Prusa MK4S vs MK4: Full Specs Comparison

Build volume is often the first spec people compare. The build volumes are identical. For most users, anything above 220×220mm is sufficient for daily printing. Larger volumes become important for cosplay armor, functional enclosures, and batch production.

Hotend temperature directly affects material compatibility. The Prusa MK4 reaches higher temperatures (300°C), which unlocks engineering materials like polycarbonate and carbon-fiber nylon. If you only plan to print PLA and PETG, both printers handle these equally well.

Print speed depends on the motion system, input shaping support, and firmware optimization. Both printers support modern speed techniques, but real-world results depend on your specific models, materials, and quality settings. In practice, both achieve excellent results at 100-200mm/s, with the potential to push higher for draft-quality prints.

Who Should Buy Each Printer?

The Prusa Research MK4S is ideal for users who prioritize reliable everyday printing with a proven platform. This printer suits makers who want reliable everyday printing with a proven platform without compromise.

The Prusa MK4 is ideal for users who prioritize a competitive feature set at a strong price point. This is a strong choice for anyone who wants a competitive feature set at a strong price point and reliable performance.

Our Verdict

Both printers represent good value in their respective categories. The choice ultimately comes down to your specific requirements:

• Choose the Prusa Research MK4S if reliable everyday printing with a proven platform is your top priority
• Choose the Prusa MK4 if a competitive feature set at a strong price point matters more to you
• If you’re still unsure, consider which brand has better local support and community resources in your area — this often matters more than minor spec differences

Frequently Asked Questions

Are these printers suitable for beginners?

Both printers feature auto bed leveling and user-friendly interfaces that make them accessible to beginners. The learning curve is similar for each — expect to spend 30-60 minutes on initial setup and a few days of experimentation before achieving consistently good results. Active online communities for both brands provide ample support for newcomers.

Which printer is better for functional parts?

For functional parts in PLA or PETG, both perform equally well. For engineering materials (nylon, polycarbonate, carbon-fiber composites), the printer with higher hotend temperature and enclosure (if applicable) has a clear advantage. Review the spec comparison table above for the specific thermal capabilities of each model.

How do maintenance costs compare?

Annual maintenance for both printers typically runs $30-80 and includes replacement nozzles ($5-15 each), build surface replacements ($10-25), and occasional PTFE tubing or belt changes. Parts availability is good for both brands through their official stores and third-party suppliers. Neither requires significantly more maintenance than the other.

Can I upgrade these printers later?

Yes — both platforms support common upgrades: Klipper firmware (for faster printing via input shaping), upgraded hotends (for higher temperatures), and improved extruders. The modding community for both brands is active, with detailed guides available on Reddit and YouTube. Budget $50-150 for meaningful upgrades that extend the printer’s capabilities.

Prusa Research MK4S vs Prusa MK4 — Which 3D Printer Should You Buy?

Choosing between the Prusa Research MK4S and Prusa MK4? This side-by-side comparison breaks down every spec that matters — build volume, print speed, features, and real-world usability — so you can make the right call for your workspace and budget.

Quick Answer

Our pick: Prusa MK4. It wins on more key specs including build volume, temperature range, and convenience features.

Specs Comparison Table

Specification	Prusa Research MK4S	Prusa MK4
Build Volume	210 × 250 × 220 mm (11,550 cm³)	210 × 250 × 220 mm (11,550 cm³)
Frame Type	Open
Max Hotend Temp	260°C	300°C
Max Bed Temp	100°C	120°C
Extruder Type	Bowden	Direct
Hotend Type	Bowden	All-Metal
Auto-Leveling	None	Mesh
Enclosed	❌ No	❌ No
Heated Enclosure	❌ No	❌ No
Input Shaping	❌ No	✅ Yes
WiFi	❌ No	❌ No
Power Loss Recovery	❌ No	✅ Yes
Filament Sensor	❌ No	✅ Yes
Spool Sensors	❌ No	✅ Yes
Multi-Material	❌ No	✅ Yes
USB Media	✅ Yes	✅ Yes

Prusa Research MK4S — Strengths & Weaknesses

Pros

• 11,550 cm³ build volume — good for medium-sized prints
• 260°C max hotend temp — best for PLA and PETG

Cons

• No enclosure — limited for engineering materials like ABS
• No WiFi — requires USB/SD card for file transfers
• No auto-leveling — manual bed leveling required
• No input shaping — may show ringing at higher speeds
• No power loss recovery — power outage means a failed print

Prusa MK4 — Strengths & Weaknesses

Pros

• 11,550 cm³ build volume — good for medium-sized prints
• 300°C max hotend temp — supports engineering materials like ABS, PETG, nylon
• Input shaping enabled — faster print speeds without ringing
• Mesh auto-leveling — less manual calibration

Cons

• No enclosure — limited for engineering materials like ABS
• No WiFi — requires USB/SD card for file transfers

Build Volume Comparison

The Prusa Research MK4S offers 210 × 250 × 220 mm (11,550 cm³) while the Prusa MK4 provides 210 × 250 × 220 mm (11,550 cm³). Both printers offer similar build volumes, so size isn’t a deciding factor.

Temperature & Materials

The Prusa Research MK4S reaches 260°C and the Prusa MK4 reaches 300°C. Both printers can handle standard PLA and PETG.

For ABS and ASA printing, neither printer has an enclosure, which limits their suitability for ABS and ASA without modifications.

Which Should You Buy?

Choose the Prusa Research MK4S if you need 11,550 cm³ build volume and a budget-friendly open-frame printer.

Choose the Prusa MK4 if you prioritize 11,550 cm³ build volume and a compact, open-frame design.

Recommended Filament Settings

Looking for the best print settings for your new printer? Check out our Filament Settings Web App for community-tested temperature, speed, and retraction recommendations for Prusa Research MK4S and Prusa MK4.

All specifications are sourced from our Filament Settings Database and manufacturer data. For the latest pricing and availability, check the product pages linked above.

Frequently Asked Questions