Anycubic Kobra S1 ACE 2 Pro Combo vs Elegoo Mars 5 Ultra
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Anycubic Kobra S1 ACE 2 Pro Combo ($499, FDM) and Elegoo Mars 5 Ultra ($284, 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 Elegoo Mars 5 Ultra takes the crown with 8.2/10 vs 8/10. It pulls ahead in Print Quality, Reliability. The Anycubic Kobra S1 ACE 2 Pro Combo still puts up a fight in Speed.
Score Breakdown
Specifications
| Spec | Anycubic Kobra S1 ACE 2 Pro Combo | Elegoo Mars 5 Ultra |
|---|---|---|
| Price | $499 | $284 |
| Type | FDM | RESIN |
| Build Volume | 250 x 250 x 250 mm | 153 x 89 x 200 mm |
| Print Speed | 600 mm/s | 150 mm/s |
| Min Resolution | 0.05 mm | 0.01 mm |
| Weight | 13 kg | 7.5 kg |
| Overall Score | 8/10 | 8.2/10 |
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
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
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 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
Frequently Asked Questions
Is the Anycubic Kobra S1 ACE 2 Pro Combo better than the Elegoo Mars 5 Ultra?
By the numbers, the Elegoo Mars 5 Ultra scores higher (8.2/10). But "better" depends on your use case, the Anycubic Kobra S1 ACE 2 Pro Combo may be the smarter buy if you need multi-color.
Which is better for beginners, Anycubic Kobra S1 ACE 2 Pro Combo or Elegoo Mars 5 Ultra?
Both score 7/10 for beginners. Go with the Elegoo Mars 5 Ultra to save $215.
Is the Anycubic Kobra S1 ACE 2 Pro Combo worth $215 more than the Elegoo Mars 5 Ultra?
The Elegoo Mars 5 Ultra actually scores higher (8.2/10) despite costing $215 less. The Anycubic Kobra S1 ACE 2 Pro Combo only makes sense if you specifically need multi-color.
What's the main difference between Anycubic Kobra S1 ACE 2 Pro Combo and Elegoo Mars 5 Ultra?
Technology: the Anycubic Kobra S1 ACE 2 Pro Combo is FDM (filament) and the Elegoo Mars 5 Ultra is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.

