Price (USD)
POTV ONE edgeG Pen Roam
$200
POTV ONE
$100
POTV ONE is typically around $100 lower.
Vaporizer Comparison
G Pen Roam vs POTV ONE
G Pen Roam
VS
POTV ONE
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
G Pen Roam and POTV ONE are both portable / electronic vaporizers, but they target different priorities. POTV ONE is usually the lower-cost pick at $100, around $100 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
15
Different Specs
13
Shared Specs
2
Overall Overlap
13%
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
POTV ONE
30-40 Seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
Close callG Pen Roam
—
POTV ONE
~130 grams
Weight is close enough that portability is likely similar.
Heating Style
Close callG Pen Roam
Conduction
POTV ONE
Convection
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
vs
POTV ONE
$100
Device Type
G Pen Roam
—
vs
POTV ONE
Portable
Heating Type
G Pen Roam
Conduction
vs
POTV ONE
Convection
Heat Up Time
G Pen Roam
~5 seconds
vs
POTV ONE
30-40 Seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
vs
POTV ONE
160-221°C (320-430°F)
Battery Capacity
G Pen Roam
1300mAh
vs
POTV ONE
1600mAh
Battery Life
G Pen Roam
—
vs
POTV ONE
30-40 Minutes
Charge Time
G Pen Roam
~2 hours
vs
POTV ONE
~90 Minutes
Dimensions
G Pen Roam
—
vs
POTV ONE
8.1x5x2.7cm
Weight
G Pen Roam
—
vs
POTV ONE
~130 grams
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward concentrates sessions.
Choose POTV ONE if...
- You want the lower listed entry price ($100 vs $200).
- You prefer a convection heating profile.
- Your usage leans toward convection and budget sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
13 differ 2 shared
| Specification | G Pen Roam | POTV ONE |
|---|---|---|
| Price (USD) | $200 | $100 |
| Device Type | — | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~5 seconds | 30-40 Seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 160-221°C (320-430°F) |
| Battery Capacity | 1300mAh | 1600mAh |
| Battery Life | — | 30-40 Minutes |
| Charging | Micro-USB | Micro-USB |
| Charge Time | ~2 hours | ~90 Minutes |
| Dimensions | — | 8.1x5x2.7cm |
| Weight | — | ~130 grams |
| Power Adjustment | Digital Control | — |
| Brand | Grenco Science | Planet of the Vapes |
| Display Type | LED | — |
| Haptic Feedback | Yes | Yes |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the POTV ONE?
The biggest practical difference is price tier: the POTV ONE sits at $100 while the G Pen Roam is $200, a gap of about $100 that puts them in different buying brackets.
Which is cheaper, the G Pen Roam or the POTV ONE?
POTV ONE is the cheaper option at $100 compared with $200 for the G Pen Roam, about $100 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Roam or the POTV ONE?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the POTV ONE takes 30-40 Seconds. That's roughly 30 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the G Pen Roam and the POTV ONE?
G Pen Roam uses conduction heating, while the POTV ONE uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which charges faster, the G Pen Roam or the POTV ONE?
POTV ONE fully charges in ~90 Minutes, ahead of ~2 hours on the G Pen Roam.
Which has a wider temperature range, the G Pen Roam or the POTV ONE?
POTV ONE covers 160-221°C (320-430°F), a wider band than the G Pen Roam at 204°C - 427°C (400°F - 800°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
How similar are the G Pen Roam and the POTV ONE?
Across the 15 specs we line up, they share 2 and differ on 13, an overlap of about 13%. 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.