Autel Maxisys Ultra vs Ultra Lite S vs MS909 - 2025 Comparison Guide
If you're comparing Autel's high-end tools with the Elite II PRO, you'll be glad to know that all three—Autel Maxisys Ultra, Autel Ultra Lite S, and Autel MS909—support the powerful Topology Display. This feature visualizes the full vehicle communication structure in real time, making it easier to locate faults, streamline workflow, and improve repair efficiency. It's a serious advantage over many other tools.
Quick Summary
- Maxisys Ultra: Ideal if you need the highest performance and oscilloscope functionality.
- Ultra Lite S: Perfect for most professionals—same hardware and software as Ultra, minus oscilloscope support.
- MS909: A more compact and cost-effective alternative, with slightly less memory and smaller screen.
Visual Comparison
| Feature | Maxisys Ultra | Ultra Lite S | MS909 |
|---|---|---|---|
| Screen | 12.9-inch | 12.9-inch | 9.7-inch |
| VCI | 5-in-1 MaxiFlash VCMI | MaxiFlash VCI | MaxiFlash VCI |
| Memory | 4GB RAM + 256GB | 4GB RAM + 256GB | 4GB RAM + 128GB |
| Battery | 18000mAh | 18000mAh | 15000mAh |
| ECU Programming | Yes | Yes | Yes |
| Oscilloscope Support | Yes | No | No |
| Software Functions | 40+ | 40+ | 36+ |
| Topology Display | Yes | Yes | Yes |
Recommendation
If your diagnostics workflow involves advanced testing and oscilloscope integration (such as signal waveform capture or component-level diagnostics), Maxisys Ultra is your go-to solution. For everyone else looking for top-tier software and power at a lower price, the Ultra Lite S is unbeatable in value.
Shop Recommended Models
Autel Maxisys Ultra
Top-tier diagnostics tablet with oscilloscope support and full VCMI module. Ideal for advanced workshops.
Shop Ultra
Ultra Lite S
Same software and screen size as Ultra, without oscilloscope. A great balance of power and price.
Shop Ultra Lite S
Autel MS909
Smaller screen and memory, but still a highly capable diagnostic tool with great performance and value.
Shop MS909Final Thoughts
All three models offer top-level diagnostic features like ECU coding, programming, topology, and Motor Truspeed (need additional subscription). Your decision should primarily depend on whether oscilloscope features are necessary. If yes, choose Maxisys Ultra. If not, save money with Ultra Lite S while enjoying virtually the same experience.