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- Spark Slim vs Redmi 15 4G
Tecno Spark Slim vs Xiaomi Redmi 15 4G
What Spark Slim does better (14) and where Redmi 15 4G wins (5) — every spec side by side.
vs
9.8Display7.3
4.6Performance4.0
5.2Camera4.6
7.8Battery8.3
4.1Features4.5
Dimensions
Size comparison
Spark SlimRedmi 15 4G
| Spark Slim | Redmi 15 4G | Difference | |
|---|---|---|---|
| Height | 164.2 mm | 171.1 mm | −6.9 mm |
| Width | 75.9 mm | 82.1 mm | −6.2 mm |
| Thickness | 5.9 mm | 8.6 mm | −2.7 mm |
| Weight | 156 g | 224 g | −68 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Spark Slim better than Redmi 15 4G?
- Peak brightness4,500 nits vs 700 nits6.4×
- OLED panelYes · Redmi 15 4G: No
- AnTuTu score591,552 vs 504,376+17%
- Wired charging45 W vs 33 W+36%
- Geekbench 6 (multi-core)1,985 vs 1,529+30%
- Weight156 g vs 224 g+44%
- Storage (base)256 GB vs 128 GB2×
- Pixel density440 ppi vs 374 ppi+18%
- Selfie camera13 MP vs 8 MP+62%
- Thickness5.9 mm vs 8.6 mm+46%
- Charged in 30 min53% vs 38%+39%
- Resolution (width)1,224 px vs 1,080 px+13%
Why is Redmi 15 4G better than Spark Slim?
- Battery capacity5,160 mAh vs 7,000 mAh+36%
- CPU frequency2.2 GHz vs 2.8 GHz+27%
- Memory card slotNo · Spark Slim: Yes
- Dual SIMNo · Spark Slim: Yes
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
Specifications
Side by side
| Design | ||
| Weight | 156 g | 224 g |
| Thickness | 5.9 mm | 8.6 mm |
| Height | 164.2 mm | 171.1 mm |
| Width | 75.9 mm | 82.1 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP64 | IP64 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Glass protection | Corning Gorilla Glass 7i | — |
| Colours | Slim White, Cool Black | Midnight Black, Titan Gray, Sandy Purple |
| Display | ||
| Screen size | 6.8″ | 6.9″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,224 px | 1,080 px |
| Resolution (height) | 2,720 px | 2,340 px |
| Pixel density | 440 ppi | 374 ppi |
| Refresh rate | 144 Hz | 144 Hz |
| Peak brightness | 4,500 nits | 700 nits |
| Measured brightness | — | 621 nits |
| Screen-to-body ratio | 89.1% | 83.2% |
| Performance | ||
| Chipset | Mediatek Helio G200 | Qualcomm SM6225 Snapdragon 685 |
| Chip maker | MediaTek | Qualcomm |
| Process | 6 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.8 GHz |
| GPU | Mali-G57 MC2 | Adreno 610 |
| AnTuTu score | 591,552 | 504,376 |
| Geekbench 6 (multi-core) | 1,985 | 1,529 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 256 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | — | f/1.8 |
| 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 | 5,160 mAh | 7,000 mAh |
| Battery type | Li-Po | Si/C |
| Wired charging | 45 W | 33 W |
| Charged in 30 min | 53% | 38% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Infrared port | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Under display | Side |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro | Fingerprint (side-mounted), accelerometer, compass |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | HIOS 15 | HyperOS 3 |
| EU label | ||
| Energy class | — | B |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 62 h |
| Repairability class | — | C |
| Drop resistance class | — | A |
