Price (USD)
Close callBoundless CFV
$110
G Pen Roam
$100
Pricing is very close between both devices.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CFV
Boundless Technology $110
G Pen Roam
Grenco Science from $49.95
Boundless CFV and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($110 vs $100). G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
24
Different Specs
21
Shared Specs
3
Overall Overlap
13%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless CFV
$110
G Pen Roam
$100
Pricing is very close between both devices.
Boundless CFV
~30 seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Boundless CFV
Convection
G Pen Roam
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless CFV
$110
G Pen Roam
$100
Heating Type
Boundless CFV
Convection
G Pen Roam
Conduction
Heat Up Time
Boundless CFV
~30 seconds
G Pen Roam
~5 seconds
Temperature Range
Boundless CFV
60°C-230°C
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Capacity
Boundless CFV
2200MaH
G Pen Roam
1300mAh
Battery Life
Boundless CFV
30-40 minutes
G Pen Roam
15-20 sessions
Charge Time
Boundless CFV
~2.5 hours
G Pen Roam
~2 hours
Power Adjustment
Boundless CFV
Digital
G Pen Roam
Digital Control
Chamber Material
Boundless CFV
Stainless Steel
G Pen Roam
Quartz
Brand
Boundless CFV
Boundless Technology
G Pen Roam
Grenco Science
Typical price
$110
Sold by The Stash Shack
Lowest price
$49.95
at G Pen
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.
Direct comparison of every spec from each device profile.
| Specification | Boundless CFV | G Pen Roam |
|---|---|---|
| Price (USD) | $110 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~5 seconds |
| Temperature Range | 60°C-230°C | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | ~0.5g | — |
| Battery Type | Internal | Internal |
| Battery Capacity | 2200MaH | 1300mAh |
| Battery Life | 30-40 minutes | 15-20 sessions |
| Charging | Micro USB | Micro-USB |
| Charge Time | ~2.5 hours | ~2 hours |
| Dimensions | 120x70x30mm | — |
| Weight | — | ~317g |
| Power Adjustment | Digital | Digital Control |
| Chamber Material | Stainless Steel | Quartz |
| Concentrate Support | — | Yes |
| Brand | Boundless Technology | Grenco Science |
| Adjustable Airflow | — | No |
| Country of Manufacture | China | — |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Release Date | 2016 | 2020 |
| Session Style | Session | — |
| Warranty | 3 years | 1 year |
The biggest practical difference is heating approach: Boundless CFV runs convection while G Pen Roam runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Boundless CFV takes ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Boundless CFV uses convection heating, while the G Pen Roam uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Listed prices are close: $110 for the Boundless CFV versus $100 for the G Pen Roam. Day-to-day price will likely come down to whichever retailer is running a promotion.
G Pen Roam fully charges in ~2 hours, ahead of ~2.5 hours on the Boundless CFV.
Boundless CFV's spec sheet lists 30-40 minutes; the G Pen Roam lists 15-20 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the Boundless CFV at 60°C-230°C. A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.