Elegoo Neptune 4 Plus vs Prusa MK4S
Head-to-head 3D printer comparison, 2026
The Elegoo Neptune 4 Plus and Prusa MK4S are both FDM 3D printers competing in different tiers, $299 vs $929. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Neptune 4 Plus takes the crown with 8.4/10 vs 7.8/10. It pulls ahead in Value, Speed. The Prusa MK4S still puts up a fight in Print Quality and Reliability.
Score Breakdown
Specifications
| Spec | Elegoo Neptune 4 Plus | Prusa MK4S |
|---|---|---|
| Price | $299 | $929 |
| Type | FDM | FDM |
| Build Volume | 320 x 320 x 385 mm | 250 x 210 x 220 mm |
| Print Speed | 500 mm/s | 200 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 12.5 kg | 7 kg |
| Overall Score | 8.4/10 | 7.8/10 |
Pros & Cons
Elegoo Neptune 4 Plus
+320×320×385mm at $299 — the largest build volume at this price point
+Stock Klipper means real input shaping, pressure advance, and Moonraker API access
+Direct-drive handles TPU and flexible filaments without clog risk
+Mainsail interface enables remote monitoring and print farm integration
+Dual Z-axis prevents gantry sag on tall prints
−Open-frame limits material compatibility — ABS/ASA require an enclosure
−500mm/s achievable but optimal quality typically at 200-300mm/s
−Large bed means longer homing and leveling cycles
−Elegoo's support and community is smaller than Creality's
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 Plus if you want:
- A great printer for large-format
- A great printer for value
- A great printer for beginner
- A great printer for speed
- Stock Klipper firmware with Mainsail web interface
- 320×320×385mm XL build volume
- 500mm/s max print speed with input shaping
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 Plus better than the Prusa MK4S?
By the numbers, the Elegoo Neptune 4 Plus scores higher (8.4/10). But "better" depends on your use case, the Prusa MK4S may be the smarter buy if you need reliability.
Which is better for beginners, Elegoo Neptune 4 Plus or Prusa MK4S?
Both score 8/10 for beginners. Go with the Elegoo Neptune 4 Plus to save $630.
Is the Prusa MK4S worth $630 more than the Elegoo Neptune 4 Plus?
The Elegoo Neptune 4 Plus actually scores higher (8.4/10) despite costing $630 less. The Prusa MK4S only makes sense if you specifically need reliability.
What's the main difference between Elegoo Neptune 4 Plus and Prusa MK4S?
Build volume (320x320x385mm vs 250x210x220mm) and print speed (500 vs 200 mm/s). The Elegoo Neptune 4 Plus is best for large-format; the Prusa MK4S targets reliability.