Bambu Lab P1S vs Snapmaker U1
- The U1 has 17% more build volume (19.7 L against 16.8 L).
- Per litre, the P1S is the cheaper space at $24 against $51.
- Only the U1 publishes a flow rate (32 mm³/s, roughly 400 mm/s of line speed), so the other's speed claim cannot be checked.

Bambu Lab
P1S
~$399 · 16.8 L
A first enclosed printer, or a second machine for ABS and ASA.

Snapmaker
U1
~$999 · 19.7 L
Multi-colour printing where the purge waste of AMS-style changers has become the limiting cost.
| P1S | U1 | |
|---|---|---|
| Approx. price | ~$399 | ~$999 |
| Build volumex × y × z converted to litres, so three numbers become one comparable one | 16.8 L | 19.7 L |
| Dimensions | 256 × 256 × 256 mm | 270 × 270 × 270 mm |
| Per litre | $24 | $51 |
| Type | FDM enclosed | FDM multi-material |
| Motion | CoreXY | CoreXY |
| Max flowthe hotend's rated volumetric flow — what actually caps print speed | not published | 32 mm³/s |
| Real line speedestimated from flow at a 0.4 mm nozzle and 0.2 mm layer | not published | 400 mm/s |
| Max speedthe manufacturer's claim — gantry movement, not extrusion | 500 mm/s | 500 mm/s |
| Hotend max temp | 300 °C | 300 °C |
| Bed max temp | 100 °C | 100 °C |
| Enclosure | Enclosed, unheated chamber | Open frame |
| Extruder | direct drive | direct drive |
| Auto level | strain-gauge | probe |
| Hardened nozzle | No | No |
| Multi-material | AMS, 4 slots | toolchanger, 4 slots (included) |
| True multi-material priceprinter plus the changer it is photographed with | ~$549 | ~$999 |
| Firmware | Bambu | proprietary |
| LAN-only mode | Yes | Yes |
| Camera | Yes | Yes |
| Assembly | Pre-assembled | Pre-assembled |
| Noise | 55 dB | — |
| Released | 2023 | 2025 |