The verdict
The Neptune 4 Pro is the Klipper firmware pick. Open-source flexibility with hardware capable of matching Bambu speeds — useful for tinkerers who want to dive into firmware-level customization. Trade-off is the smaller community.
Strengths
- +500 mm/s print speed and 4500 mm/s² acceleration
- +Klipper firmware — open-source flexibility
- +Larger 225×225×265mm build volume than the Ender 3 V3 KE
- +Magnetic PEI build plate
Watch-outs
- −Slicer (ElegooSlicer) less polished than Bambu Studio
- −Smaller Elegoo community vs Creality / Bambu
- −Tuning required to hit advertised speeds reliably
How it compares
Klipper firmware unique here. Larger build than Ender 3 V3 KE. Smaller community than Creality.
Who this is for
At a glance: tinkerers who want Klipper firmware and don't mind tuning for advertised speeds.
Why you’d buy the Elegoo Neptune 4 Pro
- 500 mm/s print speed and 4500 mm/s² acceleration.
- Klipper firmware — open-source flexibility.
- Larger 225×225×265mm build volume than the Ender 3 V3 KE.
Why you’d skip it
- Slicer (ElegooSlicer) less polished than Bambu Studio.
- Smaller Elegoo community vs Creality / Bambu.
- Tuning required to hit advertised speeds reliably.
Rating sources
Our 4.4 score is the average of these published ratings. More about methodology.
