Prusa Core One vs Prusa MK4S: print cost head-to-head

Specs side by side

Sample calculation

Same input on both columns: 50 g PLA part, 6 h print time, 8% failure rate. Energy cost held at $0.18/kWh, amortization uses each printer's regional price — so both the machine and its price drive the numbers.

Verdict by dimension

• Cheaper to buy

  Prusa MK4S

  Prusa MK4S costs $899 vs $1,199 for the Prusa Core One — a lower upfront price also means less amortization per print.

• Cheaper to run

  Prusa MK4S

  Prusa MK4S draws 130 W on average vs 180 W for the Prusa Core One — lower power means a smaller energy line in every print.

• Longer useful life

  Prusa Core One

  Prusa Core One is rated at 30,000 h vs 25,000 h for the Prusa MK4S, so amortization spreads over more printing hours.

• Larger build volume

  Prusa Core One

  Prusa Core One ships with 250 × 220 × 270 mm build volume vs 250 × 210 × 220 mm on the Prusa MK4S — bigger plates or batched parts fit without splitting.

• More recent release

  Tie

  Both printers land within the noise threshold for this dimension.

Both target Professionals buyers, so the decision usually comes down to brand ecosystem and after-sale service.

Over a 5-year horizon, the Prusa Core One amortizes 1.2× more print-hours than the Prusa MK4S.

Frequently asked questions

Is the Prusa Core One better than the Prusa MK4S?

Neither is strictly better — it depends on what you print. The Prusa MK4S is cheaper to run, the Prusa Core One has the larger build volume, and the Prusa Core One is the more recent release. Match the winner on the dimension you care about most.

What's the difference between the Prusa Core One and the Prusa MK4S?

The Prusa Core One is priced at $1,199 with a 250 × 220 × 270 mm build volume; the Prusa MK4S is $899 with 250 × 210 × 220 mm. Beyond price and volume, they differ in power draw, rated life and release year — see the verdict table above.

Which is cheaper, the Prusa Core One or the Prusa MK4S?

The Prusa MK4S is cheaper to buy at $899 vs $1,199 for the Prusa Core One. Factoring energy and amortization, the Prusa MK4S also has the lower per-print running cost — run your own numbers in the calculator to be sure.