Price (USD)
G Pen Dash edgeFirefly 2+
$250
G Pen Dash
$70
G Pen Dash is typically around $180 lower.
Vaporizer Comparison
Firefly 2+ vs G Pen Dash
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
G Pen Dash
Grenco Science from $89.95
Editorial Summary
Firefly 2+ and G Pen Dash are both portable / electronic vaporizers, but they target different priorities. G Pen Dash is usually the lower-cost pick at $70, around $180 below Firefly 2+. Firefly 2+ has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
22
Shared Specs
1
Overall Overlap
4%
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 Dash
~20 seconds
Firefly 2+ has the quicker listed heat-up profile.
Heating Style
Close callFirefly 2+
Convection
G Pen Dash
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 Dash
$70
Heating Type
Firefly 2+
Convection
G Pen Dash
Conduction
Heat Up Time
Firefly 2+
~3 seconds
G Pen Dash
~20 seconds
Temperature Range
Firefly 2+
93°C - 260°C
G Pen Dash
190°C - 220°C (375°F - 428°F)
Chamber Capacity
Firefly 2+
~0.15g
G Pen Dash
0.25 grams
Battery Type
Firefly 2+
Removable (proprietary)
G Pen Dash
Internal
Battery Capacity
Firefly 2+
770mAh
G Pen Dash
950mAh
Charging
Firefly 2+
Proprietary Dock
G Pen Dash
Micro-USB
Charge Time
Firefly 2+
~45 minutes
G Pen Dash
1-2 hours
Pass-Through Charging
Firefly 2+
No
G Pen Dash
Yes
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 Dash if...
- You want the lower listed entry price ($70 vs $250).
- You prefer a conduction heating profile.
- Your usage leans toward discrete and budget sessions.
Lowest price
$89.95
at Slick Vapes
Prices are read automatically from retailer pages and were last checked Aug 27, 2026; 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.
22 differ 1 shared
| Specification | Firefly 2+ | G Pen Dash |
|---|---|---|
| Price (USD) | $250 | $70 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | ~20 seconds |
| Temperature Range | 93°C - 260°C | 190°C - 220°C (375°F - 428°F) |
| Chamber Capacity | ~0.15g | 0.25 grams |
| Battery Type | Removable (proprietary) | Internal |
| Battery Capacity | 770mAh | 950mAh |
| Battery Life | <90 minutes | — |
| Charging | Proprietary Dock | Micro-USB |
| Charge Time | ~45 minutes | 1-2 hours |
| Pass-Through Charging | No | Yes |
| Dimensions | 129x36x24mm | — |
| Height | — | 3.6 inches |
| Weight | ~140g | — |
| Power Adjustment | Digital (precise) | Modular - 3 Stage |
| Chamber Material | Glass | Glass & Stainless Steel |
| Brand | Firefly Vapor | Grenco Science |
| Chamber Type | Ceramic | — |
| Haptic Feedback | — | Yes |
| Release Date | 2019 | 2020 |
| Session Style | On-Demand | Session |
| Warranty | 2 years | 1 year |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the G Pen Dash?
The biggest practical difference is price tier: the G Pen Dash sits at $70 while the Firefly 2+ is $250, a gap of about $180 that puts them in different buying brackets.
Which is cheaper, the Firefly 2+ or the G Pen Dash?
G Pen Dash is the cheaper option at $70 compared with $250 for the Firefly 2+, about $180 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Firefly 2+ or the G Pen Dash?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the G Pen Dash takes ~20 seconds. That's roughly 17 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 Dash?
Firefly 2+ uses convection heating, while the G Pen Dash 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 Dash hold more flower?
G Pen Dash has the larger chamber at 0.25 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.
Can I use the G Pen Dash while charging?
Yes, only the G Pen Dash supports pass-through charging. The Firefly 2+ has to finish charging before you can use it.
Can I swap the batteries on the Firefly 2+ or the G Pen Dash?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The G Pen Dash 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.