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- Spark 40 vs Redmi 15C
Tecno Spark 40 vs Xiaomi Redmi 15C
What Spark 40 does better (5) and where Redmi 15C wins (3) — every spec side by side.
Dimensions
Size comparison
Spark 40Redmi 15C
| Spark 40 | Redmi 15C | Difference | |
|---|---|---|---|
| Height | 167.7 mm | 173.2 mm | −5.5 mm |
| Width | 77.9 mm | 81.1 mm | −3.2 mm |
| Thickness | 8 mm | 8.2 mm | −0.2 mm |
| Weight | 194 g | 211 g | −17 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Spark 40 better than Redmi 15C?
- Weight194 g vs 211 g+9%
- CPU frequency2.5 GHz vs 2.4 GHz+4%
- Pixel density260 ppi vs 254 ppi+2%
- Screen-to-body ratio84.2% vs 81.8%+3%
- Thickness8 mm vs 8.2 mm+2%
Why is Redmi 15C better than Spark 40?
- Wired charging18 W vs 33 W+83%
- Screen size6.8″ vs 6.9″+2%
- Selfie camera5 MP vs 8 MP+60%
Specifications
Side by side
| Design | ||
| Weight | 194 g | 211 g |
| Thickness | 8 mm | 8.2 mm |
| Height | 167.7 mm | 173.2 mm |
| Width | 77.9 mm | 81.1 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Ingress protection | IP64 | IP64 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | Sky Blue, Ink Black, Turquoise Green, Bikaner Red | Midnight Black, Mint Green, Dusk Purple, Moonlight Blue |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,600 px | 1,600 px |
| Pixel density | 260 ppi | 254 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | — | 810 nits |
| Screen-to-body ratio | 84.2% | 81.8% |
| Performance | ||
| Chipset | Mediatek Dimensity 6400 | Mediatek Dimensity 6300 |
| Chip maker | MediaTek | MediaTek |
| Process | 6 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.5 GHz | 2.4 GHz |
| GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | — | f/1.8 |
| Main sensor size | — | 1/2.76" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,000 mAh | 6,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 18 W | 33 W |
| Charged in 30 min | — | 54% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB Type-C 2.0 |
| 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, compass |
| SAR (head) | — | 0.99 W/kg |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | — | HyperOS 2 |
| Major OS updates promised | — | 2 |
| EU label | ||
| Energy class | — | A |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 70 h |
| Repairability class | — | C |
| Drop resistance class | — | A |
