Price (USD)
Close callHydrology9 NX
$250
PAX 3
$250
Pricing is very close between both devices.
Vaporizer Comparison
Hydrology9 NX vs PAX 3
Hydrology9 NX
VS
PAX 3
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
Hydrology9 NX and PAX 3 are both concentrates / electronic vaporizers, but they target different priorities. Their listed prices are close ($250 vs $250). Heat-up speed is broadly similar between the two.
Specs Compared
14
Different Specs
12
Shared Specs
2
Overall Overlap
14%
Shared Traits
Concentrates Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callHydrology9 NX
~30 seconds
PAX 3
<30 seconds
Both devices are in a similar heat-up range.
Weight
PAX 3 edgeHydrology9 NX
413 grams
PAX 3
~93 grams
PAX 3 is the lighter listed unit.
Heating Style
Close callHydrology9 NX
Hybrid Convection
PAX 3
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Device Type
Hydrology9 NX
—
vs
PAX 3
Portable
Heating Type
Hydrology9 NX
Hybrid Convection
vs
PAX 3
Conduction
Temperature Range
Hydrology9 NX
—
vs
PAX 3
182°C - 215°C (260°F - 420°F)
Chamber Capacity
Hydrology9 NX
—
vs
PAX 3
<0.35 grams
Battery Capacity
Hydrology9 NX
1900mAh
vs
PAX 3
3500mAh
Charging
Hydrology9 NX
USB to Propietary Magnetic Connector
vs
PAX 3
—
Charge Time
Hydrology9 NX
~60 minutes
vs
PAX 3
~90 minutes
Bluetooth / App
Hydrology9 NX
—
vs
PAX 3
Yes
Dimensions
Hydrology9 NX
4.5cm x 4.5cm x 17.5cm
vs
PAX 3
98mm x 31mm x 22mm
Weight
Hydrology9 NX
413 grams
vs
PAX 3
~93 grams
Choose Hydrology9 NX if...
- You prefer a hybrid convection heating profile.
- Your usage leans toward hybrid and convection sessions.
- You prefer Hydrology9 NX's overall feature mix and form factor.
Choose PAX 3 if...
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward portable and conduction sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
12 differ 2 shared
| Specification | Hydrology9 NX | PAX 3 |
|---|---|---|
| Price (USD) | $250 | $250 |
| Device Type | — | Portable |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | <30 seconds |
| Temperature Range | — | 182°C - 215°C (260°F - 420°F) |
| Chamber Capacity | — | <0.35 grams |
| Battery Capacity | 1900mAh | 3500mAh |
| Charging | USB to Propietary Magnetic Connector | — |
| Charge Time | ~60 minutes | ~90 minutes |
| Bluetooth / App | — | Yes |
| Dimensions | 4.5cm x 4.5cm x 17.5cm | 98mm x 31mm x 22mm |
| Weight | 413 grams | ~93 grams |
| Power Adjustment | — | Modular - 4 stages |
| Brand | Cloudious9 | PAX Labs |
Comparison FAQs
What is the biggest difference between the Hydrology9 NX and the PAX 3?
The biggest practical difference is heating approach: Hydrology9 NX runs hybrid convection while PAX 3 runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
What's the difference in heating between the Hydrology9 NX and the PAX 3?
Hydrology9 NX uses hybrid convection heating, while the PAX 3 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the Hydrology9 NX or the PAX 3?
PAX 3 is the lighter unit at ~93 grams, around 320g less than the Hydrology9 NX at 413 grams. The lighter device is easier to carry and pocket day-to-day.
Which is cheaper, the Hydrology9 NX or the PAX 3?
Listed prices are close: $250 for the Hydrology9 NX versus $250 for the PAX 3. Day-to-day price will likely come down to whichever retailer is running a promotion.
Does the Hydrology9 NX or the PAX 3 have a companion app?
Only the PAX 3 pairs with a companion app. The Hydrology9 NX relies entirely on its on-device controls.
Which heats up faster, the Hydrology9 NX or the PAX 3?
Heat-up times are very close: ~30 seconds on the Hydrology9 NX and <30 seconds on the PAX 3. The real-world difference will be hard to notice mid-session.
Which charges faster, the Hydrology9 NX or the PAX 3?
Hydrology9 NX fully charges in ~60 minutes, ahead of ~90 minutes on the PAX 3.
Need a different matchup?
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