Compare Creality K2 Plus vs FLSUN S1

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
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