Elegoo Saturn 4 Ultra vs Prusa XL
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Elegoo Saturn 4 Ultra ($459, RESIN) and Prusa XL ($1999, 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 Elegoo Saturn 4 Ultra takes the crown with 7.8/10 vs 6.8/10. It pulls ahead in Value, Beginner Friendliness, Speed. The Prusa XL still puts up a fight in Reliability.
Score Breakdown
Specifications
| Spec | Elegoo Saturn 4 Ultra | Prusa XL |
|---|---|---|
| Price | $459 | $1999 |
| Type | RESIN | FDM |
| Build Volume | 218 x 123 x 220 mm | 360 x 360 x 360 mm |
| Print Speed | 150 mm/s | 200 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 11 kg | 25 kg |
| Overall Score | 7.8/10 | 6.8/10 |
Pros & Cons
Elegoo Saturn 4 Ultra
+Larger build plate than Mars series
+12K resolution
+Print multiple minis at once
+Good for busts and terrain
−More expensive than Mars
−Still requires post-processing
−Heavy resin smell even with purifier
Prusa XL
+True tool-changer (5 independent tools)
+Massive build volume
+Segmented heated bed saves energy
+Open source
−Very expensive
−Slow compared to CoreXY
−Huge footprint
−Long delivery times
Who Should Buy Which?
Choose the Elegoo Saturn 4 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 Prusa XL if you want:
- A great printer for professional
- A great printer for large-prints
- A great printer for multi-color
- Multi-tool (up to 5 heads)
- 360mm build volume
- Segmented heatbed
Frequently Asked Questions
Is the Elegoo Saturn 4 Ultra better than the Prusa XL?
By the numbers, the Elegoo Saturn 4 Ultra scores higher (7.8/10). But "better" depends on your use case — the Prusa XL may be the smarter buy if you need professional.
Which is better for beginners, Elegoo Saturn 4 Ultra or Prusa XL?
The Elegoo Saturn 4 Ultra is more beginner-friendly (6/10 vs 5/10) with easier setup and a gentler learning curve.
Is the Prusa XL worth $1540 more than the Elegoo Saturn 4 Ultra?
The Elegoo Saturn 4 Ultra actually scores higher (7.8/10) despite costing $1540 less. The Prusa XL only makes sense if you specifically need professional.
What's the main difference between Elegoo Saturn 4 Ultra and Prusa XL?
Technology: the Elegoo Saturn 4 Ultra is RESIN (filament) and the Prusa XL is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.