Bambu Lab A1 Mini vs Elegoo Neptune 4

The Bambu Lab A1 Mini (2023, €299) and the Elegoo Neptune 4 (2023, €249) are two FDM 3D printers many people compare before buying.

The Elegoo Neptune 4 is the more affordable of the two, with a gap of about 50 (~17%) versus the other.

On the technical side, only the Bambu Lab A1 Mini supports multicolor (AMS), and the Elegoo Neptune 4 offers more build volume (225×225×265 mm).

Below is the full spec table with the best value of each feature highlighted, plus a verdict by use case.

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Specifications
Bambu Lab
A1 Mini
€299
Elegoo
Neptune 4
€249
Geometry
Build volume 180³ mm 225×225×265 mm 🏆
Weight 5.5 kg 8.3 kg
Speed
Max speed 500 mm/s 500 mm/s
Max acceleration 10,000 mm/s² 20,000 mm/s² 🏆
Hot-end
Max nozzle temp 300 °C 300 °C
Nozzle material stainless steel —
Drive type direct direct
Flow rate 28 mm³/s 🏆 —
Bed
Max bed temp 80 °C 110 °C 🏆
Bed material PEI plate PEI
Auto-leveling load cell + auto mesh 121-point automatic (inductive sensor)
Enclosed No No
Heated chamber No No
Multimaterial
AMS compatible Yes 🏆 No
AMS type lite —
AMS slots 4 🏆 —
Connectivity
WiFi Yes No
Ethernet No —
Camera Yes (1080p) —
Calibration
Measures its own vibrations (built-in sensor) Yes —
Calibrates flow by itself (sensor) Yes —
Input shaping Yes Yes
Pressure advance Yes Yes
Software
Official slicer Bambu Studio Cura (Elegoo edition)
OrcaSlicer Yes —
Noise
Noise 48 dB 🏆 50 dB
Power 150 W 🏆 310 W

Verdict

Frequently asked

Which has better value: Bambu Lab A1 Mini or Elegoo Neptune 4?
See the full spec table for the best decision based on your use case.
Which has the larger build volume?
Elegoo Neptune 4 with 225×225×265 mm.

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