Price (USD)
PAX 2 edgeHydrology9 NX
$250
PAX 2
$150
PAX 2 is typically around $100 lower.
Vaporizer Comparison
Hydrology9 NX vs PAX 2
Side-by-side specs, pricing context, and clear decision guidance.
Hydrology9 NX
Cloudious9 $250
VS
PAX 2
PAX Labs $150
Editorial Summary
Hydrology9 NX and PAX 2 are both electronic vaporizers, but they target different priorities. PAX 2 is usually the lower-cost pick at $150, around $100 below Hydrology9 NX. Hydrology9 NX has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
21
Different Specs
20
Shared Specs
1
Overall Overlap
5%
Shared Traits
Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Hydrology9 NX edgeHydrology9 NX
~30 seconds
PAX 2
<60 seconds
Hydrology9 NX has the quicker listed heat-up profile.
Weight
PAX 2 edgeHydrology9 NX
413 grams
PAX 2
~90 grams
PAX 2 is the lighter listed unit.
Heating Style
Close callHydrology9 NX
Hybrid Convection
PAX 2
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Hydrology9 NX
$250
PAX 2
$150
Device Type
Hydrology9 NX
Desktop
PAX 2
Portable
Heating Type
Hydrology9 NX
Hybrid Convection
PAX 2
Conduction
Heat Up Time
Hydrology9 NX
~30 seconds
PAX 2
<60 seconds
Temperature Range
Hydrology9 NX
356°F - 455°F (herb), 554°F - 770°F (extract)
PAX 2
182°C - 215°C (360°F - 420°F)
Chamber Capacity
Hydrology9 NX
~0.2g - 0.25g
PAX 2
0.35 - 0.5 grams
Battery Type
Hydrology9 NX
Removable
PAX 2
Internal
Battery Capacity
Hydrology9 NX
1900mAh
PAX 2
3000mAh
Dimensions
Hydrology9 NX
4.5cm x 4.5cm x 17.5cm
PAX 2
98mm x 31mm x 22mm
Weight
Hydrology9 NX
413 grams
PAX 2
~90 grams
Choose Hydrology9 NX if...
- You care about faster heat-up time for quicker sessions.
- You prefer a hybrid convection heating profile.
- Your usage leans toward hybrid and convection sessions.
Typical price
$250
Sold by To the Cloud Vapor Store
Choose PAX 2 if...
- You want the lower listed entry price ($150 vs $250).
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward portable and discrete sessions.
Typical price
$150
Sold by Slick Vapes
Prices are read automatically from retailer pages; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.
Spec Comparison Table
Direct comparison of every spec from each device profile.
20 differ 1 shared
| Specification | Hydrology9 NX | PAX 2 |
|---|---|---|
| Price (USD) | $250 | $150 |
| Device Type | Desktop | Portable |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | <60 seconds |
| Temperature Range | 356°F - 455°F (herb), 554°F - 770°F (extract) | 182°C - 215°C (360°F - 420°F) |
| Chamber Capacity | ~0.2g - 0.25g | 0.35 - 0.5 grams |
| Battery Type | Removable | Internal |
| Battery Capacity | 1900mAh | 3000mAh |
| Battery Life | 60-120 sessions | — |
| Charging | USB to Propietary Magnetic Connector | — |
| Charge Time | ~60 minutes | — |
| Bluetooth / App | — | No |
| Dimensions | 4.5cm x 4.5cm x 17.5cm | 98mm x 31mm x 22mm |
| Weight | 413 grams | ~90 grams |
| Power Adjustment | 6 Presets (Dial) | 4 Preset Modes |
| Chamber Material | Ceramic (herb) / Quartz & Ceramic (extract) | Stainless Steel |
| Concentrate Support | Yes | — |
| Brand | Cloudious9 | PAX Labs |
| Release Date | 2021 | 2015 |
| Session Style | Session | — |
| Warranty | 2 years | 2 years |
Comparison FAQs
What is the biggest difference between the Hydrology9 NX and the PAX 2?
The biggest practical difference is price tier: the PAX 2 sits at $150 while the Hydrology9 NX is $250, a gap of about $100 that puts them in different buying brackets.
Which is cheaper, the Hydrology9 NX or the PAX 2?
PAX 2 is the cheaper option at $150 compared with $250 for the Hydrology9 NX, about $100 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Hydrology9 NX or the PAX 2?
Hydrology9 NX reaches session-ready temperature in ~30 seconds, while the PAX 2 takes <60 seconds. That's roughly 30 seconds quicker on the Hydrology9 NX, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Hydrology9 NX and the PAX 2?
Hydrology9 NX uses hybrid convection heating, while the PAX 2 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Hydrology9 NX or the PAX 2 hold more flower?
PAX 2 has the larger chamber at 0.35 - 0.5 grams, versus ~0.2g - 0.25g on the Hydrology9 NX. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Hydrology9 NX or the PAX 2?
PAX 2 is the lighter unit at ~90 grams, around 323g less than the Hydrology9 NX at 413 grams. The lighter device is easier to carry and pocket day-to-day.
Is the Hydrology9 NX or the PAX 2 better for home versus on-the-go use?
PAX 2 is the take-anywhere choice. It's a portable, battery-powered unit, while the Hydrology9 NX is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.