Creality K1 vs Elegoo Mars 4 Ultra
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Creality K1 ($419, 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 K1 takes the crown with 8.6/10 vs 7.8/10. It pulls ahead in Beginner Friendliness, Speed. That said, the Elegoo Mars 4 Ultra saves you $220 and wins on Print Quality.
Score Breakdown
Specifications
| Spec | Creality K1 | Elegoo Mars 4 Ultra |
|---|---|---|
| Price | $419 | $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 | 12.5 kg | 6.8 kg |
| Overall Score | 8.6/10 | 7.8/10 |
Pros & Cons
Creality K1
+600mm/s in an enclosed form factor
+Auto leveling and WiFi standard
+Toolless nozzle removal
+Handles ABS/ASA reasonably well
−Smaller build volume than K1 Max
−Firmware historically needed updates
−Enclosure not actively heated
Elegoo Mars 4 Ultra
+9K resolution for exceptional detail
+Tilt release reduces FEP wear
+Built-in air purifier
+WiFi connectivity
−Smaller build plate than Saturn
−Requires wash & cure station
−Resin learning curve
Who Should Buy Which?
Choose the Creality K1 if you want:
- A great printer for speed
- A great printer for enclosed
- A great printer for beginners
- Enclosed CoreXY
- Auto bed leveling
- WiFi
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 K1 better than the Elegoo Mars 4 Ultra?
By the numbers, the Creality K1 scores higher (8.6/10). 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 K1 or Elegoo Mars 4 Ultra?
The Creality K1 is more beginner-friendly (8/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Creality K1 worth $220 more than the Elegoo Mars 4 Ultra?
The Creality K1 scores higher overall (8.6/10 vs 7.8/10). The extra $220 gets you 600mm/s in an enclosed form factor.
What's the main difference between Creality K1 and Elegoo Mars 4 Ultra?
Technology: the Creality K1 is FDM (filament) and the Elegoo Mars 4 Ultra is RESIN (resin). FDM prints bigger functional parts; resin delivers finer surface detail.