Price (USD)
Zeus Arc GT edgeFirefly 2+
$250
Zeus Arc GT
$180
Zeus Arc GT is typically around $70 lower.
Vaporizer Comparison
Firefly 2+ vs Zeus Arc GT
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
Zeus Arc GT
Zeus Arsenal $180
Editorial Summary
Firefly 2+ and Zeus Arc GT are both portable / electronic vaporizers, but they target different priorities. Zeus Arc GT is usually the lower-cost pick at $180, around $70 below Firefly 2+. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
21
Different Specs
19
Shared Specs
2
Overall Overlap
10%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
Zeus Arc GT edgeFirefly 2+
~140g
Zeus Arc GT
~125g
Zeus Arc GT is the lighter listed unit.
Heating Style
Close callFirefly 2+
Convection
Zeus Arc GT
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
Zeus Arc GT
$180
Heating Type
Firefly 2+
Convection
Zeus Arc GT
Conduction
Temperature Range
Firefly 2+
93°C - 260°C
Zeus Arc GT
401°F - 437°F
Chamber Capacity
Firefly 2+
~0.15g
Zeus Arc GT
~0.3 grams
Battery Type
Firefly 2+
Removable (proprietary)
Zeus Arc GT
Internal
Battery Capacity
Firefly 2+
770mAh
Zeus Arc GT
3500mAh
Charging
Firefly 2+
Proprietary Dock
Zeus Arc GT
Micro USB
Dimensions
Firefly 2+
129x36x24mm
Zeus Arc GT
86x42x22mm
Weight
Firefly 2+
~140g
Zeus Arc GT
~125g
Power Adjustment
Firefly 2+
Digital (precise)
Zeus Arc GT
Modular - 3 Stages
Choose Firefly 2+ if...
- You prefer a convection heating profile.
- Your usage leans toward premium and battery swap sessions.
- You prefer Firefly 2+'s overall feature mix and form factor.
Typical price
$250
Sold by The Stash Shack
Choose Zeus Arc GT if...
- You want the lower listed entry price ($180 vs $250).
- You prefer a conduction heating profile.
- Your usage leans toward conduction sessions.
Prices are read automatically from retailer pages; 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.
19 differ 2 shared
| Specification | Firefly 2+ | Zeus Arc GT |
|---|---|---|
| Price (USD) | $250 | $180 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | — |
| Temperature Range | 93°C - 260°C | 401°F - 437°F |
| Chamber Capacity | ~0.15g | ~0.3 grams |
| Battery Type | Removable (proprietary) | Internal |
| Battery Capacity | 770mAh | 3500mAh |
| Battery Life | <90 minutes | ~90 minutes |
| Charging | Proprietary Dock | Micro USB |
| Charge Time | ~45 minutes | — |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | 86x42x22mm |
| Weight | ~140g | ~125g |
| Power Adjustment | Digital (precise) | Modular - 3 Stages |
| Chamber Material | Glass | Gold-Plated |
| Brand | Firefly Vapor | Zeus Arsenal |
| Chamber Type | Ceramic | — |
| Release Date | 2019 | 2018 |
| Session Style | On-Demand | Session |
| Warranty | 2 years | 3 years |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the Zeus Arc GT?
The biggest practical difference is heating approach: Firefly 2+ runs convection while Zeus Arc GT runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the Firefly 2+ or the Zeus Arc GT?
Zeus Arc GT is the cheaper option at $180 compared with $250 for the Firefly 2+, about $70 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Firefly 2+ and the Zeus Arc GT?
Firefly 2+ uses convection heating, while the Zeus Arc GT uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Firefly 2+ or the Zeus Arc GT hold more flower?
Zeus Arc GT has the larger chamber at ~0.3 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.
Which is lighter, the Firefly 2+ or the Zeus Arc GT?
Zeus Arc GT is the lighter unit at ~125g, around 15g less than the Firefly 2+ at ~140g. The lighter device is easier to carry and pocket day-to-day.
Can I swap the batteries on the Firefly 2+ or the Zeus Arc GT?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The Zeus Arc GT has a built-in battery you can't swap on the go.
Can I set custom temperatures on the Firefly 2+ or the Zeus Arc GT?
Firefly 2+ controls heat with digital (precise), while the Zeus Arc GT uses modular - 3 stages. Firefly 2+ gives you finer per-degree control.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.