Price (USD)
Close callG Pen Roam
$200
Zeus Arc GTS
$200
Pricing is very close between both devices.
Vaporizer Comparison
G Pen Roam vs Zeus Arc GTS
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
VS
Zeus Arc GTS
Zeus Arsenal $200
Editorial Summary
G Pen Roam and Zeus Arc GTS are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($200 vs $200). G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
15
Shared Specs
8
Overall Overlap
35%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeG Pen Roam
~5 seconds
Zeus Arc GTS
~60 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
Zeus Arc GTS edgeG Pen Roam
~317g
Zeus Arc GTS
125g
Zeus Arc GTS is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Zeus Arc GTS
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Heat Up Time
G Pen Roam
~5 seconds
Zeus Arc GTS
~60 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Zeus Arc GTS
400°F - 437°F
Battery Capacity
G Pen Roam
1300mAh
Zeus Arc GTS
3500 mAh
Battery Life
G Pen Roam
15-20 sessions
Zeus Arc GTS
~90 minutes
Dimensions
G Pen Roam
178x127x102mm
Zeus Arc GTS
86x42x22.5mm
Weight
G Pen Roam
~317g
Zeus Arc GTS
125g
Power Adjustment
G Pen Roam
Digital Control
Zeus Arc GTS
Modular - 3 Stages
Chamber Material
G Pen Roam
Quartz
Zeus Arc GTS
Gold-Plated
Brand
G Pen Roam
Grenco Science
Zeus Arc GTS
Zeus Arsenal
Release Date
G Pen Roam
2020
Zeus Arc GTS
2021
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward concentrates sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Choose Zeus Arc GTS if...
- You want the lighter unit for carrying and travel.
- Your usage leans toward premium and conduction sessions.
- You prefer Zeus Arc GTS's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
15 differ 8 shared
| Specification | G Pen Roam | Zeus Arc GTS |
|---|---|---|
| Price (USD) | $200 | $200 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | ~60 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 400°F - 437°F |
| Chamber Capacity | — | ~0.3 grams |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 3500 mAh |
| Battery Life | 15-20 sessions | ~90 minutes |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | ~2 hours |
| Dimensions | 178x127x102mm | 86x42x22.5mm |
| Weight | ~317g | 125g |
| Power Adjustment | Digital Control | Modular - 3 Stages |
| Chamber Material | Quartz | Gold-Plated |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Zeus Arsenal |
| Adjustable Airflow | No | No |
| Display Type | LED | — |
| Haptic Feedback | Yes | Yes |
| Release Date | 2020 | 2021 |
| Session Style | — | Session |
| Warranty | 1 year | 3 years |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Zeus Arc GTS?
The biggest practical difference is portability: the Zeus Arc GTS is roughly 192g lighter than the G Pen Roam, which adds up over a day of pocket carry.
Which heats up faster, the G Pen Roam or the Zeus Arc GTS?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Zeus Arc GTS takes ~60 seconds. That's roughly 55 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Which is lighter, the G Pen Roam or the Zeus Arc GTS?
Zeus Arc GTS is the lighter unit at 125g, around 192g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Which is cheaper, the G Pen Roam or the Zeus Arc GTS?
Listed prices are close: $200 for the G Pen Roam versus $200 for the Zeus Arc GTS. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I set custom temperatures on the G Pen Roam or the Zeus Arc GTS?
G Pen Roam controls heat with digital control, while the Zeus Arc GTS uses modular - 3 stages. G Pen Roam gives you finer per-degree control.
What battery life can I expect from the G Pen Roam and the Zeus Arc GTS?
G Pen Roam's spec sheet lists 15-20 sessions; the Zeus Arc GTS lists ~90 minutes. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
How similar are the G Pen Roam and the Zeus Arc GTS?
Across the 23 specs we line up, they share 8 and differ on 15, an overlap of about 35%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
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