Price (USD)
Close callG Pen Roam
$100
G Pen Pro
$90
Pricing is very close between both devices.
Vaporizer Comparison
G Pen Roam vs G Pen Pro
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
G Pen Pro
Grenco Science $90
Editorial Summary
G Pen Roam and G Pen Pro are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($100 vs $90). G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
22
Different Specs
17
Shared Specs
5
Overall Overlap
23%
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
G Pen Pro
~30 seconds
G Pen Roam has the quicker listed heat-up profile.
Heating Style
Close callG Pen Roam
Conduction
G Pen Pro
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
$100
G Pen Pro
$90
Heating Type
G Pen Roam
Conduction
G Pen Pro
Convection
Heat Up Time
G Pen Roam
~5 seconds
G Pen Pro
~30 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
G Pen Pro
190°C - 220°C (375°F - 428°F)
Battery Capacity
G Pen Roam
1300mAh
G Pen Pro
2200mAh
Charge Time
G Pen Roam
~2 hours
G Pen Pro
<3 hours
Power Adjustment
G Pen Roam
Digital Control
G Pen Pro
Modular - 3 Stages
Chamber Material
G Pen Roam
Quartz
G Pen Pro
Ceramic
Release Date
G Pen Roam
2020
G Pen Pro
2017
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 G Pen Pro if...
- You prefer a convection heating profile.
- Your usage leans toward budget and convection sessions.
- You prefer G Pen Pro'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.
17 differ 5 shared
| Specification | G Pen Roam | G Pen Pro |
|---|---|---|
| Price (USD) | $100 | $90 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~5 seconds | ~30 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 190°C - 220°C (375°F - 428°F) |
| Chamber Capacity | — | ~0.25 grams |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 2200mAh |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | Micro-USB |
| Charge Time | ~2 hours | <3 hours |
| Weight | ~317g | — |
| Power Adjustment | Digital Control | Modular - 3 Stages |
| Chamber Material | Quartz | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Grenco Science |
| Adjustable Airflow | No | — |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | 2017 |
| Session Style | — | Session |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the G Pen Pro?
The biggest practical difference is heating approach: G Pen Roam runs conduction while G Pen Pro runs convection. 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 G Pen Pro?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the G Pen Pro takes ~30 seconds. That's roughly 25 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 G Pen Pro?
G Pen Roam uses conduction heating, while the G Pen Pro uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is cheaper, the G Pen Roam or the G Pen Pro?
Listed prices are close: $100 for the G Pen Roam versus $90 for the G Pen Pro. 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 G Pen Pro?
G Pen Roam controls heat with digital control, while the G Pen Pro uses modular - 3 stages. G Pen Roam gives you finer per-degree control.
Which charges faster, the G Pen Roam or the G Pen Pro?
G Pen Roam fully charges in ~2 hours, ahead of <3 hours on the G Pen Pro.
Which has a wider temperature range, the G Pen Roam or the G Pen Pro?
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the G Pen Pro at 190°C - 220°C (375°F - 428°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.