Prusa MK4S vs Bambu Lab P2S (2026)
Open vs closed: the philosophical divide in 3D printing, priced $190 apart.
Prices and specs verified September 2026. How we rate products.
| Feature | Prusa MK4S | Bambu Lab P2S |
|---|---|---|
| MetaScore | 8.6 / 10 (10 sources) | 8.8 / 10 (10 sources) |
| Price | $740 assembled (Back to School sale; $999 list) | $549 standalone; $749 P2S Combo with AMS 2 Pro |
| Build volume | 250 × 210 × 220 mm | 256 × 256 × 256 mm |
| Max speed | Not published (24 mm³/s flow) | 600 mm/s |
| Motion | Open-frame Cartesian, Nextruder direct drive | CoreXY, fully enclosed |
| Multicolor | Optional MMU3 — 5 colors (~$359–389) | AMS 2 Pro (Combo) — 4 colors + active drying |
| Nozzle | Bondtech CHT high-flow brass, 290 °C max | 0.4 mm hardened steel, 300 °C max |
| Bed | PEI spring steel, 120 °C, load-cell leveling | Textured PEI spring steel, auto leveling |
| Noise | Very quiet (reviewer consensus; no official dB) | ~65 dB (reviewer-measured) |
| Connectivity | Wi-Fi, Ethernet, USB, Prusa Connect | Wi-Fi, Bluetooth, USB (no Ethernet) |
Prusa MK4S — MetaScore 8.6
The open-source workhorse. Buy it for life.
Check price — Prusa MK4S Full reviewBambu Lab P2S — MetaScore 8.8
X1C-level prints without the X1C price.
Check price — Bambu Lab P2S Full review Our verdict: On specs-per-dollar the P2S wins walking away. But the MK4S is not a specs purchase — it is an ownership purchase: open-source, repairable, supported for a decade, no cloud. Choose with your values, not a spreadsheet.
Key differences
- Prusa MK4S strengths: Reference-level print quality — Tom’s Editors’ Choice, 29/30 test scores; Open-source hardware and firmware; repairable buy-it-for-life design; No cloud dependency; 24/7 support; parts available for years.
- Bambu Lab P2S strengths: Print quality rivaling the X1C for much less money, per owner comparisons; DynaSense servo extruder: fewer jams, better consistency on CF-PLA and TPU; Fully enclosed — ABS, ASA, and nylon-capable at $549.
- Prusa MK4S weaknesses: Premium price — 2–3× budget CoreXY machines; Open-frame bed-slinger; no enclosure included (needed for ABS/ASA).
- Bambu Lab P2S weaknesses: Closed firmware — no Klipper access, real ecosystem lock-in; Multicolor purging still wastes filament.