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
~80 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
~80 seconds
Temperature Range
Firefly 2+
93°C - 260°C
Zeus Arc GTS
401°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.
Typical price
$250
Sold by The Stash Shack
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.
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.
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 | ~80 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 | 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 ~80 seconds. That's roughly 77 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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