Price (USD)
Close callFirefly 2+
$250
PAX FOUR
$250
Pricing is very close between both devices.
Vaporizer Comparison
Firefly 2+ vs PAX FOUR
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
PAX FOUR
PAX Labs $250
Editorial Summary
Firefly 2+ and PAX FOUR are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($250 vs $250). Firefly 2+ has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
25
Different Specs
23
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
Firefly 2+ edgeFirefly 2+
~3 seconds
PAX FOUR
55-70 seconds
Firefly 2+ has the quicker listed heat-up profile.
Weight
PAX FOUR edgeFirefly 2+
~140g
PAX FOUR
125 grams
PAX FOUR is the lighter listed unit.
Heating Style
Close callFirefly 2+
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.
Heating Type
Firefly 2+
Convection
PAX FOUR
Hybrid (conduction and convection)
Heat Up Time
Firefly 2+
~3 seconds
PAX FOUR
55-70 seconds
Temperature Range
Firefly 2+
93°C - 260°C
PAX FOUR
190-220°C (374-428°F)
Chamber Capacity
Firefly 2+
~0.15g
PAX FOUR
~0.3g
Battery Type
Firefly 2+
Removable (proprietary)
PAX FOUR
Internal lithium-ion
Battery Capacity
Firefly 2+
770mAh
PAX FOUR
2800mAh
Battery Life
Firefly 2+
<90 minutes
PAX FOUR
Up to 5 sessions, about 50 minutes of run time
Charging
Firefly 2+
Proprietary Dock
PAX FOUR
USB-C
Charge Time
Firefly 2+
~45 minutes
PAX FOUR
~90 minutes
Dimensions
Firefly 2+
129x36x24mm
PAX FOUR
108 x 36 x 29mm
Choose Firefly 2+ if...
- You care about faster heat-up time for quicker sessions.
- You prefer a convection heating profile.
- Your usage leans toward premium and battery swap sessions.
Typical price
$250
Sold by The Stash Shack
Choose PAX FOUR if...
- You prefer a hybrid (conduction and convection) heating profile.
- Your usage leans toward hybrid and discrete sessions.
- You prefer PAX FOUR's overall feature mix and form factor.
Typical price
$250
Sold by The Stash Shack
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.
23 differ 2 shared
| Specification | Firefly 2+ | PAX FOUR |
|---|---|---|
| Price (USD) | $250 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Hybrid (conduction and convection) |
| Heat Up Time | ~3 seconds | 55-70 seconds |
| Temperature Range | 93°C - 260°C | 190-220°C (374-428°F) |
| Chamber Capacity | ~0.15g | ~0.3g |
| Battery Type | Removable (proprietary) | Internal lithium-ion |
| Battery Capacity | 770mAh | 2800mAh |
| Battery Life | <90 minutes | Up to 5 sessions, about 50 minutes of run time |
| Charging | Proprietary Dock | USB-C |
| Charge Time | ~45 minutes | ~90 minutes |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | 108 x 36 x 29mm |
| Weight | ~140g | 125 grams |
| Power Adjustment | Digital (precise) | Four preset heat modes (purple, green, yellow, orange) |
| Chamber Material | Glass | Stainless steel |
| Concentrate Support | — | No (not compatible with the PAX Concentrate Insert) |
| Brand | Firefly Vapor | PAX Labs |
| Adjustable Airflow | — | No (flat and raised mouthpieces change the draw) |
| Chamber Type | Ceramic | — |
| Display Type | — | LED petals |
| Manufacturer | — | PAX Labs, Inc (model X410) |
| Release Date | 2019 | 2026 |
| Session Style | On-Demand | Session |
| Warranty | 2 years | 2 years, plus 1 year when registered within 30 days |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the PAX FOUR?
The biggest practical difference is heating approach: Firefly 2+ runs convection while PAX FOUR runs hybrid (conduction and convection). That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which heats up faster, the Firefly 2+ or the PAX FOUR?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the PAX FOUR takes 55-70 seconds. That's roughly 60 seconds quicker on the Firefly 2+, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Firefly 2+ and the PAX FOUR?
Firefly 2+ 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.
Does the Firefly 2+ or the PAX FOUR hold more flower?
PAX FOUR has the larger chamber at ~0.3g, versus ~0.15g on the Firefly 2+. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Firefly 2+ or the PAX FOUR?
PAX FOUR is the lighter unit at 125 grams, around 15g less than the Firefly 2+ at ~140g. The lighter device is easier to carry and pocket day-to-day.
Which has better battery life, the Firefly 2+ or the PAX FOUR?
Firefly 2+ is rated for <90 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.
Which is cheaper, the Firefly 2+ or the PAX FOUR?
Listed prices are close: $250 for the Firefly 2+ versus $250 for the PAX FOUR. Day-to-day price will likely come down to whichever retailer is running a promotion.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.