Elegoo Neptune 4 Plus vs Kingroon KP3S Pro V2
Head-to-head 3D printer comparison, 2026
The Elegoo Neptune 4 Plus and Kingroon KP3S Pro V2 are both FDM 3D printers competing in different tiers, $299 vs $159. 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 7.2/10. It pulls ahead in Beginner Friendliness, Print Quality, Speed, Reliability. That said, the Kingroon KP3S Pro V2 saves you $140.
Direct answer
Elegoo Neptune 4 Plus is the better pick for most buyers.
Choose Elegoo Neptune 4 Plus if you want the stronger overall score, better fit for large-format and value, and the safer recommendation. Choose Kingroon KP3S Pro V2 only if its specific strengths matter more to you than the overall result.
Winner by buyer type
Best overall
Elegoo Neptune 4 Plus
Best value
Kingroon KP3S Pro V2
Best build volume
Elegoo Neptune 4 Plus
Score Breakdown
Specifications
| Spec | Elegoo Neptune 4 Plus | Kingroon KP3S Pro V2 |
|---|---|---|
| Price | $299 | $159 |
| Type | FDM | FDM |
| Build Volume | 320 x 320 x 385 mm | 200 x 200 x 200 mm |
| Print Speed | 500 mm/s | 250 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 12.5 kg | 6.5 kg |
| Overall Score | 8.4/10 | 7.2/10 |
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
Kingroon KP3S Pro V2
+Linear rails at $159 is genuinely unusual: this feature normally costs $300+
+Direct drive handles TPU without the feeding nightmares of a Bowden setup
+Compact footprint fits on a shelf without dedicating a full desk to it
−200mm cube limits what you can print in one go
−Kingroon's community is small: if something breaks, you're mostly solving it alone
−Firmware is functional but hasn't had meaningful updates in a while
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 Kingroon KP3S Pro V2 if you want:
- A great printer for budget
- A great printer for compact
- Linear rails
- Direct drive
- Auto bed leveling
Frequently Asked Questions
Is the Elegoo Neptune 4 Plus better than the Kingroon KP3S Pro V2?
By the numbers, the Elegoo Neptune 4 Plus scores higher (8.4/10). But "better" depends on your use case, the Kingroon KP3S Pro V2 may be the smarter buy if you need budget.
Which is better for beginners, Elegoo Neptune 4 Plus or Kingroon KP3S Pro V2?
The Elegoo Neptune 4 Plus is more beginner-friendly (8/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Elegoo Neptune 4 Plus worth $140 more than the Kingroon KP3S Pro V2?
The Elegoo Neptune 4 Plus scores higher overall (8.4/10 vs 7.2/10). The extra $140 gets you 320×320×385mm at $299 — the largest build volume at this price point.
What's the main difference between Elegoo Neptune 4 Plus and Kingroon KP3S Pro V2?
Build volume (320x320x385mm vs 200x200x200mm) and print speed (500 vs 250 mm/s). The Elegoo Neptune 4 Plus is best for large-format; the Kingroon KP3S Pro V2 targets budget.