Bambu Lab P1S vs Elegoo Neptune 4 Pro
Head-to-head 3D printer comparison, 2026
The Bambu Lab P1S and Elegoo Neptune 4 Pro are both FDM 3D printers competing in different tiers, $449 vs $259. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Bambu Lab P1S takes the crown with 9/10 vs 8/10. It pulls ahead in Print Quality, Speed, Reliability. That said, the Elegoo Neptune 4 Pro saves you $190 and wins on Value.
Direct answer
Bambu Lab P1S is the better pick for most buyers.
Choose Bambu Lab P1S if you want the stronger overall score, better fit for engineering and abs, and the safer recommendation. Choose Elegoo Neptune 4 Pro only if its specific strengths matter more to you than the overall result.
Winner by buyer type
Best overall
Bambu Lab P1S
Best value
Elegoo Neptune 4 Pro
Best build volume
Bambu Lab P1S
Score Breakdown
Specifications
| Spec | Bambu Lab P1S | Elegoo Neptune 4 Pro |
|---|---|---|
| Price | $449 | $259 |
| Type | FDM | FDM |
| Build Volume | 256 x 256 x 256 mm | 225 x 225 x 265 mm |
| Print Speed | 500 mm/s | 500 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 14.13 kg | 10.5 kg |
| Overall Score | 9/10 | 8/10 |
Pros & Cons
Bambu Lab P1S
+HEPA filter actually handles ABS fumes, not just PLA smell
+CoreXY at 500mm/s inside an enclosed chamber
+Reliability track record is as good as anything at this price
+AMS multi-material works without the constant jams you get on cheaper systems
−$449 without AMS, which adds another $100-150 on top
−Enclosure lid has to come off to reach prints mid-job
−P1P owners considering an upgrade: this is it, but it stings
Elegoo Neptune 4 Pro
+Linear rails at $259 is a feature you normally pay $400+ for
+Klipper pre-installed with decent out-of-box profiles
+500mm/s sustained prints well with stock settings
+Build quality feels more solid than the price suggests
−Early units shipped with firmware bugs that needed patching
−Elegoo's support community is a fraction of Creality's size
−No WiFi means USB-only printing
Who Should Buy Which?
Choose the Bambu Lab P1S if you want:
- A great printer for engineering
- A great printer for abs
- A great printer for enclosed
- Enclosed
- Multi-material (AMS)
- WiFi
Choose the Elegoo Neptune 4 Pro if you want:
- A great printer for budget
- A great printer for speed
- Klipper firmware
- Auto bed leveling
- Direct drive
Frequently Asked Questions
Is the Bambu Lab P1S better than the Elegoo Neptune 4 Pro?
By the numbers, the Bambu Lab P1S scores higher (9/10). But "better" depends on your use case, the Elegoo Neptune 4 Pro may be the smarter buy if you need budget.
Which is better for beginners, Bambu Lab P1S or Elegoo Neptune 4 Pro?
Both score 8/10 for beginners. Go with the Elegoo Neptune 4 Pro to save $190.
Is the Bambu Lab P1S worth $190 more than the Elegoo Neptune 4 Pro?
The Bambu Lab P1S scores higher overall (9/10 vs 8/10). The extra $190 gets you hepa filter actually handles abs fumes, not just pla smell.
What's the main difference between Bambu Lab P1S and Elegoo Neptune 4 Pro?
Build volume (256x256x256mm vs 225x225x265mm) and print speed (500 vs 500 mm/s). The Bambu Lab P1S is best for engineering; the Elegoo Neptune 4 Pro targets budget.