Longer Orange 4K vs Prusa MK4S
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Longer Orange 4K ($129, RESIN) and Prusa MK4S ($799, FDM) 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 Prusa MK4S takes the crown with 7.8/10 vs 6.4/10. It pulls ahead in Beginner Friendliness, Print Quality, Speed, Reliability. That said, the Longer Orange 4K saves you $670 and wins on Value.
Score Breakdown
Specifications
| Spec | Longer Orange 4K | Prusa MK4S |
|---|---|---|
| Price | $129 | $799 |
| Type | RESIN | FDM |
| Build Volume | 118 x 66 x 190 mm | 250 x 210 x 220 mm |
| Print Speed | 80 mm/s | 200 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 4.5 kg | 7 kg |
| Overall Score | 6.4/10 | 7.8/10 |
Pros & Cons
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
Prusa MK4S
+Legendary reliability
+Fully open source
+PrusaSlicer is excellent
+Best customer support in the industry
−Expensive for the speed
−Slower than CoreXY competition
−Open frame
−Showing its age vs Bambu
Who Should Buy Which?
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
Choose the Prusa MK4S if you want:
- A great printer for reliability
- A great printer for open-source
- Open source
- PrusaSlicer
- Nextruder
Frequently Asked Questions
Is the Longer Orange 4K better than the Prusa MK4S?
By the numbers, the Prusa MK4S scores higher (7.8/10). 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, Longer Orange 4K or Prusa MK4S?
The Prusa MK4S is more beginner-friendly (8/10 vs 5/10) with easier setup and a gentler learning curve.
Is the Prusa MK4S worth $670 more than the Longer Orange 4K?
The Prusa MK4S scores higher overall (7.8/10 vs 6.4/10). The extra $670 gets you legendary reliability.
What's the main difference between Longer Orange 4K and Prusa MK4S?
Technology: the Longer Orange 4K is RESIN (filament) and the Prusa MK4S is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.