Dimensions
Size comparison
T21RT3
| T21 | RT3 | Difference | |
|---|---|---|---|
| Height | 247.5 mm | 209 mm | +38.5 mm |
| Width | 157.3 mm | 143 mm | +14.3 mm |
| Thickness | 7.5 mm | 14 mm | −6.5 mm |
| Weight | 466 g | 538 g | −72 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T21 better than RT3?
- Battery capacity8,200 mAh vs 5,150 mAh+59%
- Storage (max)128 GB vs 64 GB2×
- Screen size10.4″ vs 8″+30%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Pixel density224 ppi vs 189 ppi+19%
- Weight466 g vs 538 g+15%
- Thickness7.5 mm vs 14 mm+87%
- Resolution (long side)2,000 px vs 1,280 px+56%
- Resolution (short side)1,200 px vs 800 px+50%
- Screen-to-body ratio79.1% vs 62.1%+27%
Why is RT3 better than T21?
- Rear camera8 MP vs 16 MP2×
- Peak brightness360 nits vs 400 nits+11%
- CPU frequency1.8 GHz vs 2 GHz+11%
Specifications
Side by side
| Design | ||
| Weight | 466 g | 538 g |
| Thickness | 7.5 mm | 14 mm |
| Height | 247.5 mm | 209 mm |
| Width | 157.3 mm | 143 mm |
| Back | Aluminium | — |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Scratch-resistant glass | — |
| Colours | Charcoal Grey | Gray, Green, Orange |
| Display | ||
| Screen size | 10.4″ | 8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (short side) | 1,200 px | 800 px |
| Resolution (long side) | 2,000 px | 1,280 px |
| Pixel density | 224 ppi | 189 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 360 nits | 400 nits |
| Screen-to-body ratio | 79.1% | 62.1% |
| Performance | ||
| Chipset | Unisoc Tiger T612 | Mediatek MT6762 Helio P22 |
| Chip maker | Unisoc | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2 GHz |
| GPU | Mali-G57 | PowerVR GE8320 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Battery | ||
| Battery capacity | 8,200 mAh | 5,150 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 18 W | — |
| Wireless charging | No | No |
| Connectivity | ||
| Cellular (LTE) | Yes | Yes |
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5 | — |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| NFC | Yes | No |
| GPS | Yes | Yes |
| Satellite navigation | — | GLONASS, GALILEO, BDS |
| Features | ||
| Stylus support | Yes | — |
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer, proximity | Accelerometer, compass |
| Cameras | ||
| Rear camera | 8 MP | 16 MP |
| Rear camera aperture | — | f/1.8 |
| Rear cameras | 1 | 1 |
| Ultra-wide camera | No | No |
| Optical stabilisation | No | No |
| Max video | 1080p | 1080p |
| Front camera | 8 MP | 8 MP |
| 4K front-camera video | No | No |
| Software | ||
| OS at launch | Android 12 | Android 12 |
| Platform | Android | Android |
