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.
Typical price
$250
Sold by The Stash Shack
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.
Typical price
$120
Sold by Headshop.com
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.
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 3.2cm x 2.6cm |
| 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.