Price (USD)
FENiX 2.0 edgeFENiX 2.0
$129
PAX FOUR
$250
FENiX 2.0 is typically around $121 lower.
Vaporizer Comparison
FENiX 2.0 vs PAX FOUR
Side-by-side specs, pricing context, and clear decision guidance.
FENiX 2.0
FENiX $129
VS
PAX FOUR
PAX Labs $250
Editorial Summary
FENiX 2.0 and PAX FOUR are both portable / electronic vaporizers, but they target different priorities. FENiX 2.0 is usually the lower-cost pick at $129, around $121 below PAX FOUR. FENiX 2.0 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
24
Different Specs
22
Shared Specs
2
Overall Overlap
8%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
FENiX 2.0 edgeFENiX 2.0
<30 seconds
PAX FOUR
55-70 seconds
FENiX 2.0 has the quicker listed heat-up profile.
Weight
PAX FOUR edgeFENiX 2.0
~232 grams
PAX FOUR
125 grams
PAX FOUR is the lighter listed unit.
Heating Style
Close callFENiX 2.0
Convection
PAX FOUR
Hybrid (conduction and convection)
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
FENiX 2.0
$129
PAX FOUR
$250
Heating Type
FENiX 2.0
Convection
PAX FOUR
Hybrid (conduction and convection)
Heat Up Time
FENiX 2.0
<30 seconds
PAX FOUR
55-70 seconds
Temperature Range
FENiX 2.0
160°C - 221°C (320°F - 430°F)
PAX FOUR
190-220°C (374-428°F)
Battery Type
FENiX 2.0
Internal
PAX FOUR
Internal lithium-ion
Battery Capacity
FENiX 2.0
4400 mAh
PAX FOUR
2800mAh
Battery Life
FENiX 2.0
~75 minutes
PAX FOUR
Up to 5 sessions, about 50 minutes of run time
Charging
FENiX 2.0
Micro USB
PAX FOUR
USB-C
Charge Time
FENiX 2.0
2.5 hours
PAX FOUR
~90 minutes
Dimensions
FENiX 2.0
110x60x30mm
PAX FOUR
108 x 36 x 29mm
Choose FENiX 2.0 if...
- You want the lower listed entry price ($129 vs $250).
- You care about faster heat-up time for quicker sessions.
- You prefer a convection heating profile.
- Your usage leans toward convection sessions.
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 discrete sessions.
Typical price
$250
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Spec Comparison Table
Direct comparison of every spec from each device profile.
22 differ 2 shared
| Specification | FENiX 2.0 | PAX FOUR |
|---|---|---|
| Price (USD) | $129 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Hybrid (conduction and convection) |
| Heat Up Time | <30 seconds | 55-70 seconds |
| Temperature Range | 160°C - 221°C (320°F - 430°F) | 190-220°C (374-428°F) |
| Chamber Capacity | — | ~0.3g |
| Battery Type | Internal | Internal lithium-ion |
| Battery Capacity | 4400 mAh | 2800mAh |
| Battery Life | ~75 minutes | Up to 5 sessions, about 50 minutes of run time |
| Charging | Micro USB | USB-C |
| Charge Time | 2.5 hours | ~90 minutes |
| Dimensions | 110x60x30mm | 108 x 36 x 29mm |
| Weight | ~232 grams | 125 grams |
| Power Adjustment | Digital (precise) | Four preset heat modes (purple, green, yellow, orange) |
| Chamber Material | Removable titanium | Stainless steel |
| Concentrate Support | — | No (not compatible with the PAX Concentrate Insert) |
| Brand | FENiX | PAX Labs |
| Adjustable Airflow | — | No (flat and raised mouthpieces change the draw) |
| Country of Manufacture | China | — |
| Display Type | 0.95 inch OLED | LED petals |
| Manufacturer | South Reed Technology Co | PAX Labs, Inc (model X410) |
| Release Date | 2016 | 2026 |
| Session Style | Session | Session |
| Warranty | 1 year | 2 years, plus 1 year when registered within 30 days |
Comparison FAQs
What is the biggest difference between the FENiX 2.0 and the PAX FOUR?
The biggest practical difference is price tier: the FENiX 2.0 sits at $129 while the PAX FOUR is $250, a gap of about $121 that puts them in different buying brackets.
Which is cheaper, the FENiX 2.0 or the PAX FOUR?
FENiX 2.0 is the cheaper option at $129 compared with $250 for the PAX FOUR, about $121 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the FENiX 2.0 or the PAX FOUR?
FENiX 2.0 reaches session-ready temperature in <30 seconds, while the PAX FOUR takes 55-70 seconds. That's roughly 33 seconds quicker on the FENiX 2.0, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the FENiX 2.0 and the PAX FOUR?
FENiX 2.0 uses convection heating, while the PAX FOUR uses hybrid (conduction and convection). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the FENiX 2.0 or the PAX FOUR?
PAX FOUR is the lighter unit at 125 grams, around 107g less than the FENiX 2.0 at ~232 grams. The lighter device is easier to carry and pocket day-to-day.
Which has better battery life, the FENiX 2.0 or the PAX FOUR?
FENiX 2.0 is rated for ~75 minutes, ahead of Up to 5 sessions, about 50 minutes of run time on the PAX FOUR. Real-world battery life depends on how high you set the temperature and how long sessions run.
Can I set custom temperatures on the FENiX 2.0 or the PAX FOUR?
FENiX 2.0 controls heat with digital (precise), while the PAX FOUR uses four preset heat modes (purple, green, yellow, orange). FENiX 2.0 gives you finer per-degree control.
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