Our Verdict
ELEGOO Saturn 4 Ultra 16K Wins

It offers significantly faster print speeds (up to 150mm/h) and higher 16K resolution. Choose Saturn 4 for a marginally larger build volume (218.9x122.9x219.9mm).
Bottom Line: ELEGOO Saturn 4 Ultra 16K is the better choice. It offers significantly faster print speeds (up to 150mm/h) and higher 16K resolution.
Key Differences
The most significant spec differences at a glance
Max Print Speed Mm S
100% lessAdvantages
Where each product wins
ELEGOO
- Max Print Speed Mm S: 100% higher (0 vs 0.041666666666666664)
Who Should Buy Which?
Find the right product for your needs
Buy ELEGOO if...
ELEGOO Saturn 4 Resin
The ELEGOO Saturn 4 is ideal for hobbyists or those new to resin 3D printing who want high-quality results without breaking the bank. If you need a large print volume of 219x123x220mm for diverse projects and appreciate the ease of smart automatic leveling, this printer is an excellent choice. It delivers ultra-fine 12K detail and reliable performance for a great value, making it perfect for users who prioritize detail over extreme print speeds.
Buy ELEGOO if...
ELEGOO Saturn 4 Ultra
The ELEGOO Saturn 4 Ultra is tailored for professionals, small businesses, or serious enthusiasts demanding the pinnacle of speed and detail. If you require rapid prototyping, stunning 16K resolution for intricate models, and value intelligent features like AI print monitoring and resin heating for optimal consistency, the Ultra justifies its higher price. Its 150mm/h print speed makes it perfect for production-oriented tasks where time and precision are paramount.
Spec Comparison
8 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $380 | $520 |
| Rating | 4.4(1.5k) | 4.2(452) |
| Build Volume mm | 218.948x122.936x219.964 | 211.68x118.37x220 |
| Max Print Speed mm S | 0 | 0.04 |
| Leveling Type | Auto | Auto |
| Enclosed | Yes | Yes |
| Model Number | SATURN 4 | 3D-S4U16K |
| Printer Type | Resin (SLA/MSLA) | Resin (SLA/MSLA) |
| Resume Print | Yes | Yes |
| Filament Sensor | — | No |
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Pros & Cons
Quick overview of strengths and weaknesses
ELEGOO Saturn 4
- 12K LCD for ultra-fine model detail
- Auto-leveling simplifies initial setup
- 92% light uniformity ensures consistent prints
- Large 219x123x220mm build volume
- Large prints consume significant resin volume
- 12K resolution may lead to longer print times
- No integrated air filtration for fumes
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 printer is better for highly detailed, fast-production models?
The ELEGOO Saturn 4 Ultra 16K is superior, offering 16K resolution for ultra-fine details and speeds up to 150mm/h. The Saturn 4 is good for larger single prints at 12K resolution.
What's the main difference in print speed between the two models?
The Saturn 4 Ultra 16K offers significantly faster printing, reaching speeds of 150mm/h. The Saturn 4 does not specify a high-speed mode and would be considerably slower, making the Ultra more efficient for volume production.
Is the higher resolution and speed of the Saturn 4 Ultra 16K worth the potential price difference?
Yes, for professionals or enthusiasts prioritizing speed and extreme detail. The 16K resolution and 150mm/h print speed offer a significant performance upgrade over the 12K Saturn 4, enhancing productivity and model quality for demanding tasks.
Which printer offers better build volume or temperature control?
The Saturn 4 has a slightly larger XY build volume (218.9x122.9mm) compared to the Ultra (211.68x118.37mm). However, the Saturn 4 Ultra 16K uniquely includes resin heating for optimal print consistency, which the Saturn 4 lacks.
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