Price (USD)
Close callG Pen Roam
$100
POTV ONE
$100
Pricing is very close between both devices.
Vaporizer Comparison
G Pen Roam vs POTV ONE
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
POTV ONE
Planet of the Vapes $100
Editorial Summary
G Pen Roam and POTV ONE are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($100 vs $100). G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
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.
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
POTV ONE edgeG Pen Roam
~317g
POTV ONE
~130 grams
POTV ONE is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
POTV ONE
Hybrid
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Heating Type
G Pen Roam
Conduction
POTV ONE
Hybrid
Heat Up Time
G Pen Roam
~5 seconds
POTV ONE
30-40 Seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
POTV ONE
160-221°C (320-430°F)
Battery Capacity
G Pen Roam
1300mAh
POTV ONE
1600mAh
Battery Life
G Pen Roam
15-20 sessions
POTV ONE
30-40 Minutes
Charging
G Pen Roam
Micro-USB
POTV ONE
USB-C
Charge Time
G Pen Roam
~2 hours
POTV ONE
~90 Minutes
Weight
G Pen Roam
~317g
POTV ONE
~130 grams
Power Adjustment
G Pen Roam
Digital Control
POTV ONE
Digital (precise)
Chamber Material
G Pen Roam
Quartz
POTV ONE
Titanium
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.
Lowest price
$49.95
at G Pen
Choose POTV ONE if...
- You want the lighter unit for carrying and travel.
- You prefer a hybrid heating profile.
- Your usage leans toward hybrid and budget sessions.
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 | POTV ONE |
|---|---|---|
| Price (USD) | $100 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Hybrid |
| Heat Up Time | ~5 seconds | 30-40 Seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 160-221°C (320-430°F) |
| Chamber Capacity | — | 0.10g - 0.15g |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 1600mAh |
| Battery Life | 15-20 sessions | 30-40 Minutes |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | ~90 Minutes |
| Dimensions | — | 8.1x5x2.7cm |
| Weight | ~317g | ~130 grams |
| Power Adjustment | Digital Control | Digital (precise) |
| Chamber Material | Quartz | Titanium |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Planet of the Vapes |
| Adjustable Airflow | No | — |
| Display Type | LED | — |
| Haptic Feedback | Yes | Yes |
| Release Date | 2020 | 2019 |
| Session Style | — | Session |
| Warranty | 1 year | 2 years |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the POTV ONE?
The biggest practical difference is heating approach: G Pen Roam runs conduction while POTV ONE runs hybrid. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
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 hybrid. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the G Pen Roam or the POTV ONE?
POTV ONE is the lighter unit at ~130 grams, around 187g 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 POTV ONE?
Listed prices are close: $100 for the G Pen Roam versus $100 for the POTV ONE. Day-to-day price will likely come down to whichever retailer is running a promotion.
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.
What battery life can I expect from the G Pen Roam and the POTV ONE?
G Pen Roam's spec sheet lists 15-20 sessions; the POTV ONE lists 30-40 Minutes. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.