Our Verdict
ELEGOO Saturn 4 Ultra Wins

It offers a larger build volume (211.68x118.37x220mm) and 16K resolution. Choose Mars 5 Ultra for a more compact size and WiFi cluster printing.
Bottom Line: ELEGOO Saturn 4 Ultra is the better choice. It offers a larger build volume (211.
Who Should Buy Which?
Find the right product for your needs
Buy ELEGOO if...
ELEGOO Mars 5 Ultra
If you are a hobbyist or professional working with intricate, smaller-scale resin models, the ELEGOO Mars 5 Ultra is ideal. Priced at $339.99, its 9K LCD delivers sharp detail on its 153.416x77.724x164.846mm³ build volume. Automatic leveling, WiFi for wireless transfers, and an AI camera simplify the process. It's perfect for users prioritizing ease of use, high detail in compact prints, and a more budget-friendly entry into advanced resin printing.
Buy ELEGOO if...
ELEGOO Saturn 4 Ultra
The ELEGOO Saturn 4 Ultra is for users needing a significantly larger build volume and the absolute highest resolution. If you're tackling big figures, functional prototypes, or multiple objects, its 211.68x118.37x220mm³ build area and 16K resolution are unmatched. Priced at $519.99, it justifies the cost with automatic leveling, an AI camera, and crucial resin heating. This ensures optimal printing conditions for consistent, flawless large-scale results, ideal for professional applications.
Spec Comparison
10 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $340 | $520 |
| Rating | 4.5(173) | 4.2(452) |
| Build Volume mm | 153.416x77.724x164.846 | 211.68x118.37x220 |
| Max Print Speed mm S | 0.04 | 0.04 |
| Leveling Type | Auto | Auto |
| Enclosed | Yes | Yes |
| Touchscreen | Yes | — |
| Printer Type | Resin (SLA/MSLA) | Resin (SLA/MSLA) |
| Resume Print | Yes | Yes |
| WiFi | Yes | — |
| Model Number | — | 3D-S4U16K |
| Filament Sensor | — | No |
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Pros & Cons
Quick overview of strengths and weaknesses
ELEGOO Mars 5
- High print speed up to 150mm/h reduces print time.
- 9K LCD screen yields high detail and sharp model output.
- Automatic leveling simplifies initial printer setup.
- AI camera detects empty plates and model warping.
- Print volume of 6x3x6 inches limits larger objects.
- Tilt release mechanism may require more maintenance.
- Screen protection film requires periodic replacement.
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.
Frequently Asked Questions
Common questions about this comparison
Which is better for printing large models?
The ELEGOO Saturn 4 Ultra is better for larger models due to its significantly larger build volume of 211.68x118.37x220mm³. The Mars 5 Ultra offers 153.416x77.724x164.846mm³.
What's the main difference in print speed?
Both printers offer the same high print speed of up to 150mm/h. This means neither printer has an advantage over the other regarding how quickly it can complete a print.
Which offers higher detail for miniatures?
The ELEGOO Saturn 4 Ultra provides higher detail with its 16K resolution compared to the Mars 5 Ultra's 9K LCD. This results in finer, sharper model output, especially for intricate miniatures.
Is automatic leveling a feature on both printers?
Yes, both the ELEGOO Mars 5 Ultra and Saturn 4 Ultra feature automatic leveling. This simplifies the initial setup process, making both printers user-friendly for beginners and experienced users alike.
Which printer has a better AI camera system?
Both printers include an AI camera that monitors prints and detects failures like empty plates or model warping. Their AI camera functionalities are comparable in purpose and benefit.
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