Elegoo Mars 4 vs Kingroon KP3S Pro V2
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Elegoo Mars 4 ($149, RESIN) and Kingroon KP3S Pro V2 ($159, FDM) use fundamentally different technologies. FDM melts filament layer by layer; resin cures liquid with UV light. Here's how they stack up.
Our Verdict
It's a dead heat — both score 7.2/10 overall. The Elegoo Mars 4 wins in Print Quality, while the Kingroon KP3S Pro V2 takes Beginner Friendliness. Pick based on which strengths matter more to you.
Score Breakdown
Specifications
| Spec | Elegoo Mars 4 | Kingroon KP3S Pro V2 |
|---|---|---|
| Price | $149 | $159 |
| Type | RESIN | FDM |
| Build Volume | 153 x 77 x 165 mm | 200 x 200 x 200 mm |
| Print Speed | 80 mm/s | 250 mm/s |
| Min Resolution | 0.02 mm | 0.05 mm |
| Weight | 6.2 kg | 6.5 kg |
| Overall Score | 7.2/10 | 7.2/10 |
Pros & Cons
Elegoo Mars 4
+Cheapest Elegoo Mars with WiFi
+7K resolution still excellent for minis
+Small footprint
+Known brand reliability
−No tilt release (higher FEP wear)
−Slower than Ultra variants
−7K less sharp than 9K/12K siblings
Kingroon KP3S Pro V2
+Linear rails at $159
+Direct drive
+Compact footprint
+Good for the price
−Small community
−200mm build volume
−No WiFi
−Kingroon firmware less polished
Who Should Buy Which?
Choose the Elegoo Mars 4 if you want:
- A great printer for budget
- A great printer for resin
- A great printer for miniatures
- 7K mono LCD
- WiFi
- USB
Choose the Kingroon KP3S Pro V2 if you want:
- A great printer for budget
- A great printer for compact
- Linear rails
- Direct drive
- Auto bed leveling
Frequently Asked Questions
Is the Elegoo Mars 4 better than the Kingroon KP3S Pro V2?
They tie at 7.2/10. The Elegoo Mars 4 suits budget and resin, while the Kingroon KP3S Pro V2 is aimed at budget and compact.
Which is better for beginners, Elegoo Mars 4 or Kingroon KP3S Pro V2?
The Kingroon KP3S Pro V2 is more beginner-friendly (7/10 vs 6/10) with easier setup and a gentler learning curve.
Is the Kingroon KP3S Pro V2 worth $10 more than the Elegoo Mars 4?
The Elegoo Mars 4 actually scores higher (7.2/10) despite costing $10 less. The Kingroon KP3S Pro V2 only makes sense if you specifically need budget.
What's the main difference between Elegoo Mars 4 and Kingroon KP3S Pro V2?
Technology: the Elegoo Mars 4 is RESIN (filament) and the Kingroon KP3S Pro V2 is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.