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Bambu Lab A1 mini vs Neptune 4 Pro

Buy the A1 mini for a first printer, a small desk, or multicolor prints. Buy the Neptune 4 Pro if you need a bigger build volume and faster top speeds and don't mind tinkering. The A1 mini is $199.00 at 3D Universe as of November 4, 2026, and the Neptune 4 Pro is $239.00 at ELEGOO US as of the same date, so the A1 mini is $40 cheaper.

Today the Bambu Lab A1 mini costs $40.00 less at its best price.

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Bambu Lab
Bambu Lab A1 mini

Bambu Lab A1 mini

$199.00at 3D UniverseObserved Nov 4, 2026, 4:53 PM
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Choose the A1 mini if you want a near plug-and-play printer with automatic calibration, Wi-Fi, a camera, and optional four-color printing in a compact 180 mm cube.

Pros
  • Cheap at $199.00 and easy for beginners to set up
  • Full-auto calibration cuts out manual tuning
  • Wi-Fi, camera, and timelapse built in
  • Four-color printing with the AMS lite
  • Quiet at under 48 dB in silent mode
Cons
  • Small 180 mm cube limits larger models
  • Open frame, so ABS and ASA need care
  • Single extruder without the AMS lite
Elegoo
Neptune 4 Pro

Neptune 4 Pro

4.8· 589 ratings
$239.00at ELEGOO USObserved Nov 4, 2026, 6:00 PM
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Choose the Neptune 4 Pro if you need a 225 x 225 x 265 mm build volume, Klipper speed up to 500 mm/s, and a direct-drive extruder for flexible filaments.

Pros
  • Bigger 225 x 225 x 265 mm build volume
  • Klipper firmware with input shaping and pressure advance
  • Dual-gear direct drive handles TPU well
  • 300 °C hotend covers nylon and other high-temp filaments
  • Dual Z lead screws for stability
Cons
  • No Wi-Fi or camera
  • Steep learning curve and unclear manual
  • Reports of lost prints and slow support response
  • Costs $40 more than the A1 mini

What separates them

Bambu Lab A1 miniNeptune 4 Pro
Build volume180 x 180 x 180 mm225 x 225 x 265 mm
Setup and calibrationFull-auto calibration, low learning curve121-point auto bed leveling, but a steeper learning curve
Max speedUp to 10,000 mm/s² acceleration500 mm/s max, 250 mm/s recommended
ConnectivityWi-Fi, microSD, cameraUSB and LAN only, no wireless
Multicolor printingFour colors with AMS liteSingle extruder, no multicolor kit
EnclosureOpen frameOpen frame
NoiseUnder 48 dB in silent modeUnder 50 dB
Price$199.00 at 3D Universe as of November 4, 2026$239.00 at ELEGOO US as of November 4, 2026

Price history

$199.00$163.95
Nov 3Nov 4
  • Bambu Lab A1 mini: lowest $199.00 on Nov 3 at 3D Universe; $199.00 on Nov 4.
  • Neptune 4 Pro: lowest $163.95 on Nov 4 at 3djake.com.

Prices at every store

Bambu Lab A1 mini

  • 3D UniverseNew

    In stockReturn policy

    $199.00Observed Nov 4, 2026, 4:53 PM
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  • bambulab.comNew

    In stock

    $199.00Free shippingObserved Nov 4, 2026, 4:53 PM
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  • eBayPre-owned

    Availability unknownSold by aj_electroniks (99.1% positive, 4,500 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $154.99+ $29.99 shippingVerified
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  • eBayNew

    Availability unknownSold by brett1883 (99.7% positive, 21,400 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $180.00+ $67.35 shippingVerified
    Visit store

Also available at

  • eBayCheck price at eBay
  • 3D UniverseCheck price at 3D Universe
All 3 stores and price history →

Neptune 4 Pro

  • ELEGOO USNew

    In stockReturn policy

    $239.00Observed Nov 4, 2026, 6:00 PM
    Visit store
  • 3djake.comNew

    In stock

    $163.95+ $204.35 shippingObserved Nov 4, 2026, 4:53 PM
    Visit store
All 2 stores and price history →

Specs compared

SpecBambu Lab A1 miniNeptune 4 Pro
Build Volume180 x 180 x 180 mm225 × 225 × 265 mm
ConnectivityWi-FiUSB/LAN
Height36.5 cm25 cm
Width34.7 cm50 cm
Max Hotend Temp300°C (All-metal)—
Filament Diameter1.75 mm—
Filament TypePETG—
Filament ColorRandom Color (samples)—
Printing Material TypeABS—
Printing TechnologyFused Filament Fabrication (FFF), Fused Deposit…—
Layer Resolution50-300 microns—
Type3D Printer—
Show all 33 specsShow fewer specs
SpecBambu Lab A1 miniNeptune 4 Pro
MaterialAll-metal linear rails and bearings—
Design HighlightsEnclosed chamber—
Depth31.5 cm—
Weight5.5 kg—
Printing SpeedUp to 10,000 mm/s² (acceleration)—
Number Of Extruders1—
Display Screen TypeIPS Touch Screen—
Memory Card SlotYes (microSD)—
Built-In CameraYes—
Safety Features

What reviewers say

Bambu Lab A1 mini

Reviewers describe the A1 mini as an affordable, beginner-friendly printer that is easy to set up, fast, and capable of four-color printing with good print quality.

Pros
  • Affordable for beginners and hobbyists
  • Easy to get going
  • Fast printing
  • Great-looking, high-quality prints
Cons
  • Small build volume limits larger prints
  • Multicolor needs the extra AMS lite purchase

Neptune 4 Pro

Rated 4.8 out of 5 from 589 ratings. Owners call it excellent value with solid build quality and accurate prints, and several report over a year of trouble-free use. Complaints center on setup confusion, lost prints and slow support.

Pros
  • Solid, well-finished structure
  • Accurate prints, even small details
  • Consistent extrusion and good TPU handling
  • Holds up after more than a year of use
Cons
  • Manual is unclear and the learning curve is steep
  • No wireless connectivity
  • Manual plus auto leveling is confusing
  • Some failed prints; slow support response
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Questions and answers

Which is better for a total beginner?
The A1 mini. It calibrates itself and needs little tuning, while the Neptune 4 Pro has a steeper learning curve and a manual some buyers find unclear.
Which prints larger models?
The Neptune 4 Pro. Its 225 x 225 x 265 mm volume beats the A1 mini's 180 mm cube.
Is the Neptune 4 Pro worth the extra $40?
Yes if you need the bigger bed or faster speeds. If you want easy setup and multicolor, the A1 mini at $199.00 is the better buy.
Which handles flexible filament better?
The Neptune 4 Pro. Its dual-gear direct drive extruder with a 5.2:1 ratio feeds TPU more reliably than the A1 mini's single extruder.
Can either print ABS?
Both reach 300 °C, but neither is enclosed. ABS and ASA will warp more easily, so expect to add an enclosure or stick to PLA and PETG.
Which is quieter?
The A1 mini, rated under 48 dB in silent mode versus under 50 dB for the Neptune 4 Pro. The gap is small.

More comparisons

  • Bambu Lab P2S vs Bambu Lab A1 mini
  • Bambu Lab P1S with AMS vs Bambu Lab A1 mini
  • Bambu Lab A1 with AMS Lite vs Bambu Lab A1 mini
  • K2/K2 Combo 3D Printer vs Bambu Lab A1 mini
  • Flashforge AD5X Multicolor 3D Printer vs Bambu Lab A1 mini

Buying guides that pick them

  • Best 3D printers for hobbyists
  • Best entry-level 3D printers for beginners
Power loss recovery
—
Supported File FormatsGcode—
Storage TypemicroSD—
Input VoltageAC 100-240 V—
Max Speed—500 mm/s
Auto Bed Leveling—121 (11 × 11) Points
Nozzle Temperature—300 °C
Supported Filaments—PLA/TPU/PETG/ABS/ASA/Nylon
Recommended Speed—250 mm/s
Processor—ARM 64-bit quad-core
Print Size—225 x 225 x 265 mm
Length—62 cm