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- Spark 9T vs Y21G
Tecno Spark 9T vs Vivo Y21G
What Spark 9T does better (6) and where Y21G wins (3) — every spec side by side.
Dimensions
Size comparison
Spark 9TY21G
| Spark 9T | Y21G | Difference | |
|---|---|---|---|
| Height | 164.3 mm | 164.3 mm | = |
| Width | 75.6 mm | 76.1 mm | −0.5 mm |
| Thickness | 8.7 mm | 8 mm | +0.7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Spark 9T better than Y21G?
- Refresh rate90 Hz vs 60 Hz+50%
- Storage (max)128 GB vs 64 GB2×
- Selfie camera32 MP vs 8 MP4×
- CPU frequency2.3 GHz vs 2 GHz+15%
- Main camera aperturef/1.9 vs f/2.2+16%
- Screen-to-body ratio84.7% vs 81.8%+4%
Why is Y21G better than Spark 9T?
- Wired charging10 W vs 18 W+80%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
- Thickness8.7 mm vs 8 mm+9%
Specifications
Side by side
| Design | ||
| Weight | — | 182 g |
| Thickness | 8.7 mm | 8 mm |
| Height | 164.3 mm | 164.3 mm |
| Width | 75.6 mm | 76.1 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Colours | Quantum Black, Burano Blue, Particle Silver, Vitality Green | Diamond Glow, Midnight Blue |
| Display | ||
| Screen size | 6.6″ | 6.5″ |
| 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 | 266 ppi | 270 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Screen-to-body ratio | 84.7% | 81.8% |
| Performance | ||
| Chipset | Mediatek MT6765V/CB Helio G37 | Mediatek MT6769 Helio G70 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2 GHz |
| GPU | PowerVR GE8320 | Mali-G52 2EEMC2 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | f/1.9 | f/2.2 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 32 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 10 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | — | 5 |
| NFC | No | 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 | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Software | ||
| OS at launch | Android 12 | Android 11 |
| Platform | Android | Android |
| Interface | HiOS 8.6 | Funtouch 11.1 |







