Compare Elegoo Neptune 4 vs FLSUN S1 Pro
In this technical comparison between the Elegoo Neptune 4 and the FLSUN S1 Pro, 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 Approximately $210.00 - $240.00 USD and ~$1,299.00 USD.
| Specifications |
Elegoo Neptune 4 |
FLSUN S1 Pro |
|---|---|---|
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| Launch | ||
| Version | June 2023 | November 2024 |
| Print Performance | ||
| Build Volume | 225 x 225 x 265 mm | 320× 430 mm (Cylindrical build area) |
| Speed & Accel | Max speed 500 mm/s (250 mm/s recommended); Max acceleration 12,000 mm/s² | Max Speed: 1200 mm/s; Max Acceleration: 40,000 mm/s2 |
| Layer Precision | 0.1 mm – 0.4 mm | 0.1- 0.35 mm (Accuracy: ± 0.1 mm) |
| Extruder & Hotend | ||
| Extruder System | Self-developed Dual-Gear Direct Drive (5.2:1 reduction ratio); weight reduced to 75% of previous models. | Dual-Gear Direct Drive (Ultra-high flow: 110 mm 3/s) |
| Hotend Max Temp | 300°C (supports high-temp filaments like Nylon). | 350 °C (Equipped with ceramic heating ring) |
| Nozzle Specs | 0.4 mm standard; utilizes a copper-titanium bi-metal throat pipe for efficient heat dissipation | 0.4 mm Hardened Steel (Bi-metallic high-speed design) |
| Build Plate & Leveling | ||
| Bed Temp & Surface | Up to 110°C; PEI Magnetic Spring Steel plate. | 120 °C; Textured PEI Spring Steel with Smart Zone Heating |
| Leveling System | 121-point (11x11) auto bed leveling via inductive sensor, plus auxiliary manual leveling knobs. | Fully Automatic with Microtac Radar (Lidar) & Vibration Compensation |
| Materials & Sensors | ||
| Filament Support | PLA, PETG, TPU, ABS, ASA, and Nylon. | 1.75 mm; PLA, PETG, TPU, ABS, ASA, PA, PC, Carbon/Glass Fiber |
| Smart Sensors | Filament run-out sensor, Power loss recovery. | Clog Detection, Runout, and Dynamic Filament Weight Monitoring |
| Air Management | Features a massive rear cooling fan array (4x4020 blower fans) attached to the X-axis for rapid layer cooling. | Active Drying Chamber (Heats filament while printing) + HEPA/Carbon Filtration |
| Connectivity & Monitoring | ||
| Interfaces | USB, LAN (Ethernet), and MicroSD card. | Wi-Fi (2.4G/5G), USB Drive (16GB Internal EMMC + 32GB Flash) |
| Camera & AI | Supports USB webcams via the Klipper interface (Fluidd/Mainsail) for remote monitoring. | Integrated 1080p AI Camera (Spaghetti/Debris detection & Timelapses) |
| Remote Mgmt | Web-based control via LAN (Fluidd interface); supports remote file management and status updates. | FLSUN Algorithms 2.0 (Web UI), Mobile App, PC Remote Control |
| UI & Software | ||
| Control Panel | 4.3-inch removable capacitive touchscreen (handheld corded design). | 7-inch "Full-Integration" Color Touchscreen |
| Compatible Slicers | Elegoo Cura (included), standard Cura, PrusaSlicer, and OrcaSlicer (most popular choice in 2026). | FLSUN Slicer 2.0 (Customized Klipper-based), OrcaSlicer, Cura |
| Physical & Power | ||
| Dimensions & Weight | 475 x 445 x 515 mm; Net weight 8.3 kg. | 550× 595× 1030 mm |
| Power & Noise | ~50 dB during standard operation; significantly louder when the auxiliary fan array is at 100% speed. | 1300W Max (Power supply adapts to voltage); Noise Level: ≤ 55 dB |
| Misc | ||
| Inside the Box | Printer (partially assembled), Tool kit, 10m filament sample, USB drive, Spare nozzles, and the auxiliary fan assembly. | Tool Kit, Spare Hardened Nozzle, 200g Hyper-PLA, USB Stick, Spool Holder |
| Price | Approximately $210.00 - $240.00 USD | ~$1,299.00 USD |
| Full Details | Neptune 4 - Full Specifications | S1 Pro - Full Specifications |