Elegoo Saturn 4 Ultra vs QIDI iBox Mono2
Head-to-head 3D printer comparison — 2026
The Elegoo Saturn 4 Ultra and QIDI iBox Mono2 are both RESIN 3D printers competing in different tiers — $459 vs $229. We scored both across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Saturn 4 Ultra takes the crown with 7.8/10 vs 6.4/10. It pulls ahead in Value, Print Quality, Speed, Reliability. That said, the QIDI iBox Mono2 saves you $230.
Score Breakdown
Specifications
| Spec | Elegoo Saturn 4 Ultra | QIDI iBox Mono2 |
|---|---|---|
| Price | $459 | $229 |
| Type | RESIN | RESIN |
| Build Volume | 218 x 123 x 220 mm | 120 x 68 x 200 mm |
| Print Speed | 150 mm/s | 90 mm/s |
| Min Resolution | 0.01 mm | 0.01 mm |
| Weight | 11 kg | 5.2 kg |
| Overall Score | 7.8/10 | 6.4/10 |
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
QIDI iBox Mono2
+Compact enclosed design reduces odor spread
+WiFi standard
+QIDI build quality
+Minimal desk footprint
−4K resolution dated
−Smaller build volume
−QIDI resin community less established
−Pricier than alternatives at this spec
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 QIDI iBox Mono2 if you want:
- A great printer for resin
- A great printer for miniatures
- A great printer for compact
- 4K mono LCD
- Enclosed design
- WiFi
Frequently Asked Questions
Is the Elegoo Saturn 4 Ultra better than the QIDI iBox Mono2?
By the numbers, the Elegoo Saturn 4 Ultra scores higher (7.8/10). But "better" depends on your use case — the QIDI iBox Mono2 may be the smarter buy if you need resin.
Which is better for beginners, Elegoo Saturn 4 Ultra or QIDI iBox Mono2?
Both score 6/10 for beginners. Go with the QIDI iBox Mono2 to save $230.
Is the Elegoo Saturn 4 Ultra worth $230 more than the QIDI iBox Mono2?
The Elegoo Saturn 4 Ultra scores higher overall (7.8/10 vs 6.4/10). The extra $230 gets you larger build plate than mars series.
What's the main difference between Elegoo Saturn 4 Ultra and QIDI iBox Mono2?
Build volume (218x123x220mm vs 120x68x200mm) and print speed (150 vs 90 mm/s). The Elegoo Saturn 4 Ultra is best for resin; the QIDI iBox Mono2 targets resin.