3D Printing Info

Printer comparison

ELEGOO Mars 5 vs ELEGOO Neptune 3 Pro

Compare hardware, build volume, printing specifications, dated prices and sources.

2 selected · all documented properties

ELEGOO Mars 5 vs ELEGOO Neptune 3 Pro — documented properties and sources
PropertyELEGOO Mars 5RESINELEGOO Neptune 3 ProBEDSLINGER
Identity
BrandELEGOOELEGOO
ClassRESINBEDSLINGER
Identity & Market
Manufacturer & exact marketed model name (verify the exact product identity first)ELEGOO Mars 5. Elegoo's own product handle spells the configuration out: mars-5-4k-6-6inch-monochrome-lcd-resin-3d-printer[1][2][3]ELEGOO Neptune 3 Pro[4]
Release date (announcement and actual shipping)Not documentedListed on the ELEGOO US store from 11 November 2022 (Shopify publish date)[5]
Street price (USD; dated snapshot per entry)$179.00 on us.elegoo.com against a $225.00 compare-at price (20% off), in stock, checked Aug 2026. The live product feed shows the same $179.00[2][3]$259.99 on us.elegoo.com, Aug 2026, with the compare-at price also $259.99 - notably more than the newer and far faster Neptune 4 at $219[5][6]
Variants & sibling models — and how to tell them apart (spec-contamination risk)Sold beside the Mars 5 Ultra, which is a materially different machine: 7-inch 9K masking LCD vs 6.6-inch 4K, 18 um vs 35 um pixels, 150 vs 70 mm/h, a 4.0-inch capacitive control screen vs 3.5-inch resistive, and Wi-Fi (the plain Mars 5 is USB only). Elegoo lists ten further Mars 5 / Mars 5 Ultra bundle SKUs pairing the printers with Mercury wash-and-cure stations at $302-$432; those are not printer prices[1][7][2][3]The last Neptune 3 still listed; the 3 Plus and 3 Max are gone from the store's Neptune section. Do not read Neptune 4 figures onto it: the 3 Pro runs Marlin, not Klipper, tops out at 180 mm/s rather than 500, uses a 36-point mesh rather than 121-point, and its nozzle stops at 260 C rather than 300 C. Its machine size, 475 x 445 x 515 mm, is identical to the Neptune 4's, so body dimensions will not tell them apart[4][8][9]
Market position: superseded? successor announced?Not documentedSuperseded by the Neptune 4 series and, in ELEGOO's current marketing, by the Centauri line[9]
Physical & Frame
Build volume X×Y×Z (mm) — advertised vs actually usable143.43 x 89.6 x 150 mm[1]225 x 225 x 280 mm; printing platform 235 x 235 mm[4]
Machine footprint (mm) & clearance needed (cable/spool overhang)230 x 230 x 433.5 mm[1]475 x 445 x 515 mm - the same body as the Neptune 4. ELEGOO's maximum size for machine activity is 475 x 580 x 725 mm[4][8]
Net weight (kg)Approximately 6.6 kg[1]8.1 kg net, 10.15 kg gross[4]
Frame construction & materialMetal frame with adjustable foot pads[1]CNC-machined aluminium extrusion frame (Neptune family)[8]
Enclosure: open / enclosed; panel material; door/lidOpen-frame MSLA with a removable UV-blocking cover[1]Open frame, no enclosure[4]
Kinematics & Motion Hardware
Kinematics (bedslinger i3 / CoreXY / other)MSLA — UV LCD masked stereolithography. Single Z axis, build plate lifting straight out of the vat (no tilt-release on this model, unlike the Mars 5 Ultra)[1][7]Cartesian i3 bed-slinger[4]
Z-axis: leadscrew count & type, sync mechanism, anti-backlashNot documentedTwo lead screws[4]
Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?)Not documented"Silent Drive (All Axes)"; no driver part number published[4]
Speed & Acceleration
Max print speed (claimed, mm/s)Not documented30-180 mm/s, with 60 mm/s given by ELEGOO as the recommended speed - a pre-Klipper machine, and the slowest in this file apart from the OrangeStorm Giga[4]
Recommended/typical print speedNot documented60 mm/s recommended printing speed (manufacturer figure)[4]
Extruder
Type (direct drive / bowden) & design nameNot documentedDual-gear direct extruder with 2 fans[4]
Hotend & Nozzle
Hotend design (proprietary/standard; quick-swap mechanism?)Not documentedBrass nozzle, 0.4 mm, titanium-alloy heat break[4]
Max nozzle temp claimed AND firmware max temp limit (both values)Not documented260 C claimed max nozzle temperature - 40 C below the Neptune 4 series[4][8]
Heated Bed & Surface
Max bed temp claimed AND firmware limitNot documented100 C max heated bed temperature at 25 C ambient[4]
Bed surface (material, texture, coating), single/double-sidedLaser-engraved build plate with a quick-release design[1]PEI spring steel sheet[4]
Leveling & Z-Offset
Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe)Automatic levelling, one click. An intelligent mechanical sensor detects resin residue to prevent LCD damage[1]36-point auto-levelling (the Neptune 4 family moved to 121 points)[4][10]
Filament Handling & Detection
Filament runout sensor (type, location)Not documentedFilament run-out sensor and power-loss recovery[4]
Electronics & Power
Input voltage (110/220 V, switch or auto)100-240 V, 50/60 Hz, 24 V 3 A[1]Not documented
Total rated power drawNot documented300 W rated power, 24 V output[4]
Firmware & Openness
Firmware base & current version (Klipper fork / Marlin fork / proprietary)Not named by Elegoo. Supported slicers are Voxeldance Tango and CHITUBOX; STL and OBJ accepted[1]Marlin - ELEGOO names the system "Marlin" for the Neptune 3 Pro, against "Klipper" for the whole Neptune 4 family[4][10]
Connectivity, UI & Camera
Display: size, type, touch?3.5-inch resistive touchscreen (control panel — not the masking LCD, see W1)[1]4.3-inch colour capacitive touch screen[4]
On-device UI capabilities (model preview, per-object controls, etc.)Not documentedColour capacitive touch UI; ElegooSlicer recommended, Orca and Cura supported[4]
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveUSB only — no Wi-Fi on this model[1]TF (microSD) card and USB cable only - no LAN and no Wi-Fi[4]
Materials Support
Officially supported filament list405 nm photopolymer resin. Elegoo does not publish a resin compatibility list on this listing[1]PLA, TPU, PETG, ABS, ASA - no Nylon, unlike the Neptune 4 family[4][8]
Safety
Firmware safety limits (max temp cutoffs — exact values)Intelligent overheating protection stops printing above 80 °C[1]Not documented
Noise & Power Consumption
Noise: claimed dB and independently measured dB (distance/method)Not documentedOperating sound published as 48 dB or less - a manufacturer figure with no distance or method stated[4]
Reliability, Support & Ecosystem
Warranty length & support reputation (evidence, not vibes)Not documented12 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[11]
Resin & MSLA
Masking LCD6.6-inch 4K monochrome masking LCD, 4098 x 2560 px, XY pixel pitch 35 x 35 um (manufacturer specification)[1][3]Not documented
Light sourceCOB LED at 405 nm. Elegoo does not publish an LED count or collimating optics for this model[1]Not documented
Vertical print speedmm/h70 mm/h maximum (manufacturer claim). Elegoo does not state the layer height or resin type the figure assumes[1]Not documented
Release filmPFA film with a non-stick surface. No rated life published[1]Not documented
Resin vat & feedingReplaceable resin tank with two pouring openings and screw caps. An intelligent mechanical sensor detects resin residue in the vat. Capacity not published; no auto-refill[1]Not documented
Fume extractionNone fitted. Elegoo states compatibility with the separately sold MARS MATE air purifier for odour reduction[1]Not documented

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

  1. Elegoo Mars 5 product page (technical data and description) 3djake.com · 2026-08 · vendor
  2. ELEGOO Mars 5 Series collection (live US prices) us.elegoo.com · 2026-08 · vendor
  3. ELEGOO Mars 5 Series live product feed us.elegoo.com · 2026-08 · vendor
  4. ELEGOO compare-products page, which embeds the full per-model specification JSON for every Neptune, Centauri and OrangeStorm machine us.elegoo.com · 2026-08 · vendor
  5. ELEGOO Neptune 3 Pro Shopify product JSON (price and store publish date) us.elegoo.com · 2026-08 · vendor
  6. ELEGOO Neptune 4 Shopify product JSON (variant prices and store publish date) us.elegoo.com · 2026-08 · vendor
  7. Elegoo Mars 5 Ultra product page (technical data and description) 3djake.com · 2026-08 · vendor
  8. ELEGOO Neptune 4 product page (Specification table) us.elegoo.com · 2026-08 · vendor
  9. ELEGOO US store 3D printers collection (current line-up, Aug 2026) us.elegoo.com · 2026-08 · vendor
  10. ELEGOO Neptune 4 Plus product page (full specification table) us.elegoo.com · 2026-08 · vendor
  11. ELEGOO Refund & Warranty policy (warranty period table) us.elegoo.com · 2026-08 · vendor