Longer Orange 4K V2 vs QIDI X-Smart 3
Head-to-head 3D printer comparison — 2026
Comparing FDM to resin? The Longer Orange 4K V2 ($199, RESIN) and QIDI X-Smart 3 ($349, 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
The QIDI X-Smart 3 takes the crown with 8/10 vs 6/10. It pulls ahead in Beginner Friendliness, Print Quality, Speed, Reliability. That said, the Longer Orange 4K V2 saves you $150.
Score Breakdown
Specifications
| Spec | Longer Orange 4K V2 | QIDI X-Smart 3 |
|---|---|---|
| Price | $199 | $349 |
| Type | RESIN | FDM |
| Build Volume | 120 x 68 x 195 mm | 175 x 175 x 165 mm |
| Print Speed | 90 mm/s | 600 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 4.8 kg | 9.5 kg |
| Overall Score | 6/10 | 8/10 |
Pros & Cons
Longer Orange 4K V2
+Improved light uniformity over V1
+WiFi built in at $199
+Compact and portable
+Decent 4K resolution
−4K resolution below current standard
−Small build plate
−Smaller community than Elegoo
−Long-term reliability less proven
QIDI X-Smart 3
+Fully enclosed in a compact footprint
+Chamber heating for better layer adhesion
+Good software experience
+Fast CoreXY
−Small 175mm build volume
−QIDI ecosystem smaller than Bambu
−175mm limits large prints
Who Should Buy Which?
Choose the Longer Orange 4K V2 if you want:
- A great printer for budget
- A great printer for resin
- A great printer for miniatures
- 5.5" 4K mono LCD
- WiFi
- USB
Choose the QIDI X-Smart 3 if you want:
- A great printer for compact
- A great printer for enclosed
- A great printer for beginners
- Enclosed CoreXY
- Chamber heating (35C)
- Auto bed leveling
Frequently Asked Questions
Is the Longer Orange 4K V2 better than the QIDI X-Smart 3?
By the numbers, the QIDI X-Smart 3 scores higher (8/10). But "better" depends on your use case — the Longer Orange 4K V2 may be the smarter buy if you need budget.
Which is better for beginners, Longer Orange 4K V2 or QIDI X-Smart 3?
The QIDI X-Smart 3 is more beginner-friendly (8/10 vs 5/10) with easier setup and a gentler learning curve.
Is the QIDI X-Smart 3 worth $150 more than the Longer Orange 4K V2?
The QIDI X-Smart 3 scores higher overall (8/10 vs 6/10). The extra $150 gets you fully enclosed in a compact footprint.
What's the main difference between Longer Orange 4K V2 and QIDI X-Smart 3?
Technology: the Longer Orange 4K V2 is RESIN (filament) and the QIDI X-Smart 3 is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.