Price (USD)
Zeus Arc GT edgeG Pen Roam
$200
Zeus Arc GT
$180
Zeus Arc GT is typically around $20 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
Zeus Arc GT
Zeus Arsenal $180
G Pen Roam 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 $20 below G Pen Roam. 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
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
Zeus Arc GT
$180
Zeus Arc GT is typically around $20 lower.
G Pen Roam
~317g
Zeus Arc GT
~125g
Zeus Arc GT is the lighter listed unit.
G Pen Roam
Conduction
Zeus Arc GT
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
Zeus Arc GT
$180
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Zeus Arc GT
365°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
Dimensions
G Pen Roam
178x127x102mm
Zeus Arc GT
86x42x22mm
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
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | Zeus Arc GT |
|---|---|---|
| Price (USD) | $200 | $180 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 365°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 | 178x127x102mm | 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 |
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.
Zeus Arc GT is the cheaper option at $180 compared with $200 for the G Pen Roam, about $20 less. Live retailer pricing can shift, so confirm before buying.
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.
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.
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.
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.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.