Price (USD)
G Pen Hyer edgeFirefly 2+
$250
G Pen Hyer
$150
G Pen Hyer is typically around $100 lower.
Vaporizer Comparison
Firefly 2+ vs G Pen Hyer
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
G Pen Hyer
Grenco Science from $249.99
Editorial Summary
Firefly 2+ and G Pen Hyer are both portable / premium vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $100 below Firefly 2+. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
25
Different Specs
24
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable Premium Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callFirefly 2+
Convection
G Pen Hyer
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 Hyer
$150
Heating Type
Firefly 2+
Convection
G Pen Hyer
Conduction
Temperature Range
Firefly 2+
93°C - 260°C
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
Chamber Capacity
Firefly 2+
~0.15g
G Pen Hyer
~0.5g
Battery Type
Firefly 2+
Removable (proprietary)
G Pen Hyer
External Battery Pack
Battery Capacity
Firefly 2+
770mAh
G Pen Hyer
6000mAh
Charging
Firefly 2+
Proprietary Dock
G Pen Hyer
USB-C
Charge Time
Firefly 2+
~45 minutes
G Pen Hyer
2.5 - 3 hours
Power Adjustment
Firefly 2+
Digital (precise)
G Pen Hyer
Digital Control - 5 Stage Modular
Chamber Material
Firefly 2+
Glass
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
Choose Firefly 2+ if...
- You prefer a convection heating profile.
- Your usage leans toward battery swap and convection sessions.
- You prefer Firefly 2+'s overall feature mix and form factor.
Typical price
$250
Sold by To the Cloud Vapor Store
Choose G Pen Hyer if...
- You want the lower listed entry price ($150 vs $250).
- You prefer a conduction heating profile.
- Your usage leans toward conduction and concentrates sessions.
Current price
$249.99
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.
24 differ 1 shared
| Specification | Firefly 2+ | G Pen Hyer |
|---|---|---|
| Price (USD) | $250 | $150 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | — |
| Temperature Range | 93°C - 260°C | 180°C - 220°C dry herb, 250°C - 450°C concentrate |
| Chamber Capacity | ~0.15g | ~0.5g |
| Battery Type | Removable (proprietary) | External Battery Pack |
| Battery Capacity | 770mAh | 6000mAh |
| Battery Life | <90 minutes | — |
| Charging | Proprietary Dock | USB-C |
| Charge Time | ~45 minutes | 2.5 - 3 hours |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | — |
| Weight | ~140g | — |
| Power Adjustment | Digital (precise) | Digital Control - 5 Stage Modular |
| Chamber Material | Glass | Ceramic (dry herb tank), Quartz (concentrate tank) |
| Concentrate Support | — | Yes |
| Brand | Firefly Vapor | Grenco Science |
| Chamber Type | Ceramic | — |
| Display Type | — | LED Light User Interface |
| Haptic Feedback | — | No |
| Heating Element | — | Stainless Steel |
| Release Date | 2019 | 2022 |
| Session Style | On-Demand | Session |
| Warranty | 2 years | — |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the G Pen Hyer?
The biggest practical difference is price tier: the G Pen Hyer sits at $150 while the Firefly 2+ is $250, a gap of about $100 that puts them in different buying brackets.
Which is cheaper, the Firefly 2+ or the G Pen Hyer?
G Pen Hyer is the cheaper option at $150 compared with $250 for the Firefly 2+, about $100 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Firefly 2+ and the G Pen Hyer?
Firefly 2+ uses convection heating, while the G Pen Hyer 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 Hyer hold more flower?
G Pen Hyer has the larger chamber at ~0.5g, 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 swap the batteries on the Firefly 2+ or the G Pen Hyer?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The G Pen Hyer has a built-in battery you can't swap on the go.
Which charges faster, the Firefly 2+ or the G Pen Hyer?
Firefly 2+ fully charges in ~45 minutes, ahead of 2.5 - 3 hours on the G Pen Hyer.
Which has a wider temperature range, the Firefly 2+ or the G Pen Hyer?
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, 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.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.