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 $70
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.
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.
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.