Both Launch X431 PRO3S+ EV and CRP919 EV are comprehensive electric vehicles diagnostic scanners. What is the difference between them? Which one is better?
Check the comparison details below.
Comparison Table:
| Item | X431 PRO3S+ EV | Launch CRP919 EV |
| Image |  |
 |
| Screen | 10.1 inch | 7 inch |
| Resolution | 1280*800 | 1024*600 |
| Operating System | Android 10.0 | Android 10.0 |
| CPU | Quad-core 2.0GHz | Quad-core 2.0GHz |
| Memory | 4GB | 4GB |
| Storage | 64GB | 64GB |
| Communications/ Upgrades | WIFI 2.4Ghz/ 5Ghz (b/ g/ n) | WIFI 2.4Ghz/ 5Ghz (b/ g/ n) |
| Battery | 6300mAh | 6000mAh |
| Interfaces | TYPE A & TYPE C | TYPE C |
| Free Update | 2 Years | 2 Years |
| EV Battery Pack Diagnostics | YES | YES |
| Special Functions | 45+ | 45+ |
| VCI | SmartLink C V2 | NO |
| Extended Module | 13: i-TPMS, TPMS 5011 V2, CRT5011E, ADAS, O2-1 Scopebox, O2-2 Scopebox, S2-2 Sensorbox, VideoScope, BST360, EM101N Scopebox, Multimeter (EM 101N), Current Clamp, ES200 Insulation, IMMO Programmer (X-Prog3), Key Programmer | 3 |
| SGW (FCA SGW) | YES | YES |
| CANFD & DOIP | YES | YES |
| Topology function | YES | NO |
| J2534 | YES | NO |
| Remote diagnostics | YES | NO |
| X431 FIX Database | YES (Purchase required) | NO |
| IMMO Programming | YES (Purchase required) | NO |
| Commercial vehicle diagnostics | YES (Purchase required) | YES |
| Motorcycle diagnostics | YES (Purchase required) | NO |
| Hybrid vehicle diagnostics | NO | NO |
X-431 PRO3S+ EV:
PROS:
- Larger, higher-resolution screen (10.1) – easier to view wiring diagrams and data streams
- More connectivity options – both TYPE‑A and TYPE‑C ports
- Comes with SmartLink C V2 – no need to buy a separate VCI
- Topology function – visualizes network communication between ECUs
- J2534 pass‑thru – allows OEM-level programming and flashing
- Remote diagnostics – enables off-site support
- Expandable – supports IMMO programming, commercial vehicle diagnostics, motorcycle diagnostics, and the FIX database (all optional purchases).
- More extended modules (13) – greater coverage for specialized systems.
CONS:
- Higher initial cost – more features come at a premium.
- Some advanced functions require extra purchase – IMMO, FIX database, commercial vehicle, and motorcycle diagnostics are not included in the base package.
- No hybrid vehicle diagnostics – same as CRP919.
CRP919 EV Scanner:
PROS:
- More compact and portable – 7‑inch screen fits easily in a tool bag.
- Lower price point – a budget‑friendly option for essential EV diagnostics.
- Covers core needs – EV battery pack testing, 45+ special functions, CANFD/DOIP, and SGW.
- Commercial vehicle diagnostics included – no extra purchase required (unlike PRO3S+ EV).
- Simpler to use – fewer advanced options mean a shorter learning curve for basic technicians.
CONS:
- No VCI included – requires a separate purchase.
- Only 3 extended modules – limited expandability.
- No topology function – harder to troubleshoot network issues.
- No J2534 – cannot perform OEM-level programming.
- No remote diagnostics – all work must be done on‑
- No IMMO, no motorcycle diagnostics, no FIX database – not suitable for advanced key programming or two‑
- Smaller battery (6000mAh) – slightly shorter runtime.
Final Suggestion
- Choose Launch X-431 PRO3S+ EV mscanner if: You are a professional workshop handling a wide range of vehicles (cars, commercial vehicles, motorcycles) and need advanced capabilities like J2534 pass‑thru, topology mapping, remote diagnostics, and IMMO programming. The larger screen and included VCI make it a complete, future‑proof solution.
- Choose Launch CRP919 EV scanner if: You primarily work on passenger cars and commercial vehicles, don’t need programming or remote diagnostics, and want a reliable, budget‑friendly EV diagnostic tool. It’s an excellent choice for smaller shops or mobile technicians who value portability and simplicity.
Both scanners deliver solid EV battery pack testing and core diagnostic functions – your choice ultimately depends on how much expansion and advanced functionality your work demands.