- Which is better for multi-color printing?
- The U1. Its four toolheads swap in about 5 seconds and barely purge, so colors and materials change fast with little waste. The P1S Combo's AMS feeds one nozzle, which needs purging between colors.
- Which handles ABS and ASA?
- The P1S Combo. It is fully enclosed and lists ABS and ASA support. The U1 is an open-frame printer listed for PLA, PETG and TPU.
- Is the U1 worth the extra money?
- If you print multi-color or multi-material parts often, yes. The $699.00 U1 price on November 3, 2026 buys faster color changes and less wasted filament. For single-color printing, the $479.99 P1S Combo is the better value.
- Which is easier for a beginner?
- The P1S Combo. Bambu Studio and the enclosed design make it more plug-and-play. The U1 is aimed at advanced users and runs open Klipper firmware.
- Which has the larger build volume?
- The U1, at 270 x 270 x 270 mm versus 256 x 256 x 256 mm on the P1S. The difference is small but real on large parts.
- Which prints faster?
- The P1S lists a higher 500 mm/s top speed. The U1 prints at up to 300 mm/s with 500 mm/s travel, but its 5-second tool changes make multi-color jobs much faster overall.
