The verdict
Neither runs away with it: each wins something.
| Category | 20B | 306 |
|---|---|---|
| Design & display | 5.3 | 4.9 |
| Performance & hardware | 2.6 | 2.4 |
| Camera | 3.7 | 3.5 |
| Connectivity | 5.0 | 5.0 |
| Battery & charging | 3.8 | 5.3 |
Which one is for you?
TCL 20B, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Maximum Storage Capacity
- 64 GB
- against 32 GB
- Weight
- 178 g
- against 190 g
- Fast Charge Power
- 18 W
- against 10 W
TCL 306, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,000 mAh
- OS Version
- 12
- against 11
Specification comparison
Performance
| Specification | 20B | 306 |
|---|---|---|
| Processor Model | MediaTek Helio P22 | MediaTek Helio G25 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | PowerVR GE8320 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.8 GHz | 2 GHz Best value |
| Maximum Storage Capacity | 64 GB Best value | 32 GB |
| AnTuTu Score | 94,000 | — |
| Geekbench 6 Single-Core | 233 | — |
| Geekbench 6 Multi-Core | 723 | — |
| CPU Description | Octa-core Cortex-A53 CPU with four cores at 1.8 GHz and four cores at 1.5 GHz | Octa-core CPU with four 2.0 GHz Cortex-A53 cores and four 1.5 GHz Cortex-A53 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | — |
| RAM Capacity | 4 GB Best value | 3 GB |
| RAM Type | DDR4 | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | 20B | 306 |
|---|---|---|
| Body Colors | Grey, Purple, Black, Blue, Green | Grey, Blue |
| Body Thickness | 8 mm Best value | 8.9 mm |
| Body Width | 74.7 mm | 75.5 mm |
| Body Height | 164.7 mm | 165.2 mm |
| Weight | 178 g Best value | 190 g |
| Usable Surface | 83.4 % Best value | 82.3 % |
| Body Materials | Glass, Plastic | — |
Battery
| Specification | 20B | 306 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Po |
| Fast Charge Power | 18 W Best value | 10 W |
| Battery Features | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable, Charger Included | Fast Charging |
Display
| Specification | 20B | 306 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | — | 450 nits |
| Display Diagonal | 6.52″ | 6.52″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px | 1,600 px |
| Display Pixel Density | 269 ppi | 269 ppi |
| Display Features | Water Drop Notch, Scratch Resistant, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, IPS LCD | IPS LCD |
Sensors
| Specification | 20B | 306 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | 20B | 306 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | 20B | 306 |
|---|---|---|
| Operating System | Android 11 | Android 12 |
| OS Family | Android | Android |
| OS Version | 11 | 12 Best value |
| Google Services | Yes | — |
Connectivity
| Specification | 20B | 306 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Single Nano-SIM, Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B5, 3G UMTS B8, 3G UMTS B9, 3G UMTS B19, 3G UMTS B21, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display | Wi-Fi Direct, Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 300 Mbps | — |
| Max. upload speed | 150 Mbps | — |
Audio
| Specification | 20B | 306 |
|---|---|---|
| Audio Features | A2DP, LE, Loudspeaker | A2DP |
Technical
| Specification | 20B | 306 |
|---|---|---|
| Model numbers | 6159K | X668, 6102H |
