Price (USD)
PAX 2 edgeHydrology9
$199
PAX 2
$150
PAX 2 is typically around $49 lower.


Side-by-side vaporizer comparison including specs, pricing context, and decision guidance.
Hydrology9 and PAX 2 are both conduction / electronic vaporizers, but they target different priorities. PAX 2 is usually the lower-cost pick at $150, around $49 below Hydrology9. Heat-up speed is broadly similar between the two.
Specs Compared
15
Different Specs
13
Shared Specs
2
Overall Overlap
13%
Shared Traits
Quick snapshot of the specs people usually care about first.
Hydrology9
$199
PAX 2
$150
PAX 2 is typically around $49 lower.
Hydrology9
~1 minute
PAX 2
<60 seconds
Both devices are in a similar heat-up range.
Hydrology9
—
PAX 2
~90 grams
Weight is close enough that portability is likely similar.
Hydrology9
Conduction
PAX 2
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Hydrology9
$199
PAX 2
$150
Heat Up Time
Hydrology9
~1 minute
PAX 2
<60 seconds
Temperature Range
Hydrology9
250°F-430°F
PAX 2
182°C - 215°C (260°F - 420°F)
Chamber Capacity
Hydrology9
—
PAX 2
0.15 - 0.35 grams
Battery Capacity
Hydrology9
2000mAh
PAX 2
3000mAh
Charge Time
Hydrology9
~2 hours
PAX 2
—
Bluetooth / App
Hydrology9
—
PAX 2
Yes
Dimensions
Hydrology9
~4.5 x ~17.5cm
PAX 2
98mm x 31mm x 22mm
Weight
Hydrology9
—
PAX 2
~90 grams
Power Adjustment
Hydrology9
Modular - 5 stage
PAX 2
—
Direct comparison of shared and unique specifications from each device profile. (13 differences, 2 overlaps)
| Specification | Hydrology9 | PAX 2 |
|---|---|---|
| Price (USD) diff | $199 | $150 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time diff | ~1 minute | <60 seconds |
| Temperature Range diff | 250°F-430°F | 182°C - 215°C (260°F - 420°F) |
| Chamber Capacity diff | — | 0.15 - 0.35 grams |
| Battery Capacity diff | 2000mAh | 3000mAh |
| Charge Time diff | ~2 hours | — |
| Bluetooth / App diff | — | Yes |
| Dimensions diff | ~4.5 x ~17.5cm | 98mm x 31mm x 22mm |
| Weight diff | — | ~90 grams |
| Power Adjustment diff | Modular - 5 stage | — |
| Brand diff | Cloudious9 | PAX Labs |
| Chamber Size diff | ~0.5 grams | — |
| Cooling diff | Liquid | — |
Neither is universally better. Hydrology9 fits some priorities, while PAX 2 fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
PAX 2 is listed lower ($150) compared with Hydrology9 ($199), but live retailer pricing can change.
PAX 2 has the faster listed heat-up time (<60 seconds) versus Hydrology9 (~1 minute).
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.