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
365°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.
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.
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 | 365°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.