Bambu Lab A1 Combo vs Longer Orange 4K
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Bambu Lab A1 Combo ($399, FDM) and Longer Orange 4K ($129, 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 6.4/10. It pulls ahead in Beginner Friendliness, Print Quality, Speed, Reliability. That said, the Longer Orange 4K saves you $270 and wins on Value.
Score Breakdown
Specifications
| Spec | Bambu Lab A1 Combo | Longer Orange 4K |
|---|---|---|
| Price | $399 | $129 |
| Type | FDM | RESIN |
| Build Volume | 256 x 256 x 256 mm | 118 x 66 x 190 mm |
| Print Speed | 500 mm/s | 80 mm/s |
| Min Resolution | 0.05 mm | 0.01 mm |
| Weight | 9.65 kg | 4.5 kg |
| Overall Score | 9.2/10 | 6.4/10 |
Pros & Cons
Bambu Lab A1 Combo
+Multi-color out of the box
+Excellent print quality
+Fast and quiet
+Great first-time setup
−Open frame (no enclosure)
−Proprietary slicer preferred
−AMS Lite limited to 4 colors
Longer Orange 4K
+Cheapest resin printer
+WiFi at this price
+Decent 4K resolution
−Very small build plate
−4K resolution below current standard
−Less reliable long-term
−Tiny community
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 Longer Orange 4K if you want:
- A great printer for budget
- A great printer for resin
- 5.5" 4K mono LCD
- WiFi
- USB
Frequently Asked Questions
Is the Bambu Lab A1 Combo better than the Longer Orange 4K?
By the numbers, the Bambu Lab A1 Combo scores higher (9.2/10). But "better" depends on your use case — the Longer Orange 4K may be the smarter buy if you need budget.
Which is better for beginners, Bambu Lab A1 Combo or Longer Orange 4K?
The Bambu Lab A1 Combo is more beginner-friendly (10/10 vs 5/10) with easier setup and a gentler learning curve.
Is the Bambu Lab A1 Combo worth $270 more than the Longer Orange 4K?
The Bambu Lab A1 Combo scores higher overall (9.2/10 vs 6.4/10). The extra $270 gets you multi-color out of the box.
What's the main difference between Bambu Lab A1 Combo and Longer Orange 4K?
Technology: the Bambu Lab A1 Combo is FDM (filament) and the Longer Orange 4K is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.

