Elegoo Mars 4 Ultra vs Qidi Q2
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Elegoo Mars 4 Ultra ($199, RESIN) and Qidi Q2 ($499, 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 Qidi Q2 takes the crown with 8.6/10 vs 7.8/10. It pulls ahead in Beginner Friendliness, Speed. That said, the Elegoo Mars 4 Ultra saves you $300.
Score Breakdown
Specifications
| Spec | Elegoo Mars 4 Ultra | Qidi Q2 |
|---|---|---|
| Price | $199 | $499 |
| Type | RESIN | FDM |
| Build Volume | 153 x 77 x 165 mm | 230 x 230 x 240 mm |
| Print Speed | 100 mm/s | 600 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 6.8 kg | 16.5 kg |
| Overall Score | 7.8/10 | 8.6/10 |
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
Qidi Q2
+65C chamber heating: ABS, nylon, PC, carbon fiber without drama
+Quick-swap nozzle that's actually on par with Bambu's
+Enclosed CoreXY with chamber heating at $499 is genuinely rare
+Firmware is noticeably better than the Q1 Pro
−Qidi ecosystem still a fraction of Bambu's size
−Build volume is a touch smaller than competitors at this price
−Community resources are thin compared to Bambu or Creality
−16.5kg is heavy for an open-frame-sized footprint
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 Qidi Q2 if you want:
- A great printer for engineering
- A great printer for enclosed
- A great printer for speed
- Enclosed CoreXY with 65C heated chamber
- 350C tri-metal hotend
- WiFi 6 + Ethernet
Frequently Asked Questions
Is the Elegoo Mars 4 Ultra better than the Qidi Q2?
By the numbers, the Qidi Q2 scores higher (8.6/10). But "better" depends on your use case, the Elegoo Mars 4 Ultra may be the smarter buy if you need miniatures.
Which is better for beginners, Elegoo Mars 4 Ultra or Qidi Q2?
The Qidi Q2 is more beginner-friendly (8/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Qidi Q2 worth $300 more than the Elegoo Mars 4 Ultra?
The Qidi Q2 scores higher overall (8.6/10 vs 7.8/10). The extra $300 gets you 65c chamber heating: abs, nylon, pc, carbon fiber without drama.
What's the main difference between Elegoo Mars 4 Ultra and Qidi Q2?
Technology: the Elegoo Mars 4 Ultra is RESIN (filament) and the Qidi Q2 is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.