Neptune 4 Pro

“A fast, cheap Klipper machine for tinkerers.”
Will’s take Solid choice

“A fast, cheap Klipper machine for tinkerers.”
Will’s take Solid choice

“Four colours on a budget, with an AI camera thrown in.”
Will’s take Solid choice
| Spec | Elegoo Neptune 4 Pro | Creality SPARKX i7 |
|---|---|---|
| Price | $239 | $279 |
| Released | June 2023 | January 2026 |
| Technology | Filament (FDM) | Filament (FDM) |
| Motion system | Bed slinger | Bed slinger |
| Build volume | 225 × 225 × 265 mm | 260 × 260 × 255 mm |
| Top speed | 500 mm/s | 500 mm/s |
| Acceleration | 20,000 mm/s² | 10,000 mm/s² |
| Max colours | 1 | 4 (CFS Lite / CFS nano) |
| 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 | 9.12 kg |
| Materials | PLA, TPU, PETG, ABS, ASA, Nylon | PLA, PETG, PLA-CF, TPU (64D or harder) |