Creality K1C vs Elegoo Mars 4 Ultra
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Creality K1C ($399, FDM) and Elegoo Mars 4 Ultra ($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 Creality K1C takes the crown with 8.2/10 vs 7.8/10. It pulls ahead in Speed. That said, the Elegoo Mars 4 Ultra saves you $200 and wins on Print Quality.
Score Breakdown
Specifications
| Spec | Creality K1C | Elegoo Mars 4 Ultra |
|---|---|---|
| Price | $399 | $199 |
| Type | FDM | RESIN |
| Build Volume | 220 x 220 x 250 mm | 153 x 77 x 165 mm |
| Print Speed | 600 mm/s | 100 mm/s |
| Min Resolution | 0.05 mm | 0.01 mm |
| Weight | 13.5 kg | 6.8 kg |
| Overall Score | 8.2/10 | 7.8/10 |
Pros & Cons
Creality K1C
+Carbon fiber and PA support at $399 — no other enclosed CoreXY comes close at this price
+600mm/s with input shaping produces genuinely usable parts, not just benchmark numbers
+All-metal hotend is a free upgrade vs the standard K1
+Active enclosure helps with ABS/ASA warping without a separate enclosure purchase
+Creality's largest installed base means community fixes land fast
−220×220×250mm build volume is tight for large prints
−Creality OS is Klipper-based but not stock Klipper — some community configs don't transfer cleanly
−No multi-color support without third-party add-ons
−Fan noise at full speed is audible
Elegoo Mars 4 Ultra
+9K resolution is a meaningful jump from 7K: finer surface texture, sharper edges on small parts
+Tilt release means FEP films last longer; $50 less per year in consumables is real money
+Built-in air purifier takes the edge off the smell without requiring an external solution
+WiFi monitoring means you can start a print and check it from another room
−153x77mm plate is tight for anything larger than small character models
−Still needs a wash and cure station: budget $50-80 extra
−Resin workflow is messier and slower to start than FDM
Who Should Buy Which?
Choose the Creality K1C if you want:
- A great printer for speed
- A great printer for enclosed
- A great printer for engineering
- A great printer for value
- Enclosed CoreXY architecture
- Carbon-fiber-capable all-metal hotend (up to 300°C)
- 600mm/s max print speed
Choose the Elegoo Mars 4 Ultra if you want:
- A great printer for miniatures
- A great printer for resin
- A great printer for budget
- 9K mono LCD
- Tilt release
- WiFi
Frequently Asked Questions
Is the Creality K1C better than the Elegoo Mars 4 Ultra?
By the numbers, the Creality K1C scores higher (8.2/10). But "better" depends on your use case, the Elegoo Mars 4 Ultra may be the smarter buy if you need miniatures.
Which is better for beginners, Creality K1C or Elegoo Mars 4 Ultra?
Both score 7/10 for beginners. Go with the Elegoo Mars 4 Ultra to save $200.
Is the Creality K1C worth $200 more than the Elegoo Mars 4 Ultra?
The Creality K1C scores higher overall (8.2/10 vs 7.8/10). The extra $200 gets you carbon fiber and pa support at $399 — no other enclosed corexy comes close at this price.
What's the main difference between Creality K1C and Elegoo Mars 4 Ultra?
Technology: the Creality K1C is FDM (filament) and the Elegoo Mars 4 Ultra is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.