Price (USD)
RiO edgePAX FOUR
$250
RiO
$150
RiO is typically around $100 lower.
Vaporizer Comparison
PAX FOUR vs RiO
Side-by-side specs, pricing context, and clear decision guidance.
PAX FOUR
PAX Labs $250
VS
RiO
Stache $150
Editorial Summary
PAX FOUR and RiO are both portable vaporizers, but they target different priorities. RiO is usually the lower-cost pick at $150, around $100 below PAX FOUR. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
22
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
PAX FOUR edgePAX FOUR
125 grams
RiO
~522g
PAX FOUR is the lighter listed unit.
Heating Style
Close callPAX FOUR
Hybrid (conduction and convection)
RiO
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)
PAX FOUR
$250
RiO
$150
Heating Type
PAX FOUR
Hybrid (conduction and convection)
RiO
Conduction
Temperature Range
PAX FOUR
190-220°C (374-428°F)
RiO
N/A
Chamber Capacity
PAX FOUR
~0.3g
RiO
N/A
Battery Type
PAX FOUR
Internal lithium-ion
RiO
N/A
Charging
PAX FOUR
USB-C
RiO
N/A
Weight
PAX FOUR
125 grams
RiO
~522g
Power Adjustment
PAX FOUR
Four preset heat modes (purple, green, yellow, orange)
RiO
Manual
Chamber Material
PAX FOUR
Stainless steel
RiO
Glass
Concentrate Support
PAX FOUR
No (not compatible with the PAX Concentrate Insert)
RiO
Yes
Choose PAX FOUR if...
- You want the lighter unit for carrying and travel.
- You prefer a hybrid (conduction and convection) heating profile.
- Your usage leans toward hybrid and electronic sessions.
Typical price
$250
Sold by The Stash Shack
Choose RiO if...
- You want the lower listed entry price ($150 vs $250).
- You prefer a conduction heating profile.
- Your usage leans toward concentrates and conduction sessions.
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.
22 differ 1 shared
| Specification | PAX FOUR | RiO |
|---|---|---|
| Price (USD) | $250 | $150 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid (conduction and convection) | Conduction |
| Heat Up Time | 55-70 seconds | — |
| Temperature Range | 190-220°C (374-428°F) | N/A |
| Chamber Capacity | ~0.3g | N/A |
| Battery Type | Internal lithium-ion | N/A |
| Battery Capacity | 2800mAh | — |
| Battery Life | Up to 5 sessions, about 50 minutes of run time | — |
| Charging | USB-C | N/A |
| Charge Time | ~90 minutes | — |
| Dimensions | 108 x 36 x 29mm | — |
| Weight | 125 grams | ~522g |
| Power Adjustment | Four preset heat modes (purple, green, yellow, orange) | Manual |
| Chamber Material | Stainless steel | Glass |
| Concentrate Support | No (not compatible with the PAX Concentrate Insert) | Yes |
| Brand | PAX Labs | Stache |
| Adjustable Airflow | No (flat and raised mouthpieces change the draw) | — |
| Display Type | LED petals | — |
| Manufacturer | PAX Labs, Inc (model X410) | — |
| Release Date | 2026 | — |
| Session Style | Session | — |
| Warranty | 2 years, plus 1 year when registered within 30 days | 1 year |
Comparison FAQs
What is the biggest difference between the PAX FOUR and the RiO?
The biggest practical difference is price tier: the RiO sits at $150 while the PAX FOUR is $250, a gap of about $100 that puts them in different buying brackets.
Which is cheaper, the PAX FOUR or the RiO?
RiO is the cheaper option at $150 compared with $250 for the PAX FOUR, about $100 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the PAX FOUR and the RiO?
PAX FOUR uses hybrid (conduction and convection) heating, while the RiO uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the PAX FOUR or the RiO?
PAX FOUR is the lighter unit at 125 grams, around 397g less than the RiO at ~522g. The lighter device is easier to carry and pocket day-to-day.
Can I use concentrates with the PAX FOUR or the RiO?
Only the RiO supports concentrates out of the box. The PAX FOUR is dry-herb-only by design.
Can I set custom temperatures on the PAX FOUR or the RiO?
PAX FOUR controls heat with four preset heat modes (purple, green, yellow, orange), while the RiO uses manual. Both let you change temperature, just with different levels of precision.
How much flower do the PAX FOUR and RiO hold?
PAX FOUR lists a chamber capacity of ~0.3g; the RiO lists N/A.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.