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- 20B vs V21
TCL 20B vs Vivo V21
What 20B does better (1) and where V21 wins (19) — every spec side by side.
Dimensions
Size comparison
20BV21
| 20B | V21 | Difference | |
|---|---|---|---|
| Height | 164.7 mm | 159.7 mm | +5 mm |
| Width | 74.7 mm | 73.9 mm | +0.8 mm |
| Thickness | 8 mm | 7.3 mm | +0.7 mm |
| Weight | 178 g | 176 g | +2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 20B better than V21?
- 3.5 mm headphone jackYes · V21: No
Why is V21 better than 20B?
- RAM4 GB vs 8 GB2×
- Wired charging18 W vs 33 W+83%
- Storage (max)64 GB vs 256 GB4×
- Refresh rate60 Hz vs 90 Hz+50%
- OLED panelNo · 20B: Yes
- Optical stabilisationNo · 20B: Yes
- Main camera50 MP vs 64 MP+28%
- Pixel density269 ppi vs 409 ppi+52%
- Selfie camera8 MP vs 44 MP5.5×
- CPU frequency1.8 GHz vs 2.4 GHz+33%
- Storage (base)64 GB vs 128 GB2×
- Rear cameras1 vs 22×
Specifications
Side by side
| Design | ||
| Weight | 178 g | 176 g |
| Thickness | 8 mm | 7.3 mm |
| Height | 164.7 mm | 159.7 mm |
| Width | 74.7 mm | 73.9 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Colours | Gray, Violet | Dusk Blue, Sunset Dazzle |
| Display | ||
| Screen size | 6.5″ | 6.4″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,600 px | 2,400 px |
| Pixel density | 269 ppi | 409 ppi |
| Refresh rate | 60 Hz | 90 Hz |
| Peak brightness | — | 500 nits |
| Screen-to-body ratio | 83.4% | 84.8% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Mediatek MT6762 Helio P22 | Mediatek Dimensity 800U |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2.4 GHz |
| GPU | PowerVR GE8320 | Mali-G57 MC3 |
| AnTuTu score | — | 336,699 |
| Geekbench 6 (multi-core) | — | 6,516 |
| Memory | ||
| RAM | 4 GB | 8 GB |
| Storage (max) | 64 GB | 256 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 64 MP |
| Main camera aperture | — | f/1.8 |
| Main sensor size | — | 1/1.72" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 8 MP | 44 MP |
| 4K selfie video | No | Yes |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | 18 W | 33 W |
| Charged in 30 min | — | 63% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| 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 | No |
| Loudspeaker loudness | — | -28.2 LUFS |
| Fingerprint sensor | Rear | Under display |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | — | Funtouch 11.1 |
