What are the differences between Launch X431 CRP123X, CRP129X, CRP919X & CRP919X BT diagnostic tools? Here we’ve compared them in price, hardware configuration, and software features in detail, hoping to help a lot.
Comparison Table:
| Item | Launch X431 CRP123X | Launch CRP129X | Launch X431 CRP919X | Launch X431 CRP919X BT | 
| Image |  |  |  |  | 
| Price | £113 | £201 | £319 | £319 | 
| CPU | 4-Core 1.5GHz | 4-Core 1.5GHz | 4-Core 2.0GHz | 4-core 2.0GHz | 
| RAM | 2G | 2G | 3G | 4G | 
| ROM | 16G | 16G | 32G | 64G | 
| Battery | 6100mAh | 6100mAh | 6100mAh | 6300mAh | 
| System | Android 7.0 | Android 7.0 | Android 10.0 | Android 10.0 | 
| Display | 5-inch TFT | 5-inch TFT | 7-inch | 7-inch | 
| Screen | 1280*720 | 1280*720 | 1024*600 | 1024*600 | 
| WiFi | 2.4GHz | 2.4GHz | 2.4Ghz | 2.4GHz | 
| Camera | × | × | Rear 8.0 MP | Rear 8.0 MP | 
| Communication | Main cable | Main cable | Main cable | VCI/Bluetooth(DBSCar VII) | 
| OBDII code reader | √ | √ | √ | √ | 
| Full system | ×(PCM/TCM/ABS/SRS) | ×(PCM/ TCM/ABS/SRS) | √ | √ | 
| Read DTCs | √ | √ | √ | √ | 
| Clear DTCs | √ | √ | √ | √ | 
| Data stream | √ | √ | √ | √ | 
| Read ECU info | √ | √ | √ | √ | 
| Bi-directional control | × | × | √ | √ | 
| Service function | 3 kinds(oil reset, ETC, SAS) | 8 kinds(oil reset, brake reset, SAS, ETS, TPMS) | 31 kinds | 31 kinds | 
| Active test | × | × | √ | √ | 
| Special functions | × | × | √ | √ | 
| Hidden/modification | × | × | √ | √ | 
| Coding | × | × | √ | √ | 
| Auto VIN | √ | √ | √ | √ | 
| FCA secure gateway | Coming soon | Coming soon | √ | √ | 
| CAN-FD/DoIP | × | × | √ | CAN-FD | 
| Vehicle coverage | 58+ | 58+ | 100+ | 100+ | 
| Software update | Free | Free | 2 years free | 2 years free | 
| Highlights | Maintenance service, system diagnosis, 58+ car brands, auto VIN technology, graphic live data, lifetime free update | Maintenance service, system diagnosis, 58+ car brands, auto VIN technology, graphic live data, lifetime free update | 100+ car brands, coding, CAN-FD/DoIP, more special functions, all system diagnosis, 31 maintenance services, auto VIN technology, graphic live data | 100+ car brands, coding, CAN-FD, more special functions, all system diagnosis, 31 maintenance services, auto VIN technology, graphic live data | 
| Language | English, French, German, Spanish, Portuguese, Russian, Japanese, Italian, Traditional Chinese, Korea | English, French, German, Spanish, Portuguese, Russian, Japanese, Italian, Traditional Chinese, Korea | English, French, German, Spanish, Portuguese, Russian, Japanese, Italian, Traditional Chinese, Korean, Polish | English, French, German, Spanish, Portuguese, Russian, Japanese, Italian, Traditional Chinese, Korean, Polish | 
Differences
1. CRP123X is the cheapest while CRP919X/CRP919X BT are the most valuable.
2. X431 CRP919X/CRP919X BT supports more service functions(31 kinds) and vehicle brands(100+) than others.
3. X431 CRP919X/CRP919X BT supports full system diagnosis, bi-directional control, active test, hidden/modification, coding, and FCA secure gateway while other tools cannot.
4. Only CRP919X BT supports wireless connection via Bluetooth.
5. Only CRP919 can support CAN-FD/DoIP meanwhile.
Conclusion
In general, Launch CRP123X is the most affordable for beginners. Launch CRP919X/CRP919X BT are coming with better hardware and more diagnostic features for experienced mechanics. Customers can select according to their actual budget and functional needs.



