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.
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.