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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| 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
- If speed matters most, the Bambu Lab H2S wins.
- On price, Prusa Research MK4S is cheaper.
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.