Price (USD)
Close callFirefly 2+
$250
PAX 3
$250
Pricing is very close between both devices.
Vaporizer Comparison
Firefly 2+ vs PAX 3
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
PAX 3
PAX Labs $250
Editorial Summary
Firefly 2+ and PAX 3 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
23
Different Specs
19
Shared Specs
4
Overall Overlap
17%
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 3
<30 seconds
Firefly 2+ has the quicker listed heat-up profile.
Weight
PAX 3 edgeFirefly 2+
~140g
PAX 3
~93 grams
PAX 3 is the lighter listed unit.
Heating Style
Close callFirefly 2+
Convection
PAX 3
Conduction
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 3
Conduction
Heat Up Time
Firefly 2+
~3 seconds
PAX 3
<30 seconds
Temperature Range
Firefly 2+
93°C - 260°C
PAX 3
182°C - 215°C (260°F - 420°F)
Chamber Capacity
Firefly 2+
~0.15g
PAX 3
<0.35 grams
Battery Type
Firefly 2+
Removable (proprietary)
PAX 3
Internal 18650
Battery Capacity
Firefly 2+
770mAh
PAX 3
3500mAh
Charge Time
Firefly 2+
~45 minutes
PAX 3
~90 minutes
Dimensions
Firefly 2+
129x36x24mm
PAX 3
98mm x 31mm x 22mm
Weight
Firefly 2+
~140g
PAX 3
~93 grams
Power Adjustment
Firefly 2+
Digital (precise)
PAX 3
Modular - 4 stages
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.
Choose PAX 3 if...
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward conduction and concentrates sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
19 differ 4 shared
| Specification | Firefly 2+ | PAX 3 |
|---|---|---|
| Price (USD) | $250 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | <30 seconds |
| Temperature Range | 93°C - 260°C | 182°C - 215°C (260°F - 420°F) |
| Chamber Capacity | ~0.15g | <0.35 grams |
| Battery Type | Removable (proprietary) | Internal 18650 |
| Battery Capacity | 770mAh | 3500mAh |
| Battery Life | <90 minutes | ~90 minutes |
| Charging | Proprietary Dock | Proprietary Dock |
| Charge Time | ~45 minutes | ~90 minutes |
| Pass-Through Charging | No | — |
| Bluetooth / App | — | Yes |
| Dimensions | 129x36x24mm | 98mm x 31mm x 22mm |
| Weight | ~140g | ~93 grams |
| Power Adjustment | Digital (precise) | Modular - 4 stages |
| Chamber Material | Glass | Stainless Steel |
| Concentrate Support | — | Yes |
| Brand | Firefly Vapor | PAX Labs |
| Chamber Type | Ceramic | — |
| Release Date | 2019 | 2016 |
| Session Style | On-Demand | — |
| Warranty | 2 years | 10 years |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the PAX 3?
The biggest practical difference is heating approach: Firefly 2+ runs convection while PAX 3 runs conduction. 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 3?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the PAX 3 takes <30 seconds. That's roughly 27 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 3?
Firefly 2+ uses convection heating, while the PAX 3 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Firefly 2+ or the PAX 3 hold more flower?
PAX 3 has the larger chamber at <0.35 grams, 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 3?
PAX 3 is the lighter unit at ~93 grams, around 47g less than the Firefly 2+ at ~140g. The lighter device is easier to carry and pocket day-to-day.
Which is cheaper, the Firefly 2+ or the PAX 3?
Listed prices are close: $250 for the Firefly 2+ versus $250 for the PAX 3. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I swap the batteries on the Firefly 2+ or the PAX 3?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The PAX 3 has a built-in battery you can't swap on the go.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.