Price (USD)
G Pen Pro edgeFirefly 2+
$250
G Pen Pro
$90
G Pen Pro is typically around $160 lower.
Vaporizer Comparison
Firefly 2+ vs G Pen Pro
Firefly 2+
VS
G Pen Pro
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
Firefly 2+ and G Pen Pro are both portable / convection vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $160 below Firefly 2+. Firefly 2+ has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
16
Different Specs
16
Shared Specs
0
Overall Overlap
0%
Shared Traits
Portable Convection 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
G Pen Pro
~30 seconds
Firefly 2+ has the quicker listed heat-up profile.
Heating Style
Close callFirefly 2+
—
G Pen Pro
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)
Firefly 2+
$250
vs
G Pen Pro
$90
Device Type
Firefly 2+
Portable
vs
G Pen Pro
—
Heating Type
Firefly 2+
—
vs
G Pen Pro
Convection
Heat Up Time
Firefly 2+
~3 seconds
vs
G Pen Pro
~30 seconds
Temperature Range
Firefly 2+
93°C - 260°C
vs
G Pen Pro
190°C - 220°C (375°F - 428°F)
Chamber Capacity
Firefly 2+
—
vs
G Pen Pro
~0.25 grams
Battery Capacity
Firefly 2+
770mAh
vs
G Pen Pro
2200mAh
Battery Life
Firefly 2+
<90 minutes
vs
G Pen Pro
—
Charging
Firefly 2+
—
vs
G Pen Pro
Micro-USB
Charge Time
Firefly 2+
~45 minutes
vs
G Pen Pro
<3 hours
Choose Firefly 2+ if...
- You care about faster heat-up time for quicker sessions.
- You prefer a — heating profile.
- Your usage leans toward premium and battery swap sessions.
Choose G Pen Pro if...
- You want the lower listed entry price ($90 vs $250).
- You prefer a convection heating profile.
- Your usage leans toward budget sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
16 differ 0 shared
| Specification | Firefly 2+ | G Pen Pro |
|---|---|---|
| Price (USD) | $250 | $90 |
| Device Type | Portable | — |
| Heating Type | — | Convection |
| Heat Up Time | ~3 seconds | ~30 seconds |
| Temperature Range | 93°C - 260°C | 190°C - 220°C (375°F - 428°F) |
| Chamber Capacity | — | ~0.25 grams |
| Battery Capacity | 770mAh | 2200mAh |
| Battery Life | <90 minutes | — |
| Charging | — | Micro-USB |
| Charge Time | ~45 minutes | <3 hours |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | — |
| Power Adjustment | — | Modular - 3 Stages |
| Brand | Firefly Vapor | Grenco Science |
| Chamber Material | — | Ceramic |
| Chamber Type | Ceramic | — |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the G Pen Pro?
The biggest practical difference is price tier: the G Pen Pro sits at $90 while the Firefly 2+ is $250, a gap of about $160 that puts them in different buying brackets.
Which is cheaper, the Firefly 2+ or the G Pen Pro?
G Pen Pro is the cheaper option at $90 compared with $250 for the Firefly 2+, about $160 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Firefly 2+ or the G Pen Pro?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the G Pen Pro takes ~30 seconds. That's roughly 27 seconds quicker on the Firefly 2+, which is useful if you want shorter, on-demand sessions.
Which charges faster, the Firefly 2+ or the G Pen Pro?
Firefly 2+ fully charges in ~45 minutes, ahead of <3 hours on the G Pen Pro.
Which has a wider temperature range, the Firefly 2+ or the G Pen Pro?
G Pen Pro covers 190°C - 220°C (375°F - 428°F), a wider band than the Firefly 2+ at 93°C - 260°C. A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Is the Firefly 2+ or the G Pen Pro better for microdosing?
Firefly 2+ is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Need a different matchup?
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