Elegoo Mars 4 Ultra vs Longer Orange 4K
Head-to-head 3D printer comparison, 2026
The Elegoo Mars 4 Ultra and Longer Orange 4K are both RESIN 3D printers competing in the same price bracket, $199 vs $129. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Mars 4 Ultra 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 $70 and wins on Value.
Score Breakdown
Specifications
| Spec | Elegoo Mars 4 Ultra | Longer Orange 4K |
|---|---|---|
| Price | $199 | $129 |
| Type | RESIN | RESIN |
| Build Volume | 153 x 77 x 165 mm | 118 x 66 x 190 mm |
| Print Speed | 100 mm/s | 80 mm/s |
| Min Resolution | 0.01 mm | 0.01 mm |
| Weight | 6.8 kg | 4.5 kg |
| Overall Score | 7.8/10 | 6.4/10 |
Pros & Cons
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
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
Who Should Buy Which?
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
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 Elegoo Mars 4 Ultra better than the Longer Orange 4K?
By the numbers, the Elegoo Mars 4 Ultra 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, Elegoo Mars 4 Ultra or Longer Orange 4K?
The Elegoo Mars 4 Ultra is more beginner-friendly (7/10 vs 5/10) with easier setup and a gentler learning curve.
Is the Elegoo Mars 4 Ultra worth $70 more than the Longer Orange 4K?
The Elegoo Mars 4 Ultra scores higher overall (7.8/10 vs 6.4/10). The extra $70 gets you 9k resolution is a meaningful jump from 7k: finer surface texture, sharper edges on small parts.
What's the main difference between Elegoo Mars 4 Ultra and Longer Orange 4K?
Build volume (153x77x165mm vs 118x66x190mm) and print speed (100 vs 80 mm/s). The Elegoo Mars 4 Ultra is best for miniatures; the Longer Orange 4K targets budget.