Price (USD)
G Pen Roam edgeG Pen Roam
$100
Zeus Arc GT
$180
G Pen Roam is typically around $80 lower.
Vaporizer Comparison
G Pen Roam vs Zeus Arc GT
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
Zeus Arc GT
Zeus Arsenal $180
Editorial Summary
G Pen Roam and Zeus Arc GT are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $80 below Zeus Arc GT. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
19
Shared Specs
4
Overall Overlap
17%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
Zeus Arc GT edgeG Pen Roam
~317g
Zeus Arc GT
~125g
Zeus Arc GT is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Zeus Arc GT
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$100
Zeus Arc GT
$180
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Zeus Arc GT
401°F - 437°F
Battery Capacity
G Pen Roam
1300mAh
Zeus Arc GT
3500mAh
Battery Life
G Pen Roam
15-20 sessions
Zeus Arc GT
~90 minutes
Weight
G Pen Roam
~317g
Zeus Arc GT
~125g
Power Adjustment
G Pen Roam
Digital Control
Zeus Arc GT
Modular - 3 Stages
Chamber Material
G Pen Roam
Quartz
Zeus Arc GT
Gold-Plated
Brand
G Pen Roam
Grenco Science
Zeus Arc GT
Zeus Arsenal
Release Date
G Pen Roam
2020
Zeus Arc GT
2018
Warranty
G Pen Roam
1 year
Zeus Arc GT
3 years
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $180).
- Your usage leans toward concentrates sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Lowest price
$49.95
at G Pen
Choose Zeus Arc GT if...
- You want the lighter unit for carrying and travel.
- Your usage leans toward conduction sessions.
- You prefer Zeus Arc GT's overall feature mix and form factor.
Prices are read automatically from retailer pages and were last checked Aug 27, 2026; 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 4 shared
| Specification | G Pen Roam | Zeus Arc GT |
|---|---|---|
| Price (USD) | $100 | $180 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 401°F - 437°F |
| Chamber Capacity | — | ~0.3 grams |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 3500mAh |
| Battery Life | 15-20 sessions | ~90 minutes |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | — |
| Dimensions | — | 86x42x22mm |
| 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 | — |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | 2018 |
| Session Style | — | Session |
| Warranty | 1 year | 3 years |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Zeus Arc GT?
The biggest practical difference is portability: the Zeus Arc GT is roughly 192g lighter than the G Pen Roam, which adds up over a day of pocket carry.
Which is cheaper, the G Pen Roam or the Zeus Arc GT?
G Pen Roam is the cheaper option at $100 compared with $180 for the Zeus Arc GT, about $80 less. Live retailer pricing can shift, so confirm before buying.
Which is lighter, the G Pen Roam or the Zeus Arc GT?
Zeus Arc GT 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.
Can I set custom temperatures on the G Pen Roam or the Zeus Arc GT?
G Pen Roam controls heat with digital control, while the Zeus Arc GT 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 GT?
G Pen Roam's spec sheet lists 15-20 sessions; the Zeus Arc GT 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 GT?
Across the 23 specs we line up, they share 4 and differ on 19, an overlap of about 17%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.