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 ($929, 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 $800 and wins on Value.
Score Breakdown
Specifications
| Spec | Longer Orange 4K | Prusa MK4S |
|---|---|---|
| Price | $129 | $929 |
| 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
+$129 is the absolute floor for resin printing
+WiFi at this price is genuinely surprising
+4K resolution is enough to see if resin is your thing
−118x66mm build plate: one mini at a time, if they're small
−4K resolution is dated next to 9K and 12K competitors
−Long-term reliability is unknown; smaller community means fewer fixes documented online
Prusa MK4S
+Prusa's QC is genuinely better than anyone else's: every printer is test-printed before shipping
+PrusaSlicer is open source and powerful, no subscription, no cloud required
+Customer support answers in hours, not weeks
+Spare parts available for 5+ year old models; no planned obsolescence
−200mm/s max is a third of what CoreXY machines do at half the price
−$929 for an open-frame bed-slinger is a hard sell in 2025
−Bambu's A1 Combo does more for $530 less
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 $800 more than the Longer Orange 4K?
The Prusa MK4S scores higher overall (7.8/10 vs 6.4/10). The extra $800 gets you prusa's qc is genuinely better than anyone else's: every printer is test-printed before shipping.
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.