Dimensions
Size comparison
T21RT9
| T21 | RT9 | Difference | |
|---|---|---|---|
| Height | 247.5 mm | 251.2 mm | −3.7 mm |
| Width | 157.3 mm | 170 mm | −12.7 mm |
| Thickness | 7.5 mm | 14.2 mm | −6.7 mm |
| Weight | 467 g | 850 g | −383 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T21 better than RT9?
- Weight467 g vs 850 g+82%
- Pixel density225 ppi vs 149 ppi+51%
- Screen size10.4″ vs 10.1″+3%
- 3.5 mm headphone jackYes · RT9: No
- Thickness7.5 mm vs 14.2 mm+89%
- CPU frequency1.8 GHz vs 1.6 GHz+12%
- Resolution (long side)2,000 px vs 1,280 px+56%
- Resolution (short side)1,200 px vs 800 px+50%
- Screen-to-body ratio78.5% vs 69.3%+13%
Why is RT9 better than T21?
- Battery capacity8,200 mAh vs 11,000 mAh+34%
- RAM4 GB vs 6 GB+50%
- Storage (max)128 GB vs 256 GB2×
- Storage (base)64 GB vs 256 GB4×
- Rear camera8 MP vs 16 MP2×
- Front camera8 MP vs 16 MP2×
- Peak brightness360 nits vs 400 nits+11%
Specifications
Side by side
| Design | ||
| Weight | 467 g | 850 g |
| Thickness | 7.5 mm | 14.2 mm |
| Height | 247.5 mm | 251.2 mm |
| Width | 157.3 mm | 170 mm |
| Back | Aluminium | — |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Scratch-resistant glass | Corning Gorilla Glass 5 |
| Colours | Black Steel | Black, Orange |
| Display | ||
| Screen size | 10.4″ | 10.1″ |
| 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 | 225 ppi | 149 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 360 nits | 400 nits |
| Screen-to-body ratio | 78.5% | 69.3% |
| Performance | ||
| Chipset | Unisoc Tiger T612 | Unisoc T606 |
| Chip maker | Unisoc | Unisoc |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 1.6 GHz |
| GPU | Mali-G57 | Mali-G57 MP1 |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 64 GB | 256 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Battery | ||
| Battery capacity | 8,200 mAh | 11,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 18 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| Cellular (LTE) | Yes | Yes |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 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 | GLONASS, GALILEO, BDS |
| Features | ||
| Stylus support | Yes | — |
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | No |
| Sensors | Accelerometer, proximity (accessories only) | 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 | 16 MP |
| 4K front-camera video | No | No |
| Software | ||
| OS at launch | Android 13 | Android 14 |
| Platform | Android | Android |
| EU label | ||
| Energy class | — | B |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 302 h |
| Repairability class | — | C |
| Drop resistance class | — | A |
