Elegoo Neptune 4 Max vs QIDI iBox Mono2
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Elegoo Neptune 4 Max ($469, FDM) and QIDI iBox Mono2 ($229, RESIN) 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 Neptune 4 Max takes the crown with 7/10 vs 6.4/10. It pulls ahead in Value, Speed. That said, the QIDI iBox Mono2 saves you $240 and wins on Beginner Friendliness.
Score Breakdown
Specifications
| Spec | Elegoo Neptune 4 Max | QIDI iBox Mono2 |
|---|---|---|
| Price | $469 | $229 |
| Type | FDM | RESIN |
| Build Volume | 420 x 420 x 480 mm | 120 x 68 x 200 mm |
| Print Speed | 500 mm/s | 90 mm/s |
| Min Resolution | 0.05 mm | 0.01 mm |
| Weight | 22 kg | 5.2 kg |
| Overall Score | 7/10 | 6.4/10 |
Pros & Cons
Elegoo Neptune 4 Max
+420x420x480mm with Klipper for $469: the price-to-volume ratio is hard to beat
+Direct drive on a bed this large is unusual and useful for flexible materials
+Klipper gives you full control to tune speed and acceleration for the mass of this bed
+Prints full armor breastplates in a single run
−Open frame at this scale means ABS warping will ruin prints without serious prep
−The sheer footprint means a dedicated table minimum; don't try to share desk space
−Slower effective speeds on a 420mm heated bed: physics wins eventually
QIDI iBox Mono2
+Enclosed design contains resin fumes better than open printers without relying solely on a purifier
+WiFi standard, unlike some competitors at this price
+QIDI build quality is solid and consistent
+Minimal footprint fits where other resin printers won't
−4K resolution is significantly behind competitors offering 9K at the same price
−120x68mm build volume is one of the smallest in the category
−$229 for 4K when Elegoo Mars 4 gives you 7K for $149 is a tough math problem
−QIDI's resin community is small: problems stay unsolved longer
Who Should Buy Which?
Choose the Elegoo Neptune 4 Max if you want:
- A great printer for large-prints
- A great printer for budget
- A great printer for cosplay
- Klipper firmware
- Auto bed leveling
- Direct drive
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 Neptune 4 Max better than the QIDI iBox Mono2?
By the numbers, the Elegoo Neptune 4 Max scores higher (7/10). 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 Neptune 4 Max or QIDI iBox Mono2?
The QIDI iBox Mono2 is more beginner-friendly (6/10 vs 5/10) with easier setup and a gentler learning curve.
Is the Elegoo Neptune 4 Max worth $240 more than the QIDI iBox Mono2?
The Elegoo Neptune 4 Max scores higher overall (7/10 vs 6.4/10). The extra $240 gets you 420x420x480mm with klipper for $469: the price-to-volume ratio is hard to beat.
What's the main difference between Elegoo Neptune 4 Max and QIDI iBox Mono2?
Technology: the Elegoo Neptune 4 Max is FDM (filament) and the QIDI iBox Mono2 is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.