Elegoo Mars 5 Ultra vs Phrozen Sonic Mini 4K
Head-to-head 3D printer comparison, 2026
The Elegoo Mars 5 Ultra and Phrozen Sonic Mini 4K are both RESIN 3D printers competing in the same price bracket, $284 vs $199. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Mars 5 Ultra takes the crown with 8.2/10 vs 7/10. It pulls ahead in Value, Beginner Friendliness, Print Quality, Speed. That said, the Phrozen Sonic Mini 4K saves you $85.
Score Breakdown
Specifications
| Spec | Elegoo Mars 5 Ultra | Phrozen Sonic Mini 4K |
|---|---|---|
| Price | $284 | $199 |
| Type | RESIN | RESIN |
| Build Volume | 153 x 89 x 200 mm | 134 x 75 x 130 mm |
| Print Speed | 150 mm/s | 80 mm/s |
| Min Resolution | 0.01 mm | 0.01 mm |
| Weight | 7.5 kg | 5 kg |
| Overall Score | 8.2/10 | 7/10 |
Pros & Cons
Elegoo Mars 5 Ultra
+14K resolution renders chainmail and sword hilts at a level FDM can't get near
+Tilt release means fewer ripped FEP films mid-print
+Built-in air purifier cuts the resin smell noticeably; still needs ventilation but less aggressively
+WiFi monitoring so you don't have to babysit the machine
−Build plate is 153x89mm: anything larger needs to be sliced and assembled
−Resin printing means gloves, IPA, and a wash station are non-negotiable purchases
−Post-processing adds 30-45 minutes after every print: wash, cure, support removal
Phrozen Sonic Mini 4K
+35-micron XY resolution still produces detailed minis despite the lower resolution count
+Phrozen's build quality and reliability track record is among the best in the category
+Compact footprint fits into tight shelf spaces
−4K resolution in a world of 8K and 12K is a real gap: fine details are softer
−134x75mm build plate is one of the smallest on the list
−No WiFi: USB-only file management
−80mm/hr speed is the same as entry-level machines that cost half as much
Who Should Buy Which?
Choose the Elegoo Mars 5 Ultra if you want:
- A great printer for miniatures
- A great printer for resin
- A great printer for detail
- 14K mono LCD
- Tilt release
- Air purifier
Choose the Phrozen Sonic Mini 4K if you want:
- A great printer for miniatures
- A great printer for detail
- A great printer for resin
- 5.5" 4K mono LCD
- 35-micron XY resolution
- ParaLED 2.0
Frequently Asked Questions
Is the Elegoo Mars 5 Ultra better than the Phrozen Sonic Mini 4K?
By the numbers, the Elegoo Mars 5 Ultra scores higher (8.2/10). But "better" depends on your use case, the Phrozen Sonic Mini 4K may be the smarter buy if you need miniatures.
Which is better for beginners, Elegoo Mars 5 Ultra or Phrozen Sonic Mini 4K?
The Elegoo Mars 5 Ultra is more beginner-friendly (7/10 vs 6/10) with easier setup and a gentler learning curve.
Is the Elegoo Mars 5 Ultra worth $85 more than the Phrozen Sonic Mini 4K?
The Elegoo Mars 5 Ultra scores higher overall (8.2/10 vs 7/10). The extra $85 gets you 14k resolution renders chainmail and sword hilts at a level fdm can't get near.
What's the main difference between Elegoo Mars 5 Ultra and Phrozen Sonic Mini 4K?
Build volume (153x89x200mm vs 134x75x130mm) and print speed (150 vs 80 mm/s). The Elegoo Mars 5 Ultra is best for miniatures; the Phrozen Sonic Mini 4K targets miniatures.