Prusa Research MK4S vs Bambu Lab H2S

The Prusa Research MK4S (2024, €1,099) and the Bambu Lab H2S (2025, €1,149) are two FDM 3D printers many people compare before buying.

On the technical side, only the Bambu Lab H2S is enclosed (better for ABS and technical materials), and the Bambu Lab H2S offers more build volume (340×320×340 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
Prusa Research
MK4S
€1,099
Bambu Lab
H2S
€1,149
Geometry
Build volume 250×210×220 mm 340×320×340 mm 🏆
Weight 7 kg 30 kg
Speed
Max speed 300 mm/s 1000 mm/s 🏆
Max acceleration 10,000 mm/s² 20,000 mm/s² 🏆
Hot-end
Max nozzle temp 290 °C 350 °C 🏆
Nozzle material hardened steel hardened steel
Drive type direct direct
Flow rate 30 mm³/s 40 mm³/s 🏆
Bed
Max bed temp 120 °C 🏆 110 °C
Bed material PEI plate Dual-Sided Textured PEI Plate
Auto-leveling load cell auto mesh Vision encoder + load cell
Enclosed No Yes 🏆
Heated chamber No Yes 🏆
Multimaterial
AMS compatible Yes Yes
AMS type MMU3 ht
AMS slots 5 🏆 4
Connectivity
WiFi Yes Yes
Ethernet Yes Yes
Camera Yes (1080p)
Calibration
Vibration compensation Yes Yes
Flow calibration No Yes
Input shaping Yes Yes
Pressure advance Yes Yes
Software
Official slicer PrusaSlicer Bambu Studio
OrcaSlicer Yes Yes
Noise
Noise 50 dB 🏆
Power 240 W 🏆 1800 W

Verdict

Frequently asked

Which has better value: Prusa Research MK4S or Bambu Lab H2S?
See the full spec table for the best decision based on your use case.
Which has the larger build volume?
Bambu Lab H2S with 340×320×340 mm.

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