Neptune 4 Pro
“A fast, cheap Klipper machine for tinkerers.”
Will’s take Solid choice
- Compare
- Neptune 4 Pro vs Kobra X
Elegoo Neptune 4 Pro vs Anycubic Kobra X
Kobra X
“Four colours built in, no extra box needed.”
Will’s take Great value
The short version
- The Neptune 4 Pro costs $40 less.
- The Kobra X holds 1.3× the build volume.
- The Kobra X is rated faster: 600 mm/s against 500.
- The Kobra X handles up to 19 colours; the other is single-colour.
By the numbers
Side by side, drawn to scale
- Elegoo Neptune 4 Pro
- Anycubic Kobra X
Price
Build volume
Top speed
Max colours
Bed size from above
- Neptune 4 Pro 225 × 225
- Kobra X 260 × 260
Full specs
Marked where one is clearly aheadSpec for spec
| Spec | Elegoo Neptune 4 Pro | Anycubic Kobra X |
|---|---|---|
| Price | $239 | $279 |
| Released | June 2023 | March 2026 |
| Technology | Filament (FDM) | Filament (FDM) |
| Motion system | Bed slinger | Bed slinger |
| Build volume | 225 × 225 × 265 mm | 260 × 260 × 260 mm |
| Top speed | 500 mm/s | 600 mm/s |
| Acceleration | 20,000 mm/s² | 20,000 mm/s² |
| Max colours | 1 | 19 (Built-in ACE Gen 2 (4 colors) + ACE 2 Pro) |
| Frame | Open frame | Open frame |
| Hotend, max | 300 °C | 300 °C |
| Bed, max | 110 °C | 100 °C |
| Chamber heating | None | None |
| Weight | 8.9 kg | 9.5 kg |
| Materials | PLA, TPU, PETG, ABS, ASA, Nylon | PLA, PETG, TPU, PVA, PLA-CF, PETG-CF, ASA |