Our Verdict
ELEGOO Saturn 4 Ultra 16K Wins

Prints significantly faster, up to 150mm/h. Choose Phrozen for its slightly larger 211.68x118.37x235mm build volume, beneficial for taller prints.
Bottom Line: ELEGOO Saturn 4 Ultra 16K is the better choice. Prints significantly faster, up to 150mm/h.
Key Differences
The most significant spec differences at a glance
Max Print Speed Mm S
100% moreAdvantages
Where each product wins
ELEGOO
- Max Print Speed Mm S: 100% higher (0.041666666666666664 vs 0)
Who Should Buy Which?
Find the right product for your needs
Buy ELEGOO if...
ELEGOO Saturn 4 Ultra
The ideal buyer for the ELEGOO Saturn 4 Ultra is a hobbyist or professional seeking high-speed, ultra-detailed resin printing without a premium price tag. If you prioritize quick iteration with speeds up to 150mm/h, 16K resolution for intricate models, and automated features like auto-leveling and AI camera monitoring at a $519.99 budget, this printer is an excellent choice. It’s perfect for those who want advanced resin printing capabilities and smart features to enhance workflow efficiency.
Buy phrozen if...
Phrozen Sonic Mighty Revo
The Phrozen Sonic Mighty Revo is suited for professionals or advanced enthusiasts who demand ultimate precision, print stability, and remote management. If your projects require the most intricate details (14x19µm resolution), a slightly taller build volume (235mm), and the convenience of remote monitoring and control via an app, this $749.99 printer is ideal. Its dual linear rails and automated features provide enhanced reliability for critical, complex prints.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $520 | $750 |
| Rating | 4.2(452) | 4.3(212) |
| Build Volume mm | 211.68x118.37x220 | 211.68x118.37x235 |
| Max Print Speed mm S | 0.04 | 0 |
| Leveling Type | Auto | Auto |
| Enclosed | Yes | Yes |
| Model Number | 3D-S4U16K | MITY16K000NA |
| Printer Type | Resin (SLA/MSLA) | Resin (SLA/MSLA) |
| Resume Print | Yes | — |
| Filament Sensor | No | — |
| WiFi | — | Yes |
Swipe horizontally to see all columns
Pros & Cons
Quick overview of strengths and weaknesses
ELEGOO Saturn 4
- Prints at speeds up to 150mm/h.
- 16K resolution yields highly detailed parts.
- Automatic leveling simplifies setup process.
- AI camera monitors prints, detects failures.
- Resin odor requires ventilation during use.
- Resin material requires careful handling & disposal.
- Higher resolution increases file processing time.
phrozen Sonic Mighty
- 14x19µm XY resolution captures intricate model details.
- 211x118x235mm build volume prints large or multiple parts.
- Dual linear rails enhance print stability and accuracy.
- Automated leveling and resin feed improve print success.
- 16K mono LCD replacement is a significant recurring cost.
- Requires consistent post-processing of printed models.
- Regular cleaning and careful resin handling are needed.
Frequently Asked Questions
Common questions about this comparison
Which printer offers faster printing speeds?
The ELEGOO Saturn 4 Ultra is better for speed, printing up to 150mm/h. The Phrozen Sonic Mighty Revo does not specify its maximum print speed, making the Elegoo a clear choice for faster output.
Is there a significant difference in build volume between the two?
Both printers share the same XY dimensions (211.68x118.37mm). However, the Phrozen Sonic Mighty Revo offers a taller Z-axis build volume at 235mm, compared to the ELEGOO Saturn 4 Ultra's 220mm.
Which printer provides more advanced smart features for monitoring?
The ELEGOO Saturn 4 Ultra features an AI camera for print monitoring and failure detection. The Phrozen Sonic Mighty Revo offers smart failure detection and app control for remote monitoring. Both have good features.
Do both printers offer the same 16K resolution for detail?
Yes, both printers are marketed as 16K. The ELEGOO Saturn 4 Ultra specifies 16K ultra-high resolution, while the Phrozen Sonic Mighty Revo boasts an ultra-high 14x19µm XY resolution, indicating exceptional detail from both.
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