Elegoo Mars 4 vs Phrozen Sonic Mega 8K S2
Head-to-head 3D printer comparison — 2026
The Elegoo Mars 4 and Phrozen Sonic Mega 8K S2 are both RESIN 3D printers competing in different tiers — $149 vs $749. We scored both across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Mars 4 takes the crown with 7.2/10 vs 6.6/10. It pulls ahead in Value, Beginner Friendliness. The Phrozen Sonic Mega 8K S2 still puts up a fight in Print Quality and Reliability.
Score Breakdown
Specifications
| Spec | Elegoo Mars 4 | Phrozen Sonic Mega 8K S2 |
|---|---|---|
| Price | $149 | $749 |
| Type | RESIN | RESIN |
| Build Volume | 153 x 77 x 165 mm | 330 x 185 x 400 mm |
| Print Speed | 80 mm/s | 100 mm/s |
| Min Resolution | 0.02 mm | 0.01 mm |
| Weight | 6.2 kg | 22 kg |
| Overall Score | 7.2/10 | 6.6/10 |
Pros & Cons
Elegoo Mars 4
+Cheapest Elegoo Mars with WiFi
+7K resolution still excellent for minis
+Small footprint
+Known brand reliability
−No tilt release (higher FEP wear)
−Slower than Ultra variants
−7K less sharp than 9K/12K siblings
Phrozen Sonic Mega 8K S2
+Massive 330mm resin build plate
+8K detail across a large area
+Batch-print large terrain or busts
+Professional-grade build quality
−Expensive for resin
−High resin consumption
−Heavy and large footprint
−Slow like all MSLA printers
Who Should Buy Which?
Choose the Elegoo Mars 4 if you want:
- A great printer for budget
- A great printer for resin
- A great printer for miniatures
- 7K mono LCD
- WiFi
- USB
Choose the Phrozen Sonic Mega 8K S2 if you want:
- A great printer for resin
- A great printer for large-prints
- A great printer for professional
- 8K mono LCD
- 33cm build plate
- Dual tilt release
Frequently Asked Questions
Is the Elegoo Mars 4 better than the Phrozen Sonic Mega 8K S2?
By the numbers, the Elegoo Mars 4 scores higher (7.2/10). But "better" depends on your use case — the Phrozen Sonic Mega 8K S2 may be the smarter buy if you need resin.
Which is better for beginners, Elegoo Mars 4 or Phrozen Sonic Mega 8K S2?
The Elegoo Mars 4 is more beginner-friendly (6/10 vs 4/10) with easier setup and a gentler learning curve.
Is the Phrozen Sonic Mega 8K S2 worth $600 more than the Elegoo Mars 4?
The Elegoo Mars 4 actually scores higher (7.2/10) despite costing $600 less. The Phrozen Sonic Mega 8K S2 only makes sense if you specifically need resin.
What's the main difference between Elegoo Mars 4 and Phrozen Sonic Mega 8K S2?
Build volume (153x77x165mm vs 330x185x400mm) and print speed (80 vs 100 mm/s). The Elegoo Mars 4 is best for budget; the Phrozen Sonic Mega 8K S2 targets resin.