Longer Orange 4K vs QIDI X-CF Pro
Head-to-head 3D printer comparison, 2026
Comparing FDM to resin? The Longer Orange 4K ($129, RESIN) and QIDI X-CF Pro ($599, 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-CF Pro takes the crown with 6.8/10 vs 6.4/10. It pulls ahead in Print Quality, Reliability. That said, the Longer Orange 4K saves you $470 and wins on Value.
Score Breakdown
Specifications
| Spec | Longer Orange 4K | QIDI X-CF Pro |
|---|---|---|
| Price | $129 | $599 |
| Type | RESIN | FDM |
| Build Volume | 118 x 66 x 190 mm | 300 x 250 x 300 mm |
| Print Speed | 80 mm/s | 100 mm/s |
| Min Resolution | 0.01 mm | 0.05 mm |
| Weight | 4.5 kg | 21.5 kg |
| Overall Score | 6.4/10 | 6.8/10 |
Pros & Cons
Longer Orange 4K
+$129 is the absolute floor for resin printing
+WiFi at this price is genuinely surprising
+4K resolution is enough to see if resin is your thing
−118x66mm build plate: one mini at a time, if they're small
−4K resolution is dated next to 9K and 12K competitors
−Long-term reliability is unknown; smaller community means fewer fixes documented online
QIDI X-CF Pro
+One of the few sub-$600 printers with a genuine 60°C heated enclosure for PA-CF and PPS-CF
+Hardened steel nozzle ships standard — no upgrade needed for carbon fiber out of the box
+HEPA + active carbon filtration — safe for indoor use with engineering filaments
+Linear rails on all axes mean less positional drift on long industrial prints
+Proven track record in light manufacturing since 2021
−60-100mm/s print speed is 6x slower than modern CoreXY machines — long print times
−2021 vintage hardware; newer QIDI models (X-Plus 4, Tech Max) offer more for similar money
−Dual extruder adds mechanical complexity without multi-color usefulness for most users
−21.5kg — not portable, bench-only
−Slicer integration (Simplify3D profiles) trails modern Bambu/Creality ecosystems
Who Should Buy Which?
Choose the Longer Orange 4K if you want:
- A great printer for budget
- A great printer for resin
- 5.5" 4K mono LCD
- WiFi
- USB
Choose the QIDI X-CF Pro if you want:
- A great printer for engineering
- A great printer for enclosed
- A great printer for professional
- A great printer for carbon-fiber
- Dual Z-axis for precise layer alignment
- High-temp enclosure (up to 60°C chamber)
- Hardened steel nozzle (CF-ready from factory)
Frequently Asked Questions
Is the Longer Orange 4K better than the QIDI X-CF Pro?
By the numbers, the QIDI X-CF Pro scores higher (6.8/10). But "better" depends on your use case, the Longer Orange 4K may be the smarter buy if you need budget.
Which is better for beginners, Longer Orange 4K or QIDI X-CF Pro?
Both score 5/10 for beginners. Go with the Longer Orange 4K to save $470.
Is the QIDI X-CF Pro worth $470 more than the Longer Orange 4K?
The QIDI X-CF Pro scores higher overall (6.8/10 vs 6.4/10). The extra $470 gets you one of the few sub-$600 printers with a genuine 60°c heated enclosure for pa-cf and pps-cf.
What's the main difference between Longer Orange 4K and QIDI X-CF Pro?
Technology: the Longer Orange 4K is RESIN (filament) and the QIDI X-CF Pro is FDM (resin). FDM prints bigger functional parts; resin delivers finer surface detail.