Elegoo Saturn 3 Ultra vs QIDI X-Smart 3
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Elegoo Saturn 3 Ultra ($299, RESIN) and QIDI X-Smart 3 ($349, 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
It's a dead heat — both score 8/10 overall. The Elegoo Saturn 3 Ultra wins in Value, Print Quality, while the QIDI X-Smart 3 takes Beginner Friendliness, Speed. Pick based on which strengths matter more to you.
Score Breakdown
Specifications
| Spec | Elegoo Saturn 3 Ultra | QIDI X-Smart 3 |
|---|---|---|
| Price | $299 | $349 |
| Type | RESIN | FDM |
| Build Volume | 218 x 123 x 260 mm | 175 x 175 x 165 mm |
| Print Speed | 150 mm/s | 600 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 10.5 kg | 9.5 kg |
| Overall Score | 8/10 | 8/10 |
Pros & Cons
Elegoo Saturn 3 Ultra
+12K resolution across a large build plate
+Tilt release for longer FEP life
+Batch print entire armies
+Great for busts and terrain
−Heavy resin consumption at full plate
−Post-processing takes longer at this size
−Still needs wash & cure station
QIDI X-Smart 3
+Fully enclosed in a compact footprint
+Chamber heating for better layer adhesion
+Good software experience
+Fast CoreXY
−Small 175mm build volume
−QIDI ecosystem smaller than Bambu
−175mm limits large prints
Who Should Buy Which?
Choose the Elegoo Saturn 3 Ultra if you want:
- A great printer for resin
- A great printer for miniatures
- A great printer for large-prints
- 12K mono LCD
- Tilt release
- Air purifier
Choose the QIDI X-Smart 3 if you want:
- A great printer for compact
- A great printer for enclosed
- A great printer for beginners
- Enclosed CoreXY
- Chamber heating (35C)
- Auto bed leveling
Frequently Asked Questions
Is the Elegoo Saturn 3 Ultra better than the QIDI X-Smart 3?
They tie at 8/10. The Elegoo Saturn 3 Ultra suits resin and miniatures, while the QIDI X-Smart 3 is aimed at compact and enclosed.
Which is better for beginners, Elegoo Saturn 3 Ultra or QIDI X-Smart 3?
The QIDI X-Smart 3 is more beginner-friendly (8/10 vs 6/10) with easier setup and a gentler learning curve.
Is the QIDI X-Smart 3 worth $50 more than the Elegoo Saturn 3 Ultra?
The Elegoo Saturn 3 Ultra actually scores higher (8/10) despite costing $50 less. The QIDI X-Smart 3 only makes sense if you specifically need compact.
What's the main difference between Elegoo Saturn 3 Ultra and QIDI X-Smart 3?
Technology: the Elegoo Saturn 3 Ultra is RESIN (filament) and the QIDI X-Smart 3 is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.

