Price (USD)
G Pen Elite edgeFirefly 2+
$250
G Pen Elite
$120
G Pen Elite is typically around $130 lower.
Vaporizer Comparison
Firefly 2+ vs G Pen Elite
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
G Pen Elite
Grenco Science $120
Editorial Summary
Firefly 2+ and G Pen Elite are both portable / electronic vaporizers, but they target different priorities. G Pen Elite is usually the lower-cost pick at $120, around $130 below Firefly 2+. Firefly 2+ has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
22
Different Specs
21
Shared Specs
1
Overall Overlap
5%
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
G Pen Elite
~30 seconds
Firefly 2+ has the quicker listed heat-up profile.
Weight
G Pen Elite edgeFirefly 2+
~140g
G Pen Elite
~90 grams
G Pen Elite is the lighter listed unit.
Heating Style
Close callFirefly 2+
Convection
G Pen Elite
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)
Firefly 2+
$250
G Pen Elite
$120
Heating Type
Firefly 2+
Convection
G Pen Elite
Conduction
Heat Up Time
Firefly 2+
~3 seconds
G Pen Elite
~30 seconds
Temperature Range
Firefly 2+
93°C - 260°C
G Pen Elite
93°C - 220°C (200°F - 428°F)
Chamber Capacity
Firefly 2+
~0.15g
G Pen Elite
~0.25 - 0.75 grams
Battery Type
Firefly 2+
Removable (proprietary)
G Pen Elite
Internal
Battery Capacity
Firefly 2+
770mAh
G Pen Elite
2200mAh
Battery Life
Firefly 2+
<90 minutes
G Pen Elite
12-15 sessions
Charging
Firefly 2+
Proprietary Dock
G Pen Elite
Micro-USB
Charge Time
Firefly 2+
~45 minutes
G Pen Elite
<3 hours
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 G Pen Elite if...
- You want the lower listed entry price ($120 vs $250).
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward conduction and ceramic chamber sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
21 differ 1 shared
| Specification | Firefly 2+ | G Pen Elite |
|---|---|---|
| Price (USD) | $250 | $120 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | ~30 seconds |
| Temperature Range | 93°C - 260°C | 93°C - 220°C (200°F - 428°F) |
| Chamber Capacity | ~0.15g | ~0.25 - 0.75 grams |
| Battery Type | Removable (proprietary) | Internal |
| Battery Capacity | 770mAh | 2200mAh |
| Battery Life | <90 minutes | 12-15 sessions |
| Charging | Proprietary Dock | Micro-USB |
| Charge Time | ~45 minutes | <3 hours |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | 11.2cm x 3cm x 2.3cm |
| Weight | ~140g | ~90 grams |
| Power Adjustment | Digital (precise) | Digital Control |
| Chamber Material | Glass | Ceramic |
| Brand | Firefly Vapor | Grenco Science |
| Chamber Type | Ceramic | — |
| Display Type | — | LED |
| Release Date | 2019 | 2016 |
| Session Style | On-Demand | — |
| Warranty | 2 years | 1 year |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the G Pen Elite?
The biggest practical difference is price tier: the G Pen Elite sits at $120 while the Firefly 2+ is $250, a gap of about $130 that puts them in different buying brackets.
Which is cheaper, the Firefly 2+ or the G Pen Elite?
G Pen Elite is the cheaper option at $120 compared with $250 for the Firefly 2+, about $130 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Firefly 2+ or the G Pen Elite?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the G Pen Elite 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 G Pen Elite?
Firefly 2+ uses convection heating, while the G Pen Elite uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Firefly 2+ or the G Pen Elite hold more flower?
G Pen Elite has the larger chamber at ~0.25 - 0.75 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 G Pen Elite?
G Pen Elite is the lighter unit at ~90 grams, around 50g less than the Firefly 2+ at ~140g. The lighter device is easier to carry and pocket day-to-day.
Can I swap the batteries on the Firefly 2+ or the G Pen Elite?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The G Pen Elite 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.