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- Flat 3C vs Redmi 15a
OSCAL Flat 3C vs Xiaomi Redmi 15a
What Flat 3C does better (4) and where Redmi 15a wins (13) — every spec side by side.
Dimensions
Size comparison
Flat 3CRedmi 15a
| Flat 3C | Redmi 15a | Difference | |
|---|---|---|---|
| Height | 165.3 mm | 171.6 mm | −6.3 mm |
| Width | 76.7 mm | 79.5 mm | −2.8 mm |
| Thickness | 8.9 mm | 8.2 mm | +0.7 mm |
| Weight | 200 g | 210 g | −10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Flat 3C better than Redmi 15a?
- Water resistance (IPx)IPx4 vs IPx22×
- Pixel density269 ppi vs 254 ppi+6%
- Weight200 g vs 210 g+5%
- Selfie camera13 MP vs 8 MP+62%
Why is Redmi 15a better than Flat 3C?
- Refresh rate60 Hz vs 120 Hz2×
- Battery capacity5,000 mAh vs 6,300 mAh+26%
- RAM4 GB vs 6 GB+50%
- Wired charging10 W vs 15 W+50%
- 5GNo · Flat 3C: Yes
- Peak brightness430 nits vs 800 nits+86%
- Process12 nm vs 6 nm2×
- CPU cores4 vs 82×
- CPU frequency2 GHz vs 2.2 GHz+10%
- Screen size6.6″ vs 6.9″+5%
- Thickness8.9 mm vs 8.2 mm+9%
- Bluetooth5 vs 5.4+8%
Specifications
Side by side
| Design | ||
| Weight | 200 g | 210 g |
| Thickness | 8.9 mm | 8.2 mm |
| Height | 165.3 mm | 171.6 mm |
| Width | 76.7 mm | 79.5 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP54 | IP52 |
| Water resistance (IPx) | IPx4 | IPx2 |
| Colours | Blaze Orange, Ice Blue, Midnight Black | Black, Blue, Purple |
| Display | ||
| Screen size | 6.6″ | 6.9″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,612 px | 1,600 px |
| Pixel density | 269 ppi | 254 ppi |
| Refresh rate | 60 Hz | 120 Hz |
| Peak brightness | 430 nits | 800 nits |
| Screen-to-body ratio | 81.5% | 84.3% |
| Performance | ||
| Chipset | Unisoc Tiger T310 | Unisoc T8300 |
| Chip maker | Unisoc | Unisoc |
| Process | 12 nm | 6 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 2 GHz | 2.2 GHz |
| GPU | PowerVR GE8300 | 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 | — | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 32 MP | 32 MP |
| Main camera aperture | — | f/2 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 13 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 6,300 mAh |
| Battery type | — | Li-Po |
| Wired charging | 10 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 | 5.4 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | — | Side |
| Sensors | Yes | Fingerprint (side-mounted), accelerometer, compass |
| SAR (head) | 0.74 W/kg | — |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | DokeOS 5.0 | HyperOS 3 |
| Major OS updates promised | — | 4 |
| EU label | ||
| Energy class | B | — |
| Battery charge cycles | 800 | — |
| Endurance per cycle | 48 h | — |
| Repairability class | B | — |
| Drop resistance class | C | — |
