Elegoo Neptune 4 Pro vs Prusa MK4S
Head-to-head 3D printer comparison — 2026
The Elegoo Neptune 4 Pro and Prusa MK4S are both FDM 3D printers competing in different tiers — $259 vs $799. We scored both across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Neptune 4 Pro takes the crown with 8/10 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 Pro | Prusa MK4S |
|---|---|---|
| Price | $259 | $799 |
| Type | FDM | FDM |
| Build Volume | 225 x 225 x 265 mm | 250 x 210 x 220 mm |
| Print Speed | 500 mm/s | 200 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 10.5 kg | 7 kg |
| Overall Score | 8/10 | 7.8/10 |
Pros & Cons
Elegoo Neptune 4 Pro
+Linear rails at this price
+Klipper pre-installed
+500mm/s speed
+Solid build quality
−Mixed early firmware reviews
−Community smaller than Creality/Bambu
−No WiFi
Prusa MK4S
+Legendary reliability
+Fully open source
+PrusaSlicer is excellent
+Best customer support in the industry
−Expensive for the speed
−Slower than CoreXY competition
−Open frame
−Showing its age vs Bambu
Who Should Buy Which?
Choose the Elegoo Neptune 4 Pro if you want:
- A great printer for budget
- A great printer for speed
- 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 Pro better than the Prusa MK4S?
By the numbers, the Elegoo Neptune 4 Pro scores higher (8/10). 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 Pro or Prusa MK4S?
Both score 8/10 for beginners. Go with the Elegoo Neptune 4 Pro to save $540.
Is the Prusa MK4S worth $540 more than the Elegoo Neptune 4 Pro?
The Elegoo Neptune 4 Pro actually scores higher (8/10) despite costing $540 less. The Prusa MK4S only makes sense if you specifically need reliability.
What's the main difference between Elegoo Neptune 4 Pro and Prusa MK4S?
Build volume (225x225x265mm vs 250x210x220mm) and print speed (500 vs 200 mm/s). The Elegoo Neptune 4 Pro is best for budget; the Prusa MK4S targets reliability.

