Printers

3D printer specs compared

The numbers that decide what a printer can make, side by side, each from the maker's own specification page.

Current printers

Build plate size is the first two numbers of the build volume. "Not published" means the maker's page does not give that figure.

Printer Build volume Max nozzle temp Max bed temp Max speed Max hotend flow Enclosure Source
Bambu Lab A1 mini 180 × 180 × 180 mm 300 °C 80 °C 500 mm/s 28 mm³/s (ABS) Open Bambu Lab
Bambu Lab A1 256 × 256 × 256 mm 300 °C 100 °C 500 mm/s 28 mm³/s (ABS) Open Bambu Lab
Bambu Lab P1S 256 × 256 × 256 mm 300 °C 100 °C 500 mm/s Not published Enclosed Bambu Lab store
Bambu Lab P2S 256 × 256 × 256 mm 300 °C 110 °C 600 mm/s 40 mm³/s (ABS) Enclosed Bambu Lab
Prusa MK4S 250 × 210 × 220 mm 290 °C 120 °C Not published Not published Open (enclosure sold separately) Prusa Research
Prusa CORE One+ 250 × 220 × 270 mm 290 °C 120 °C Not published Not published Enclosed, heated to 55 °C Prusa Research
Creality K2 Plus 350 × 350 × 350 mm 350 °C 120 °C 600 mm/s Not published Enclosed, heated to 60 °C Creality

Reading the columns

Build volume is the largest part the printer can make in one piece.

Max nozzle temp sets which filaments it can melt. ABS and ASA print around 260 °C and PC around 275 °C, going by Prusament's data sheets.

Max bed temp matters for the same filaments. Prusament gives 110 °C for ASA and PC Blend.

Max hotend flow is how much plastic the hotend can melt each second. It limits real print speed more than the top speed does. Bambu Lab tests it on ABS, so other filaments give different numbers.

Enclosure keeps the heat in, which ABS, ASA and PC need to avoid warping.

Common questions

A printer only reaches it on long, straight moves with a hotend that can melt plastic fast enough. The max volumetric speed calculator shows the real limit for your layer height and line width.
The A1 prints 256 × 256 mm, the same as the P1S and P2S. The A1 mini prints 180 × 180 mm.
The maker's specification page does not give that figure, and this table does not fill gaps from reviews or retailers.

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Specifications come from manufacturers' published pages and can change. Check your printer's current documentation before you change a setting or fit a part.