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- Smart 20 vs Redmi 15a
Infinix Smart 20 vs Xiaomi Redmi 15a
What Smart 20 does better (4) and where Redmi 15a wins (7) — every spec side by side.
Dimensions
Size comparison
Smart 20Redmi 15a
| Smart 20 | Redmi 15a | Difference | |
|---|---|---|---|
| Height | 167.7 mm | 171.6 mm | −3.9 mm |
| Width | 78.8 mm | 79.5 mm | −0.7 mm |
| Thickness | 7.7 mm | 8.2 mm | −0.5 mm |
| Weight | 185 g | 210 g | −25 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Smart 20 better than Redmi 15a?
- Water resistance (IPx)IPx4 vs IPx22×
- NFCYes · Redmi 15a: No
- Weight185 g vs 210 g+14%
- Thickness7.7 mm vs 8.2 mm+6%
Why is Redmi 15a better than Smart 20?
- Main camera8 MP vs 32 MP4×
- RAM4 GB vs 6 GB+50%
- Battery capacity5,200 mAh vs 6,300 mAh+21%
- 5GNo · Smart 20: Yes
- Process12 nm vs 6 nm2×
- Peak brightness700 nits vs 800 nits+14%
- CPU frequency2 GHz vs 2.2 GHz+10%
Specifications
Side by side
| Design | ||
| Weight | 185 g | 210 g |
| Thickness | 7.7 mm | 8.2 mm |
| Height | 167.7 mm | 171.6 mm |
| Width | 78.8 mm | 79.5 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP64 | IP52 |
| Water resistance (IPx) | IPx4 | IPx2 |
| Colours | Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange | Black, Blue, Purple |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| 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 | 254 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 700 nits | 800 nits |
| Screen-to-body ratio | 82.9% | 84.3% |
| Performance | ||
| Chipset | Mediatek Helio G81 Ultimate | Unisoc T8300 |
| Chip maker | MediaTek | Unisoc |
| Process | 12 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.2 GHz |
| GPU | Mali-G52 MC2 | Mali-G57 MC2 |
| Geekbench 6 (multi-core) | — | 2,074 |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 32 MP |
| Main camera aperture | f/2 | 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 | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,200 mAh | 6,300 mAh |
| Battery type | — | Li-Po |
| Wired charging | 15 W | 15 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | — | 5.4 |
| NFC | Yes | No |
| 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 | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | XOS 16 | HyperOS 3 |
| Major OS updates promised | — | 4 |
