Price (USD)
Close callFirefly 2+
$250
G Pen Hyer
$250
Pricing is very close between both devices.
Vaporizer Comparison
Firefly 2+
G Pen Hyer
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+ and G Pen Hyer are both portable / premium vaporizers, but they target different priorities. Their listed prices are close ($250 vs $250). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
18
Different Specs
17
Shared Specs
1
Overall Overlap
6%
Shared Traits
A quick snapshot of the specs people usually care about first.
Firefly 2+
$250
G Pen Hyer
$250
Pricing is very close between both devices.
Firefly 2+
~3 seconds
G Pen Hyer
—
Both devices are in a similar heat-up range.
Firefly 2+
—
G Pen Hyer
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Device Type
Firefly 2+
Portable
G Pen Hyer
—
Heating Type
Firefly 2+
—
G Pen Hyer
Conduction
Heat Up Time
Firefly 2+
~3 seconds
G Pen Hyer
—
Temperature Range
Firefly 2+
93°C - 260°C
G Pen Hyer
180°C - 220°C (356°F - 428°F)
Chamber Capacity
Firefly 2+
—
G Pen Hyer
~0.5g
Battery Capacity
Firefly 2+
770mAh
G Pen Hyer
6000mAh
Battery Life
Firefly 2+
<90 minutes
G Pen Hyer
—
Charging
Firefly 2+
—
G Pen Hyer
USB-C
Charge Time
Firefly 2+
~45 minutes
G Pen Hyer
2.5 - 3 hours
Pass-Through Charging
Firefly 2+
No
G Pen Hyer
—
Direct comparison of every spec from each device profile.
| Specification | Firefly 2+ | G Pen Hyer |
|---|---|---|
| Price (USD) | $250 | $250 |
| Device Type | Portable | — |
| Heating Type | — | Conduction |
| Heat Up Time | ~3 seconds | — |
| Temperature Range | 93°C - 260°C | 180°C - 220°C (356°F - 428°F) |
| Chamber Capacity | — | ~0.5g |
| Battery Capacity | 770mAh | 6000mAh |
| Battery Life | <90 minutes | — |
| Charging | — | USB-C |
| Charge Time | ~45 minutes | 2.5 - 3 hours |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | — |
| Power Adjustment | — | Digital Control - 5 Stage Modular |
| Brand | Firefly Vapor | Grenco Science |
| Chamber Type | Ceramic | — |
| Display Type | — | LED Light User Interface |
| Haptic Feedback | — | No |
| Heating Element | — | Stainless Steel |
There's no single headline gap. The differences are spread across 17 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Listed prices are close: $250 for the Firefly 2+ versus $250 for the G Pen Hyer. Day-to-day price will likely come down to whichever retailer is running a promotion.
Firefly 2+ fully charges in ~45 minutes, ahead of 2.5 - 3 hours on the G Pen Hyer.
G Pen Hyer covers 180°C - 220°C (356°F - 428°F), a wider band than the Firefly 2+ at 93°C - 260°C. A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Firefly 2+ is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.