Technical comparison for 3D printers
| Specifications | Elegoo Neptune 4 Pro | Qidi Tech X-Max 3 |
|---|---|---|
| Printing Technology | FDM (Klipper) | FDM (CoreXY) |
| Build Volume (XYZ) | 225 x 225 x 265 mm³ | 325 x 325 x 315 mm³ |
| Chassis Structure | N/A | N/A |
| Enclosure Material | N/A | N/A |
| Hotend Design | N/A | N/A |
| Extruder Gear Type | N/A | N/A |
| Nozzle Material | N/A | N/A |
| Max Nozzle Temp | 300 °C | 350 °C |
| Nozzle Diameter | N/A | N/A |
| Filament Diameter | N/A | N/A |
| Build Plate Surface | PEI Magnetic Sheet | N/A |
| Max Bed Temp | N/A | N/A |
| Max Printing Speed | 500 mm/s | 600 mm/s |
| Max Acceleration | 20,000 mm/s² | N/A |
| Max Volumetric Flow | N/A | N/A |
| Cooling System | Dual-side Part Cooling Fans | N/A |
| Air Filtration | N/A | Activated Carbon |
| Supported Materials | PLA, PETG, TPU, ABS, Nylon | N/A |
| LiDAR Sensor | N/A | N/A |
| Chamber Camera | N/A | N/A |
| Filament Run-out Sensor | N/A | N/A |
| Power Loss Recovery | N/A | N/A |
| Physical Dimensions | 475 x 445 x 515 mm³ | N/A |
| Product Weight | 8.9 kg | 25 kg |
| Input Voltage | N/A | N/A |
| Peak Power Draw | N/A | N/A |
| Control Panel / Display | N/A | N/A |
| Connectivity Options | Ethernet, USB-C, USB | Wi-Fi, Ethernet, USB Drive |
| Internal Storage | 8 GB EMMC | N/A |
| Motion Controller CPU | N/A | N/A |
| Application Processor | N/A | N/A |
| AI Neural Processing | N/A | N/A |
| Recommended Slicer | N/A | N/A |
| Supported OS | N/A | N/A |
| Bed Leveling System | N/A | N/A |
| Enclosure Type | N/A | N/A |
| Vibration Compensation | N/A | N/A |
| AI Monitoring Features | N/A | N/A |
| Multi-Material Support | N/A | N/A |
| Manufacturer Warranty | 1 Year | 1 Year |
| Box Contents | Neptune 4 Pro, Cooling fan, Tool kit, Filament | X-Max 3, Dry Box, 2 Nozzles, Tools |
| Brand | Elegoo | Qidi Tech |
✅ Pros: Incredible value with Klipper and high speed.
❌ Cons: Large cooling fans are quite loud.
✅ Pros: Industrial grade; chamber heating prevents warping.
❌ Cons: Very heavy and large desktop footprint.
The Qidi X-Max 3 is the industrial winner with its enclosed, heated chamber for technical plastics. The Neptune 4 Pro is an open-frame budget champion for PLA. **The trade-off:** You pay triple for the Qidi’s enclosure and material range. We were disappointed that the Neptune's massive cooling fans are so loud during fast prints. Choose the Qidi for engineering projects, or the Neptune for a fast and affordable hobbyist setup.