Phrozen Sonic Mini 8K S vs Prusa MK4S
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Phrozen Sonic Mini 8K S ($329, RESIN) and Prusa MK4S ($799, FDM) use fundamentally different technologies. FDM melts filament layer by layer; resin cures liquid with UV light. Here's how they stack up.
Our Verdict
The Prusa MK4S takes the crown with 7.8/10 vs 7.2/10. It pulls ahead in Beginner Friendliness, Speed, Reliability. That said, the Phrozen Sonic Mini 8K S saves you $470 and wins on Value, Print Quality.
Score Breakdown
Specifications
| Spec | Phrozen Sonic Mini 8K S | Prusa MK4S |
|---|---|---|
| Price | $329 | $799 |
| Type | RESIN | FDM |
| Build Volume | 165 x 72 x 180 mm | 250 x 210 x 220 mm |
| Print Speed | 80 mm/s | 200 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 6.5 kg | 7 kg |
| Overall Score | 7.2/10 | 7.8/10 |
Pros & Cons
Phrozen Sonic Mini 8K S
+22-micron XY resolution
+Best detail for miniatures and jewelry
+Reliable mono LCD
+Good community
−Slow print speed
−Small build plate
−No WiFi
−Phrozen resin recommended
Prusa MK4S
+Legendary reliability
+Fully open source
+PrusaSlicer is excellent
+Best customer support in the industry
−Expensive for the speed
−Slower than CoreXY competition
−Open frame
−Showing its age vs Bambu
Who Should Buy Which?
Choose the Phrozen Sonic Mini 8K S if you want:
- A great printer for miniatures
- A great printer for detail
- A great printer for resin
- 7.1" 8K mono LCD
- 22-micron XY resolution
- ParaLED 3.0
Choose the Prusa MK4S if you want:
- A great printer for reliability
- A great printer for open-source
- Open source
- PrusaSlicer
- Nextruder
Frequently Asked Questions
Is the Phrozen Sonic Mini 8K S better than the Prusa MK4S?
By the numbers, the Prusa MK4S scores higher (7.8/10). But "better" depends on your use case — the Phrozen Sonic Mini 8K S may be the smarter buy if you need miniatures.
Which is better for beginners, Phrozen Sonic Mini 8K S or Prusa MK4S?
The Prusa MK4S is more beginner-friendly (8/10 vs 6/10) with easier setup and a gentler learning curve.
Is the Prusa MK4S worth $470 more than the Phrozen Sonic Mini 8K S?
The Prusa MK4S scores higher overall (7.8/10 vs 7.2/10). The extra $470 gets you legendary reliability.
What's the main difference between Phrozen Sonic Mini 8K S and Prusa MK4S?
Technology: the Phrozen Sonic Mini 8K S is RESIN (filament) and the Prusa MK4S is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.