Elegoo Neptune 4 Max vs Prusa MK4S
Head-to-head 3D printer comparison, 2026
The Elegoo Neptune 4 Max and Prusa MK4S are both FDM 3D printers competing in different tiers, $469 vs $929. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Prusa MK4S takes the crown with 7.8/10 vs 7/10. It pulls ahead in Beginner Friendliness, Print Quality, Reliability. That said, the Elegoo Neptune 4 Max saves you $460 and wins on Value, Speed.
Score Breakdown
Specifications
| Spec | Elegoo Neptune 4 Max | Prusa MK4S |
|---|---|---|
| Price | $469 | $929 |
| Type | FDM | FDM |
| Build Volume | 420 x 420 x 480 mm | 250 x 210 x 220 mm |
| Print Speed | 500 mm/s | 200 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 22 kg | 7 kg |
| Overall Score | 7/10 | 7.8/10 |
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
Prusa MK4S
+Prusa's QC is genuinely better than anyone else's: every printer is test-printed before shipping
+PrusaSlicer is open source and powerful, no subscription, no cloud required
+Customer support answers in hours, not weeks
+Spare parts available for 5+ year old models; no planned obsolescence
−200mm/s max is a third of what CoreXY machines do at half the price
−$929 for an open-frame bed-slinger is a hard sell in 2025
−Bambu's A1 Combo does more for $530 less
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 Prusa MK4S if you want:
- A great printer for reliability
- A great printer for open-source
- Open source
- PrusaSlicer
- Nextruder
Frequently Asked Questions
Is the Elegoo Neptune 4 Max better than the Prusa MK4S?
By the numbers, the Prusa MK4S scores higher (7.8/10). But "better" depends on your use case, the Elegoo Neptune 4 Max may be the smarter buy if you need large-prints.
Which is better for beginners, Elegoo Neptune 4 Max or Prusa MK4S?
The Prusa MK4S is more beginner-friendly (8/10 vs 5/10) with easier setup and a gentler learning curve.
Is the Prusa MK4S worth $460 more than the Elegoo Neptune 4 Max?
The Prusa MK4S scores higher overall (7.8/10 vs 7/10). The extra $460 gets you prusa's qc is genuinely better than anyone else's: every printer is test-printed before shipping.
What's the main difference between Elegoo Neptune 4 Max and Prusa MK4S?
Build volume (420x420x480mm vs 250x210x220mm) and print speed (500 vs 200 mm/s). The Elegoo Neptune 4 Max is best for large-prints; the Prusa MK4S targets reliability.