3D Printing InfoPrinter comparison
ELEGOO Neptune 4 Plus vs Formlabs Form 4L
Compare hardware, build volume, printing specifications, dated prices and sources.
2 selected · all documented properties
Open these two in the interactive comparisonMore ELEGOO Neptune 4 Plus comparisonsMore Formlabs Form 4L comparisons
| Property | ELEGOO Neptune 4 PlusBEDSLINGER | Formlabs Form 4LRESIN |
|---|---|---|
| Identity | ||
| Brand | ELEGOO | Formlabs |
| Class | BEDSLINGER | RESIN |
| Identity & Market | ||
| Manufacturer & exact marketed model name (verify the exact product identity first) | ELEGOO Neptune 4 Plus[1] | Formlabs Form 4L[2] |
| Release date (announcement and actual shipping) | Listed on the ELEGOO US store from 20 September 2023 (Shopify publish date), the same date as the Neptune 4 Max[3][4] | Not documented |
| Street price (USD; dated snapshot per entry) | $309.00 on us.elegoo.com, Aug 2026, against a compare-at price of $425.00. Only a Ribbon-Cable printhead variant is listed for the Plus, unlike the Neptune 4 and 4 Max which also offer a Type-C version[3][5][4] | Not documented |
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | Middle model of the Neptune 4 family. Against the base Neptune 4: bigger (320 x 320 x 385 mm), but a lower bed ceiling (100 C rather than 110 C) and much lower acceleration (12000 rather than 20000 mm/s2). Against the Max: smaller and lighter (14.4 kg against 18.1 kg) but with a higher bed ceiling (100 C against 85 C) and higher acceleration (12000 against 8000). Its Z drive is 2 lead screws with 2 tie rods, where the Centauri machines use 3 lead screws[1][6][7][8] | Same Low Force Display engine as the Form 4 but a different machine on every physical figure: 353 x 196 x 350 mm vs 200 x 125 x 210, 46 um vs 50 um pixels, 58.5 kg vs 18.3 kg, 900 W vs 480 W, two resin cartridges vs one. Formlabs lists Basic, Premium and Complete packages, whose prices are not printer-only prices, and no printer-only USD figure was found on a live listing[2] |
| Physical & Frame | ||
| Build volume X×Y×Z (mm) — advertised vs actually usable | 320 x 320 x 385 mm; printing platform 330 x 330 mm[1] | 353 x 196 x 350 mm (Formlabs quotes 24.2 litres)[2] |
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 533 x 517 x 638 mm; ELEGOO also publishes a maximum size for machine activity of 578 x 750 x 860 mm including rack and tray, so allow 750 mm of depth[1] | 664 x 528 x 794 mm[2] |
| Net weight (kg) | 14.4 kg net, 16.65 kg gross[1] | 58.5 kg[2] |
| Frame construction & material | CNC-machined aluminium extrusion frame (Neptune 4 family)[6] | Not documented |
| Enclosure: open / enclosed; panel material; door/lid | Open frame, no enclosure[1] | Enclosed cabinet with a UV-blocking cover. Operating temperature 18-28 C[2] |
| Kinematics & Motion Hardware | ||
| Kinematics (bedslinger i3 / CoreXY / other) | Cartesian i3 bed-slinger[1] | Masked stereolithography (MSLA) with the Low Force Display engine; straight-lift peel[2] |
| Z-axis: leadscrew count & type, sync mechanism, anti-backlash | Two lead screws with two tie rods[1] | Not documented |
| Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?) | "Silent Drive (All Axes)" is all ELEGOO publishes; the driver part number is not given on the product page[1] | Not documented |
| Speed & Acceleration | ||
| Max print speed (claimed, mm/s) | 30-500 mm/s printing speed, with 250 mm/s given by ELEGOO as the recommended figure - the 500 mm/s number is a ceiling, not a working speed[1] | Not documented |
| Recommended/typical print speed | 250 mm/s recommended printing speed (manufacturer figure)[1] | Not documented |
| Max acceleration (claimed, mm/s²) | 12000 mm/s2 maximum acceleration; default acceleration 5000 mm/s2[1] | Not documented |
| Extruder | ||
| Type (direct drive / bowden) & design name | Dual-gear direct extruder with 2 fans (the Centauri machines use a 1-fan version)[1][8] | Not documented |
| Hotend & Nozzle | ||
| Hotend design (proprietary/standard; quick-swap mechanism?) | Brass nozzle, 0.4 mm, with a titanium-alloy heat break[1] | Not documented |
| Max nozzle temp claimed AND firmware max temp limit (both values) | 300 C claimed max nozzle temperature[1] | Not documented |
| Heated Bed & Surface | ||
| Max bed temp claimed AND firmware limit | 100 C max heated bed temperature at 25 C ambient[1] | Not documented |
| Bed surface (material, texture, coating), single/double-sided | PEI spring steel sheet; ELEGOO notes it is now upgraded to a dual-sided textured PEI + PLA-specific surface[1] | Not documented |
| Leveling & Z-Offset | ||
| Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe) | Manual levelling combined with 121-point auto-levelling[1] | Not documented |
| Filament Handling & Detection | ||
| Filament runout sensor (type, location) | Filament run-out sensor and power-loss recovery; no camera, no clog detection, no auto filament unloading[1] | Not documented |
| Electronics & Power | ||
| Mainboard model & MCU (exact chip markings if teardowns exist) | ELEGOO describes it only as a "Klipper High-Speed Quiet Motherboard" - no board model or MCU is published[1] | Not documented |
| Input voltage (110/220 V, switch or auto) | Not documented | 100-240 VAC, 9 A, 50/60 Hz, 900 W[2] |
| Total rated power draw | 320 W rated power; 24 V output; 110-120 V / 220-240 V input[1] | 900 W[2] |
| Firmware & Openness | ||
| Firmware base & current version (Klipper fork / Marlin fork / proprietary) | Klipper (ELEGOO names the system "Klipper" outright for the Neptune 4 Plus, rather than the ELEGOO OS branding used on the Centauri machines)[1][8] | Proprietary; print preparation is PreForm[2] |
| Connectivity, UI & Camera | ||
| Display: size, type, touch? | 4.3-inch colour capacitive touch screen[1] | 7-inch interactive touchscreen, 1280 x 800 (control panel — not the masking LCD, see W1)[2] |
| On-device UI capabilities (model preview, per-object controls, etc.) | Colour capacitive touch UI; ElegooSlicer is recommended, with Orca and Cura also supported[1] | Not documented |
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | USB, LAN and Wi-Fi[1] | Dual-band Wi-Fi, Gigabit Ethernet, USB-C 2.0[2] |
| Materials Support | ||
| Officially supported filament list | PLA, TPU, PETG, ABS, ASA, Nylon[1] | Formlabs resin range as for the Form 4; biocompatible materials require a B-series machine[2] |
| Noise & Power Consumption | ||
| Noise: claimed dB and independently measured dB (distance/method) | Operating sound is published as 65 dB or less - a manufacturer figure with no measuring distance or method given, so it is not comparable with a reviewer's dB reading[1] | Not documented |
| Reliability, Support & Ecosystem | ||
| Warranty length & support reputation (evidence, not vibes) | 12 months on brand-new machines and parts, but ELEGOO's own table excludes a long list of parts from that: PEI plate / build plate / nozzle kit / PTFE tube / heater / thermistor / hot end / packaging / manual / tools carry no warranty at all, and the extruder, extruder kit and printhead kit get 6 months. Certified pre-owned machines carry no warranty[9] | Not documented |
| Independently Measured Performance | ||
| Dimensional accuracy measurements (third-party, with numbers) | Not documented | XY dimensional tolerance +/-0.15% — a manufacturer specification[2] |
| Resin & MSLA | ||
| Masking LCD | Not documented | Low Force Display masking LCD with a 46 um pixel size. Formlabs does not publish the screen diagonal or pixel count[2] |
| Light source | Not documented | Backlight unit with uniform-wavelength LEDs behind collimating lenses, with integrated cooling[2] |
| Layer height range | Not documented | 25-200 um[2] |
| Resin vat & feeding | Not documented | Two next-generation resin cartridges. No vat capacity published[2] |
Manufacturer claims, independent measurements, packages and test conditions retain their source wording. FDM linear speed and resin vertical speed use different units and are not directly comparable. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.
Sources for this comparison
- ELEGOO Neptune 4 Plus product page (full specification table) us.elegoo.com · 2026-08 · vendor
- Formlabs resin printer technical specifications (Form 4 / 4B / 4L) formlabs.com · 2026-08 · vendor
- ELEGOO Neptune 4 Plus Shopify product JSON (variant prices and store publish date) us.elegoo.com · 2026-08 · vendor
- ELEGOO Neptune 4 Max Shopify product JSON (variant prices and store publish date) us.elegoo.com · 2026-08 · vendor
- ELEGOO Neptune 4 Shopify product JSON (variant prices and store publish date) us.elegoo.com · 2026-08 · vendor
- ELEGOO Neptune 4 product page (Specification table) us.elegoo.com · 2026-08 · vendor
- ELEGOO Neptune 4 Max product page (Specification table) us.elegoo.com · 2026-08 · vendor
- ELEGOO Centauri Carbon product page (full specification table) us.elegoo.com · 2026-08 · vendor
- ELEGOO Refund & Warranty policy (warranty period table) us.elegoo.com · 2026-08 · vendor