Anycubic Kobra S1 ACE 2 Pro Combo vs Phrozen Sonic Mini 4K
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Anycubic Kobra S1 ACE 2 Pro Combo ($499, FDM) and Phrozen Sonic Mini 4K ($199, RESIN) use fundamentally different technologies. FDM melts filament layer by layer; resin cures liquid with UV light. Here's how they stack up.
Our Verdict
The Anycubic Kobra S1 ACE 2 Pro Combo takes the crown with 8/10 vs 7/10. It pulls ahead in Value, Beginner Friendliness, Speed. That said, the Phrozen Sonic Mini 4K saves you $300 and wins on Print Quality, Reliability.
Score Breakdown
Specifications
| Spec | Anycubic Kobra S1 ACE 2 Pro Combo | Phrozen Sonic Mini 4K |
|---|---|---|
| Price | $499 | $199 |
| Type | FDM | RESIN |
| Build Volume | 250 x 250 x 250 mm | 134 x 75 x 130 mm |
| Print Speed | 600 mm/s | 80 mm/s |
| Min Resolution | 0.05 mm | 0.01 mm |
| Weight | 13 kg | 5 kg |
| Overall Score | 8/10 | 7/10 |
Pros & Cons
Anycubic Kobra S1 ACE 2 Pro Combo
+16 colors out of the box — doubles the 8-color S1 Combo and quadruples the Bambu A1 Combo (4)
+Fully enclosed CoreXY handles ABS, ASA, and engineering filaments without warping
+44dB quiet mode is unusually low for a 600mm/s CoreXY — apartment-friendly
+Upgraded hotend is rated for the full Anycubic filament range
+Early bird €459 undercuts the Bambu P2S (€549) and matches pricing of the older 8-color S1 Combo
−Brand new product — early adopter risk on firmware and ACE 2 Pro reliability
−Anycubic slicer still trails Bambu Studio on automation and profile polish
−ACE 2 Pro adds significant desk footprint
−Early bird pricing ends May 31 — regular price expected to climb
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 Anycubic Kobra S1 ACE 2 Pro Combo if you want:
- A great printer for multi-color
- A great printer for speed
- A great printer for enclosed
- ACE 2 Pro multi-color system (up to 16 colors)
- Fully-enclosed CoreXY architecture
- Upgraded hotend (all-filament compatible)
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 Anycubic Kobra S1 ACE 2 Pro Combo better than the Phrozen Sonic Mini 4K?
By the numbers, the Anycubic Kobra S1 ACE 2 Pro Combo scores higher (8/10). 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, Anycubic Kobra S1 ACE 2 Pro Combo or Phrozen Sonic Mini 4K?
The Anycubic Kobra S1 ACE 2 Pro Combo is more beginner-friendly (7/10 vs 6/10) with easier setup and a gentler learning curve.
Is the Anycubic Kobra S1 ACE 2 Pro Combo worth $300 more than the Phrozen Sonic Mini 4K?
The Anycubic Kobra S1 ACE 2 Pro Combo scores higher overall (8/10 vs 7/10). The extra $300 gets you 16 colors out of the box — doubles the 8-color s1 combo and quadruples the bambu a1 combo (4).
What's the main difference between Anycubic Kobra S1 ACE 2 Pro Combo and Phrozen Sonic Mini 4K?
Technology: the Anycubic Kobra S1 ACE 2 Pro Combo is FDM (filament) and the Phrozen Sonic Mini 4K is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.

