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- Smart 20 vs C18 Pro Max
Infinix Smart 20 vs Oukitel C18 Pro Max
What Smart 20 does better (7) and where C18 Pro Max wins (7) — every spec side by side.
vs
5.9Display5.6
3.2Camera3.4
5.8Battery4.6
4.5Features5.0
Dimensions
Size comparison
Smart 20C18 Pro Max
| Smart 20 | C18 Pro Max | Difference | |
|---|---|---|---|
| Height | 167.7 mm | 163.8 mm | +3.9 mm |
| Width | 78.8 mm | 78.3 mm | +0.5 mm |
| Thickness | 7.7 mm | 8.8 mm | −1.1 mm |
| Weight | 185 g | 205 g | −20 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Smart 20 better than C18 Pro Max?
- Battery capacity5,200 mAh vs 5,000 mAh+4%
- Peak brightness700 nits vs 500 nits+40%
- 3.5 mm headphone jackYes · C18 Pro Max: No
- CPU frequency2 GHz vs 1.8 GHz+11%
- Weight185 g vs 205 g+11%
- Pixel density259 ppi vs 249 ppi+4%
- Thickness7.7 mm vs 8.8 mm+14%
Why is C18 Pro Max better than Smart 20?
- Main camera8 MP vs 13 MP+62%
- RAM4 GB vs 6 GB+50%
- Storage (max)128 GB vs 256 GB2×
- Wired charging15 W vs 18 W+20%
- Storage (base)64 GB vs 128 GB2×
- Rear cameras1 vs 22×
- Screen-to-body ratio82.9% vs 91.1%+10%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 205 g |
| Thickness | 7.7 mm | 8.8 mm |
| Height | 167.7 mm | 163.8 mm |
| Width | 78.8 mm | 78.3 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP64 | — |
| Water resistance (IPx) | IPx4 | — |
| Glass protection | — | Panda Glass |
| Colours | Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange | Light Blue, Silver, Black, Red |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| Panel | IPS LCD | TFT LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,576 px | 1,560 px |
| Pixel density | 259 ppi | 249 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 700 nits | 500 nits |
| Screen-to-body ratio | 82.9% | 91.1% |
| Performance | ||
| Chipset | Mediatek Helio G81 Ultimate | Unisoc T615 |
| Chip maker | MediaTek | Unisoc |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 1.8 GHz |
| GPU | Mali-G52 MC2 | Mali-G57 MP1 |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 64 GB | 128 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" | 1/3.06" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,200 mAh | 5,000 mAh |
| Battery type | — | Li-Po |
| Wired charging | 15 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | — | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | — | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | No |
| 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 |
| Platform | Android | Android |
| Interface | XOS 16 | — |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 54 h |
| Repairability class | — | B |
| Drop resistance class | — | B |
