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- Spark 40 Pro vs Y31
Tecno Spark 40 Pro vs Vivo Y31
What Spark 40 Pro does better (15) and where Y31 wins (5) — every spec side by side.
vs
9.8Display6.2
5.2Camera4.6
7.9Battery8.4
5.5Features6.7
Dimensions
Size comparison
Spark 40 ProY31
| Spark 40 Pro | Y31 | Difference | |
|---|---|---|---|
| Height | 163.7 mm | 166.1 mm | −2.4 mm |
| Width | 75.9 mm | 77 mm | −1.1 mm |
| Thickness | 6.7 mm | 8.4 mm | −1.7 mm |
| Weight | 170 g | 209 g | −39 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Spark 40 Pro better than Y31?
- Peak brightness4,500 nits vs 1,000 nits4.5×
- OLED panelYes · Y31: No
- NFCYes · Y31: No
- Pixel density440 ppi vs 264 ppi+67%
- Refresh rate144 Hz vs 120 Hz+20%
- Wired charging45 W vs 44 W+2%
- Weight170 g vs 209 g+23%
- 3.5 mm headphone jackYes · Y31: No
- Resolution (width)1,224 px vs 720 px+70%
- Selfie camera13 MP vs 8 MP+62%
- Charged in 30 min62% vs 39%+59%
- Bluetooth5.3 vs 4.2+26%
Why is Y31 better than Spark 40 Pro?
- Battery capacity5,200 mAh vs 6,500 mAh+25%
- Water resistance (IPx)IPx4 vs IPx82×
- Storage (max)256 GB vs 512 GB2×
- 5GNo · Spark 40 Pro: Yes
- Process6 nm vs 4 nm+50%
Specifications
Side by side
| Design | ||
| Weight | 170 g | 209 g |
| Thickness | 6.7 mm | 8.4 mm |
| Height | 163.7 mm | 166.1 mm |
| Width | 75.9 mm | 77 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Ingress protection | IP64 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Glass protection | Corning Gorilla Glass 7i | Guardian Glass (ion-strengthened) |
| Colours | Ink Black, Moon Titanium, Lake Blue, Bamboo Green | Rose Red, Diamond Green |
| Display | ||
| Screen size | 6.8″ | 6.7″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,224 px | 720 px |
| Resolution (height) | 2,720 px | 1,608 px |
| Pixel density | 440 ppi | 264 ppi |
| Refresh rate | 144 Hz | 120 Hz |
| Peak brightness | 4,500 nits | 1,000 nits |
| Screen-to-body ratio | 89.3% | 84% |
| Performance | ||
| Chipset | Mediatek Helio G100 Ultimate | Qualcomm SM4450 Snapdragon 4 Gen 2 |
| Chip maker | MediaTek | Qualcomm |
| Process | 6 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.2 GHz |
| GPU | Mali-G57 MC2 | Adreno 613 |
| AnTuTu score | 584,885 | — |
| Geekbench 6 (multi-core) | 1,979 | — |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.6 | f/1.8 |
| Main sensor size | 1/2.8" | — |
| 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 | 5,200 mAh | 6,500 mAh |
| Battery type | Li-Po | Li-Ion |
| Wired charging | 45 W | 44 W |
| Charged in 30 min | 62% | 39% |
| 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 | 5.3 | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Infrared port | Yes | — |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Under display | Side |
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | — | 1.13 W/kg |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | HIOS 15.1 | Funtouch 15 |
