🖨 3D Printer Radar

Bambu Lab P1SvsElegoo Neptune 4 Pro

💰Elegoo Neptune 4 Pro is $289 cheaper (111% less)
📐Bambu Lab P1S has 25% more build volume
🏠Only Bambu Lab P1S has an enclosure — required for ABS, ASA, PA engineering filaments
🎨Only Bambu Lab P1S supports multicolor printing (4 slots)
Cross-ecosystem comparison: These printers use different software ecosystems. Accessories, filament profiles, and community support are not interchangeable between brands. Consider the total ecosystem cost, not just the printer price.
Bambu Lab P1S
Buy/Wait:Superseded

This printer is no longer sold new. It has been replaced by the Bambu Lab P2S.

Best for: Makers who need an enclosed printer for ABS, ASA, PA, and PC at prosumer price — now available at clearance pricing after P2S launch.

Full details →
Elegoo Neptune 4 Pro
Buy/Wait:Wait

Overdue for a refresh — no successor announced yet. Prices should be at their lowest

Best for: Budget-conscious makers who want a capable CoreXY with Klipper firmware for customization — without Bambu's closed ecosystem or Prusa's premium pricing.

Full details →
Bambu Lab P1SElegoo Neptune 4 Pro
Pricing
Starting Price$549$260
Print Specs
TierProsumerProsumer
MotionCoreXYCoreXY
Build Volume256 × 256 × 256 mm225 × 225 × 265 mm
Max Speed500 mm/s500 mm/s
Multicolor✅ 4 slots❌ No
Enclosure
Auto Calibration
Open Source
Upgrade Kit
Buy Timing
ReleasedJul 5, 2023Jul 15, 2023
Cycle length~335 days~450 days
Cycle adviceSupersededWait
Deals adviceClearanceBuy
Next model

Quick Winner

💰
Budget pick
Elegoo Neptune 4 Pro
$260 starting
📐
Large prints
Bambu Lab P1S
256×256×256 mm
Fastest prints
Tie
🔓
Open ecosystem
Tie

Bottom Line

💰Elegoo Neptune 4 Pro saves you $289 — choose it if budget is your primary constraint
🏠Bambu Lab P1S is the only choice if you print ABS, ASA, PA, or PC — those materials require an enclosure
🎨Bambu Lab P1S is the pick if multicolor printing is important to you

Materials

Bambu Lab P1S only
PANylon — strong and wear-resistant, needs dry storage
PA-CFCarbon-fibre nylon — very stiff, abrasive to standard nozzles
PCPolycarbonate — extremely tough, challenging to print
Both
PLAEasy to print, no enclosure needed — everyday parts
PETGTougher, slightly flexible, moisture-resistant
ABSHeat and impact resistant — needs enclosure
ASAUV-stable ABS alternative — outdoor parts, needs enclosure
TPUFlexible rubber-like — phone cases, gaskets, wheels
Elegoo Neptune 4 Pro only

Why buy each?

Bambu Lab P1S

Full enclosure with chamber heating

Active chamber temperature control enables reliable ABS, ASA, PA, and PC printing without warping.

CoreXY speed and precision

500 mm/s print speed with Bambu's vibration compensation delivers fast, accurate prints.

Now at clearance prices

With the P2S released, P1S prices are at their lowest — an opportunity for budget-conscious buyers.

Elegoo Neptune 4 Pro

Klipper firmware out of the box

The Neptune 4 Pro ships with Klipper pre-installed — enabling advanced input shaping, pressure advance, and configuration flexibility without modding.

500 mm/s at budget pricing

Competitive CoreXY speed at a price significantly below Bambu and Prusa alternatives.

Auto calibration

Full automatic bed leveling reduces setup time and calibration friction.