Dimensions
Size comparison
Tab 12RT3
| Tab 12 | RT3 | Difference | |
|---|---|---|---|
| Height | 238.5 mm | 209 mm | +29.5 mm |
| Width | 157.5 mm | 143 mm | +14.5 mm |
| Thickness | 7.4 mm | 14 mm | −6.6 mm |
| Weight | 430 g | 538 g | −108 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Tab 12 better than RT3?
- Battery capacity6,580 mAh vs 5,150 mAh+28%
- Screen size10.1″ vs 8″+26%
- Weight430 g vs 538 g+25%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
- Pixel density224 ppi vs 189 ppi+19%
- Thickness7.4 mm vs 14 mm+89%
- Resolution (short side)1,200 px vs 800 px+50%
- Resolution (long side)1,920 px vs 1,280 px+50%
- Screen-to-body ratio78.7% vs 62.1%+27%
Why is RT3 better than Tab 12?
- Process28 nm vs 12 nm2.3×
- CPU frequency1.6 GHz vs 2 GHz+25%
- Front camera5 MP vs 8 MP+60%
- Rear camera13 MP vs 16 MP+23%
Specifications
Side by side
| Design | ||
| Weight | 430 g | 538 g |
| Thickness | 7.4 mm | 14 mm |
| Height | 238.5 mm | 209 mm |
| Width | 157.5 mm | 143 mm |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Asahi Glass | — |
| Colours | Gray, Blue, Silver | Gray, Green, Orange |
| Display | ||
| Screen size | 10.1″ | 8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (short side) | 1,200 px | 800 px |
| Resolution (long side) | 1,920 px | 1,280 px |
| Pixel density | 224 ppi | 189 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 400 nits |
| Screen-to-body ratio | 78.7% | 62.1% |
| Performance | ||
| Chipset | Unisoc SC9863A | Mediatek MT6762 Helio P22 |
| Chip maker | Unisoc | MediaTek |
| Process | 28 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.6 GHz | 2 GHz |
| GPU | IMG8322 | PowerVR GE8320 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 64 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Battery | ||
| Battery capacity | 6,580 mAh | 5,150 mAh |
| Battery type | — | Li-Po |
| Wired charging | 10 W | — |
| Wireless charging | No | No |
| Connectivity | ||
| Cellular (LTE) | Yes | Yes |
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5 | — |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| NFC | No | No |
| GPS | Yes | Yes |
| Satellite navigation | GLONASS, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer | Accelerometer, compass |
| Cameras | ||
| Rear camera | 13 MP | 16 MP |
| Rear camera aperture | f/2.2 | f/1.8 |
| Rear cameras | 1 | 1 |
| Ultra-wide camera | No | No |
| Optical stabilisation | No | No |
| Max video | — | 1080p |
| Front camera | 5 MP | 8 MP |
| 4K front-camera video | No | No |
| Software | ||
| OS at launch | Android 11 | Android 12 |
| Platform | Android | Android |









