Price (USD)
G Pen Pro edgeFirefly 2+
$250
G Pen Pro
$90
G Pen Pro is typically around $160 lower.


Side-by-side vaporizer comparison including specs, pricing context, and decision guidance.
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
Quick snapshot of the specs people usually care about first.
Firefly 2+
$250
G Pen Pro
$90
G Pen Pro is typically around $160 lower.
Firefly 2+
~3 seconds
G Pen Pro
~30 seconds
Firefly 2+ has the quicker listed heat-up profile.
Firefly 2+
—
G Pen Pro
Convection
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Firefly 2+
$250
G Pen Pro
$90
Device Type
Firefly 2+
Portable
G Pen Pro
—
Heating Type
Firefly 2+
—
G Pen Pro
Convection
Heat Up Time
Firefly 2+
~3 seconds
G Pen Pro
~30 seconds
Temperature Range
Firefly 2+
93°C - 260°C
G Pen Pro
190°C - 220°C (375°F - 428°F)
Chamber Capacity
Firefly 2+
—
G Pen Pro
~0.25 grams
Battery Capacity
Firefly 2+
770mAh
G Pen Pro
2200mAh
Battery Life
Firefly 2+
<90 minutes
G Pen Pro
—
Charging
Firefly 2+
—
G Pen Pro
Micro-USB
Charge Time
Firefly 2+
~45 minutes
G Pen Pro
<3 hours
Direct comparison of shared and unique specifications from each device profile. (16 differences, 0 overlaps)
| Specification | Firefly 2+ | G Pen Pro |
|---|---|---|
| Price (USD) diff | $250 | $90 |
| Device Type diff | Portable | — |
| Heating Type diff | — | Convection |
| Heat Up Time diff | ~3 seconds | ~30 seconds |
| Temperature Range diff | 93°C - 260°C | 190°C - 220°C (375°F - 428°F) |
| Chamber Capacity diff | — | ~0.25 grams |
| Battery Capacity diff | 770mAh | 2200mAh |
| Battery Life diff | <90 minutes | — |
| Charging diff | — | Micro-USB |
| Charge Time diff | ~45 minutes | <3 hours |
| Pass-Through Charging diff | No | — |
| Dimensions diff | 129x36x24mm | — |
| Power Adjustment diff | — | Modular - 3 Stages |
| Brand diff | Firefly Vapor | Grenco Science |
| Chamber Material diff | — | Ceramic |
| Chamber Type diff | Ceramic | — |
Neither is universally better. Firefly 2+ fits some priorities, while G Pen Pro fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
G Pen Pro is listed lower ($90) compared with Firefly 2+ ($250), but live retailer pricing can change.
Firefly 2+ has the faster listed heat-up time (~3 seconds) versus G Pen Pro (~30 seconds).
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.