | 78.8 mm | 78 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP64 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange | Black, Titanium, Cyan, Green |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,576 px | 1,600 px |
| Pixel density | 259 ppi | 260 ppi |
| Refresh rate | 120 Hz | 90 Hz |
| Peak brightness | 700 nits | 550 nits |
| Screen-to-body ratio | 82.9% | 83.8% |
| Performance | ||
| Chipset | Mediatek Helio G81 Ultimate | Unisoc SC9863A1 |
| Chip maker | MediaTek | Unisoc |
| Process | 12 nm | 22 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 1.6 GHz |
| GPU | Mali-G52 MC2 | IMG8322 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 13 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 | 1080p |
| Selfie camera | 8 MP | 5 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,200 mAh | 5,000 mAh |
| Wired charging | 15 W | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | — | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | — | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 (Go edition) |
| Platform | Android | Android |
| Interface | XOS 16 | — |








