Bambu Lab A1 Combo vs Elegoo Mars 4 Ultra
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Bambu Lab A1 Combo ($399, FDM) and Elegoo Mars 4 Ultra ($199, RESIN) use fundamentally different technologies. FDM melts filament layer by layer; resin cures liquid with UV light. Here's how they stack up.
Our Verdict
The Bambu Lab A1 Combo takes the crown with 9.2/10 vs 7.8/10. It pulls ahead in Beginner Friendliness, Speed, Reliability. That said, the Elegoo Mars 4 Ultra saves you $200.
Direct answer
Bambu Lab A1 Combo is the better pick for most buyers.
Choose Bambu Lab A1 Combo if you want the stronger overall score, better fit for beginners and multi-color, and the safer recommendation. Choose Elegoo Mars 4 Ultra only if its specific strengths matter more to you than the overall result.
Winner by buyer type
Best overall
Bambu Lab A1 Combo
Best value
Elegoo Mars 4 Ultra
Best build volume
Bambu Lab A1 Combo
Score Breakdown
Specifications
| Spec | Bambu Lab A1 Combo | Elegoo Mars 4 Ultra |
|---|---|---|
| Price | $399 | $199 |
| Type | FDM | RESIN |
| Build Volume | 256 x 256 x 256 mm | 153 x 77 x 165 mm |
| Print Speed | 500 mm/s | 100 mm/s |
| Min Resolution | 0.05 mm | 0.01 mm |
| Weight | 9.65 kg | 6.8 kg |
| Overall Score | 9.2/10 | 7.8/10 |
Pros & Cons
Bambu Lab A1 Combo
+AMS Lite ships in the box, not as a $75 upsell
+Bambu Studio slices and sends in under a minute
+500mm/s speed that actually holds up at 0.2mm layers
+Auto bed leveling runs in 90 seconds, not 10 minutes
−Open frame means ABS is borderline without an enclosure
−AMS Lite tops out at 4 colors; want more, buy a different system
−You're locked into Bambu Studio for the best experience
Elegoo Mars 4 Ultra
+9K resolution is a meaningful jump from 7K: finer surface texture, sharper edges on small parts
+Tilt release means FEP films last longer; $50 less per year in consumables is real money
+Built-in air purifier takes the edge off the smell without requiring an external solution
+WiFi monitoring means you can start a print and check it from another room
−153x77mm plate is tight for anything larger than small character models
−Still needs a wash and cure station: budget $50-80 extra
−Resin workflow is messier and slower to start than FDM
Who Should Buy Which?
Choose the Bambu Lab A1 Combo if you want:
- A great printer for beginners
- A great printer for multi-color
- A great printer for speed
- Auto bed leveling
- Multi-color (AMS Lite)
- WiFi
Choose the Elegoo Mars 4 Ultra if you want:
- A great printer for miniatures
- A great printer for resin
- A great printer for budget
- 9K mono LCD
- Tilt release
- WiFi
Frequently Asked Questions
Is the Bambu Lab A1 Combo better than the Elegoo Mars 4 Ultra?
By the numbers, the Bambu Lab A1 Combo scores higher (9.2/10). But "better" depends on your use case, the Elegoo Mars 4 Ultra may be the smarter buy if you need miniatures.
Which is better for beginners, Bambu Lab A1 Combo or Elegoo Mars 4 Ultra?
The Bambu Lab A1 Combo is more beginner-friendly (10/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Bambu Lab A1 Combo worth $200 more than the Elegoo Mars 4 Ultra?
The Bambu Lab A1 Combo scores higher overall (9.2/10 vs 7.8/10). The extra $200 gets you ams lite ships in the box, not as a $75 upsell.
What's the main difference between Bambu Lab A1 Combo and Elegoo Mars 4 Ultra?
Technology: the Bambu Lab A1 Combo is FDM (filament) and the Elegoo Mars 4 Ultra is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.