Prusa MK4S vs Bambu Lab A1

What published reviews say about each, where the two differ, and who each one suits.

Summed up from 16 published reviews

Prusa

MK4S

The Prusa MK4S delivers fast, reliable printing with excellent cooling and upgradeability at a premium price.

Best for: Serious makers valuing reliability, upgradeability, open-source
Skip it if: Need budget enclosed printer with fastest speeds

PriceToday's price on AmazonView on Amazon

What reviewers say about the Prusa MK4S

Bambu Lab

A1

The Bambu Lab A1 delivers fast, quiet, user-friendly printing with easy multi-color via AMS Lite, but lacks an enclosure and wastes filament on color changes.

Best for: Beginners wanting easy multi-color PLA/PETG printing
Skip it if: Need ABS/ASA or open-source customization

PriceToday's price on AmazonView on Amazon

What reviewers say about the Bambu Lab A1

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Specs side by side

Spec	Prusa MK4S	Bambu Lab A1
Build volume	250 × 211 × 218 mm	–
Auto levelling	No	Yes
Type	Filament (FDM)	Filament (FDM)
Multicolour	No	No
Enclosed	No	No
Wi-Fi	No	No

Rows where the two differ come first.

Where only one fits

build size: MK4SStandard
must-haves: A1Auto levelling

What reviewers like, and what they don't

Prusa MK4S

High-flow CHT nozzle enables faster printing with common filaments 1 3 4 6
Excellent cooling allows overhangs up to 75° without supports 1 3 4 6
Quiet operation suitable for office use 1 5 7
Reliable first layer with automatic bed leveling 1 2 6 7
Strong upgrade path and long-term repairability 1 3 6 8
Premium price higher than many competitors 1 2 3 6
Open frame requires enclosure for high-temp materials 2 3 5 6
Slower than some CoreXY competitors like Bambu Lab 3 8
Firmware quirks and occasional false filament alarms 3 8

Bambu Lab A1

Fast printing speeds up to 500 mm/s 1 2 3
Quiet operation around 49 dB with ANC 1 3 4
Easy setup with auto bed leveling 1 2 4
Multi-color printing via AMS Lite 1 2 4
Direct drive hotend with tool-free nozzles 1 2 5
No enclosure limits materials to PLA/PETG 4 5 7
AMS Lite bulky, requires large footprint 1 2 4
Filament waste during color changes 1 5 8
Multi-color printing slower due to purging 1 5 8

Ranked in our guides

Guide	MK4S	A1
Best 3D printers for beginners	–	#8

Sources

We don't test products ourselves. This page sums up 16 published reviews, read on October 24, 2026; each point above links to the reviews that make it.