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. We scored both 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 for exceptional detail
+Tilt release reduces FEP wear
+Built-in air purifier
+WiFi connectivity
−Smaller build plate than Saturn
−Requires wash & cure station
−Resin learning curve
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 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 for exceptional detail.
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.