Price (USD)
Zeus Arc GTS edgeFirefly 2+
$250
Zeus Arc GTS
$200
Zeus Arc GTS is typically around $50 lower.
Vaporizer Comparison
Firefly 2+ vs Zeus Arc GTS
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
Zeus Arc GTS
Zeus Arsenal $200
Editorial Summary
Firefly 2+ and Zeus Arc GTS are both portable / premium vaporizers, but they target different priorities. Zeus Arc GTS is usually the lower-cost pick at $200, around $50 below Firefly 2+. Firefly 2+ has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
21
Shared Specs
2
Overall Overlap
9%
Shared Traits
Portable Premium Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Firefly 2+ edgeFirefly 2+
~3 seconds
Zeus Arc GTS
~60 seconds
Firefly 2+ has the quicker listed heat-up profile.
Weight
Zeus Arc GTS edgeFirefly 2+
~140g
Zeus Arc GTS
125g
Zeus Arc GTS is the lighter listed unit.
Heating Style
Close callFirefly 2+
Convection
Zeus Arc GTS
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 GTS
$200
Heating Type
Firefly 2+
Convection
Zeus Arc GTS
Conduction
Heat Up Time
Firefly 2+
~3 seconds
Zeus Arc GTS
~60 seconds
Temperature Range
Firefly 2+
93°C - 260°C
Zeus Arc GTS
400°F - 437°F
Chamber Capacity
Firefly 2+
~0.15g
Zeus Arc GTS
~0.3 grams
Battery Type
Firefly 2+
Removable (proprietary)
Zeus Arc GTS
Internal
Battery Capacity
Firefly 2+
770mAh
Zeus Arc GTS
3500 mAh
Charging
Firefly 2+
Proprietary Dock
Zeus Arc GTS
Micro USB
Charge Time
Firefly 2+
~45 minutes
Zeus Arc GTS
~2 hours
Dimensions
Firefly 2+
129x36x24mm
Zeus Arc GTS
86x42x22.5mm
Choose Firefly 2+ if...
- You care about faster heat-up time for quicker sessions.
- You prefer a convection heating profile.
- Your usage leans toward battery swap and convection sessions.
Choose Zeus Arc GTS if...
- You want the lower listed entry price ($200 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.
21 differ 2 shared
| Specification | Firefly 2+ | Zeus Arc GTS |
|---|---|---|
| Price (USD) | $250 | $200 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | ~60 seconds |
| Temperature Range | 93°C - 260°C | 400°F - 437°F |
| Chamber Capacity | ~0.15g | ~0.3 grams |
| Battery Type | Removable (proprietary) | Internal |
| Battery Capacity | 770mAh | 3500 mAh |
| Battery Life | <90 minutes | ~90 minutes |
| Charging | Proprietary Dock | Micro USB |
| Charge Time | ~45 minutes | ~2 hours |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | 86x42x22.5mm |
| Weight | ~140g | 125g |
| Power Adjustment | Digital (precise) | Modular - 3 Stages |
| Chamber Material | Glass | Gold-Plated |
| Brand | Firefly Vapor | Zeus Arsenal |
| Adjustable Airflow | — | No |
| Chamber Type | Ceramic | — |
| Haptic Feedback | — | Yes |
| Release Date | 2019 | 2021 |
| 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 GTS?
The biggest practical difference is heating approach: Firefly 2+ runs convection while Zeus Arc GTS 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 GTS?
Zeus Arc GTS is the cheaper option at $200 compared with $250 for the Firefly 2+, about $50 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Firefly 2+ or the Zeus Arc GTS?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the Zeus Arc GTS takes ~60 seconds. That's roughly 57 seconds quicker on the Firefly 2+, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Firefly 2+ and the Zeus Arc GTS?
Firefly 2+ uses convection heating, while the Zeus Arc GTS 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 GTS hold more flower?
Zeus Arc GTS 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 GTS?
Zeus Arc GTS 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 GTS?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The Zeus Arc GTS has a built-in battery you can't swap on the go.
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