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- 30 vs Y21t
TCL 30 vs Vivo Y21t
What 30 does better (7) and where Y21t wins (7) — every spec side by side.
Dimensions
Size comparison
30Y21t
| 30 | Y21t | Difference | |
|---|---|---|---|
| Height | 164.5 mm | 164.3 mm | +0.2 mm |
| Width | 75.2 mm | 76.1 mm | −0.9 mm |
| Thickness | 7.7 mm | 8 mm | −0.3 mm |
| Weight | 184 g | 182 g | +2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 30 better than Y21t?
- OLED panelYes · Y21t: No
- NFCYes · Y21t: No
- Pixel density393 ppi vs 270 ppi+46%
- Screen size6.7″ vs 6.5″+3%
- Resolution (width)1,080 px vs 720 px+50%
- Screen-to-body ratio87.6% vs 81.8%+7%
- Thickness7.7 mm vs 8 mm+4%
Why is Y21t better than 30?
- RAM4 GB vs 6 GB+50%
- Storage (max)64 GB vs 128 GB2×
- Process12 nm vs 6 nm2×
- Storage (base)64 GB vs 128 GB2×
- CPU frequency2.3 GHz vs 2.4 GHz+4%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
- Main camera aperturef/1.9 vs f/1.8+6%
Specifications
Side by side
| Design | ||
| Weight | 184 g | 182 g |
| Thickness | 7.7 mm | 8 mm |
| Height | 164.5 mm | 164.3 mm |
| Width | 75.2 mm | 76.1 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Colours | Tech Black, Muse Blue | Midnight Blue, Pearl White |
| Display | ||
| Screen size | 6.7″ | 6.5″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,400 px | 1,600 px |
| Pixel density | 393 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 900 nits | — |
| Screen-to-body ratio | 87.6% | 81.8% |
| Performance | ||
| Chipset | Mediatek MT6765V/CB Helio G37 | Qualcomm SM6225 Snapdragon 680 4G |
| Chip maker | MediaTek | Qualcomm |
| Process | 12 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2.4 GHz |
| GPU | PowerVR GE8320 | Adreno 610 |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 64 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.9 | 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 | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,010 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 18 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | 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, proximity, compass |
| Software | ||
| OS at launch | Android 12 | Android 11 |
| Platform | Android | Android |
| Interface | — | Funtouch 12 |
