Sidewinder X4 Pro S1 vs K1

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

Sidewinder X4 Pro S1 and K1 are two fused filament fabrication (fff/fdm) in a similar class. Choose Sidewinder X4 Pro S1 if work area matters more; choose K1 if closed chamber matters more.

Parameter
Creality K1 K1 Creality F2 · Intermediate
Identity
Launch year 2024 2023
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) ~270–320 € 329 €
Price updated on 06/2026
Universal specs
Dimensions (W×D×H) (cm) 45.3 × 43.1 × 51.2 cm 35.5 × 35.5 × 48 cm
Weight (kg) 9.6 kg
Work area (mm) 240 × 240 mm 220 × 220 mm
Z-axis height (mm) 260 mm 250 mm
Power (W) 300 W 350 W
Maximum speed 500 mm/s 600 mm/s
Declared precision 0.1 mm
Category specs
XY print surface (mm) 240 mm 220 mm
Maximum Z height (mm) 260 mm 250 mm
Kinematics cartesian corexy
Max nozzle temperature (°C) 300 °C 300 °C
Max bed temperature (°C) 100 °C 100 °C
Max print speed (mm/s) 500 mm/s 600 mm/s
Closed chamber False true
Filament sensor true
Auto leveling mesh mesh
Standard nozzle diameter (mm) 0.4 mm
Multi-extruder False false
Native Klipper True true
Input shaper True true
Multicolor printing False false
Requires external accessory False
Ecosystem
Cloud dependency No No
Software notes Native Klipper firmware with a 64-bit ARM 1.5 GHz processor. The printer is controlled via Wi-Fi from the Fluidd or Mainsail web interface, sending G-code from any slicer (Cura, PrusaSlicer, OrcaSlicer). No proprietary software required; USB/Type-C connection allows offline control. The user has full access to macros and advanced Klipper tuning, without hardware modifications. Pre-installed Klipper firmware with Creality OS interface. Wi-Fi connectivity and built-in 4.3" touch screen.

The differences that matter

  • Closed chamber: K1 yes, Sidewinder X4 Pro S1 no
  • Max print speed: Sidewinder X4 Pro S1 500 mm/s vs K1 600 mm/s — K1 wins (+20%)
  • Work area: Sidewinder X4 Pro S1 240×240 mm vs K1 220×220 mm — Sidewinder X4 Pro S1 wins (+19%)
  • Price: Sidewinder X4 Pro S1 295 € vs K1 329 € — Sidewinder X4 Pro S1 wins (+12%)
  • Maximum Z height: Sidewinder X4 Pro S1 260 mm vs K1 250 mm — Sidewinder X4 Pro S1 wins (+4%)

Which one to choose

Choose Sidewinder X4 Pro S1 if…

you value work area, price and maximum z height.

See the Sidewinder X4 Pro S1 sheet →

Choose K1 if…

you value closed chamber and max print speed.

See the K1 sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.