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.
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.