In this technical comparison between the Creality K2 Plus and the FLSUN S1, we analyze the key features to help you choose.
Choosing between these two 3D Printers models often comes down to your budget, with prices around ~$999.00 (Standard) to ~$1,499.00 (Combo with CFS) and ~$1,299.00 - $1,499.00.
| Specifications |
Creality K2 Plus |
FLSUN S1 |
|---|---|---|
|
|
|
| Launch | ||
| Version | 2025 | November 2023 |
| Print Performance | ||
| Build Volume | 350× 350× 350 mm | 320mm ×430 mm (Cylindrical build area) |
| Speed & Accel | Max Speed: 600 mm/s; Max Acceleration: 30,000 mm/s 2 | Max Speed: 1200 mm/s; Max Acceleration: 40,000 mm/s 2 |
| Layer Precision | 0.05-0.3 mm (Accuracy: ± 0.1 mm) | 0.1 - 0.35 mm (High-speed optimized) |
| Extruder & Hotend | ||
| Extruder System | "Apus" Direct Drive (Dual-gear, all-metal with filament cutter) | Ultra-light Dual-Gear Direct Drive (High-flow design) |
| Hotend Max Temp | 350 °C (800W AC Heating System for rapid warm-up) | 350 °C (80W Ceramic Heater) |
| Nozzle Specs | 0.4 mm Quick-swap Tri-metal "Unicorn" (Hardened Steel tip) | 0.4 mm Hardened Steel (Supports high-flow & abrasive materials) |
| Build Plate & Leveling | ||
| Bed Temp & Surface | 120 °C; Flexible Frosted PEI Magnetic Build Plate | 120 °C; Textured PEI Spring Steel with Smart Zone Heating |
| Leveling System | Fully-automatic with Active Bed Tilt Calibration and G-sensor | Fully Automatic with Microtac Radar (Lidar) & Active Vibration Compensation |
| Materials & Sensors | ||
| Filament Support | 1.75 mm; PLA, PETG, ABS, ASA, PA-CF, PPS-CF, PPA-CF, TPU | 1.75 mm; PLA, PETG, TPU, ABS, ASA, PA, PC, PLA-CF/GF |
| Smart Sensors | Filament Runout, Power Loss Recovery, and Tangle Detection | Filament Runout, Clog Detection, and Filament Weight Monitoring |
| Air Management | Built-in Air Purifier (Active Carbon/HEPA) + 60 °C Active Chamber Heater | Internal Filament Drying Room (Integrated) + HEPA/Carbon Filtration |
| Connectivity & Monitoring | ||
| Interfaces | Wi-Fi (2.4/5GHz), Ethernet, USB Drive (32GB internal storage) | Wi-Fi, USB Drive (16GB Internal EMMC + 32GB Flash) |
| Camera & AI | Dual AI Cameras (One for monitoring/timelapse, one for flow/PA calibration) | Built-in 1080p AI Camera (Spaghetti/Debris detection & Timelapse) |
| Remote Mgmt | Creality Cloud App, Creality Print 5.0+, Web Interface | FLSUN OS (Web UI), Mobile App, PC Remote Control |
| UI & Software | ||
| Control Panel | 4.3-inch HD Color Touchscreen | 7-inch "Full-Integration" Color Touchscreen |
| Compatible Slicers | Creality Print 5.0+, Cura, OrcaSlicer, PrusaSlicer | FLSUN Slicer, Cura, OrcaSlicer, PrusaSlicer |
| Physical & Power | ||
| Dimensions & Weight | 495× 515× 640 mm; Net Weight: 35 kg | 550× 595× 1030 mm; Net Weight: 39 kg |
| Power & Noise | 1200W Max; Noise Level: ≤ 45dB (at 300 mm/s) | 1300W Max (at 220V); Operating Noise: ≤ 55dB |
| Misc | ||
| Inside the Box | Printer, CFS Unit (if Combo), 4×500g Hyper Filament, Tool Kit, Spare Nozzle, USB Stick | Toolkit (Wrenches, Cutters, Grease), Spare Nozzle, 200g Test Filament, SD Card/Reader, Spool Rack |
| Price | ~$999.00 (Standard) to ~$1,499.00 (Combo with CFS) | ~$1,299.00 - $1,499.00 |
| Full Details | K2 Plus - Full Specifications | S1 - Full Specifications |