Sidewinder X4 Pro S1 vs K2 Pro Combo
Technical comparison · Fused filament fabrication (FFF/FDM)
Sidewinder X4 Pro S1 and K2 Pro Combo are not direct competitors: very different prices (~3.7×). Sidewinder X4 Pro S1 costs less (~€295) and is the entry-level choice; K2 Pro Combo offers more capability at a higher price (~€1099). Judge them by budget, not head-to-head.
| Parameter |
Sidewinder X4 Pro S1
Artillery
F2 · Intermediate
|
K2 Pro Combo
Creality
F3 · Advanced
|
|---|---|---|
| Identity | ||
| Launch year | 2024 | 2025 |
| Use tier | F2 — Intermediate | F3 — Advanced |
| Price | ||
| Price (€) | ~270–320 € | 1099 € |
| Price updated on | — | 06/2026 |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 45.3 × 43.1 × 51.2 cm | 44.5 × 50.5 × 85 cm |
| Weight (kg) | — | 23.7 kg |
| Work area (mm) | 240 × 240 mm | 300 × 300 mm |
| Z-axis height (mm) | 260 mm | 300 mm |
| Power (W) | 300 W | 1300 W |
| Voltage (V) | — | 240 V |
| Maximum speed | 500 mm/s | 600 mm/s |
| Declared precision | — | 0.1 ±mm |
| Category specs | ||
| XY print surface (mm) | 240 mm | 300 mm |
| Maximum Z height (mm) | 260 mm | 300 mm |
| Kinematics | cartesian | corexy |
| Max nozzle temperature (°C) | 300 °C | 300 °C |
| Max bed temperature (°C) | 100 °C | 110 °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 | True |
| Requires external accessory | False | True |
| Maximum colors | — | 16 |
| 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. | Natively managed via Creality Print, it features AI capabilities for first-layer monitoring and print failure detection. It offers comprehensive connectivity via Wi-Fi, Ethernet, and USB, supporting remote control and the Creality Cloud ecosystem. |
The differences that matter
- Price: Sidewinder X4 Pro S1 295 € vs K2 Pro Combo 1099 € — Sidewinder X4 Pro S1 wins (+273%)
- Work area: Sidewinder X4 Pro S1 240×240 mm vs K2 Pro Combo 300×300 mm — K2 Pro Combo wins (+56%)
- Closed chamber: K2 Pro Combo yes, Sidewinder X4 Pro S1 no
- Multicolor printing: K2 Pro Combo yes, Sidewinder X4 Pro S1 no
- Requires external accessory: K2 Pro Combo yes, Sidewinder X4 Pro S1 no
Which one to choose
Choose K2 Pro Combo if…
you value work area, closed chamber and multicolor printing. «A closed chamber reduces thermal gradients around the part being built, limiting warping and cracking caused by rapid cooling in high-shrinkage materials such as ABS, ASA, and PC. It also shields the mechanism from drafts and airborne particles. A closed chamber is effectively necessary for technical materials; for PLA and PETG it is an advantage, not a requirement.»
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.