Price (USD)
Close callBoundless Vexil
$107
G Pen Roam
$100
Pricing is very close between both devices.
Vaporizer Comparison
Boundless Vexil vs G Pen Roam
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Vexil
Boundless Technology from $119.99
VS
G Pen Roam
Grenco Science from $49.95
Editorial Summary
Boundless Vexil and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($107 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 edgeBoundless Vexil
15 Seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
Boundless Vexil edgeBoundless Vexil
154g
G Pen Roam
~317g
Boundless Vexil is the lighter listed unit.
Heating Style
Close callBoundless Vexil
Conduction
G Pen Roam
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Boundless Vexil
$107
G Pen Roam
$100
Heat Up Time
Boundless Vexil
15 Seconds
G Pen Roam
~5 seconds
Temperature Range
Boundless Vexil
377°F - 437°F
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Capacity
Boundless Vexil
1800mAh
G Pen Roam
1300mAh
Charging
Boundless Vexil
USB-C
G Pen Roam
Micro-USB
Weight
Boundless Vexil
154g
G Pen Roam
~317g
Power Adjustment
Boundless Vexil
Modular - 4 stage
G Pen Roam
Digital Control
Chamber Material
Boundless Vexil
Ceramic
G Pen Roam
Quartz
Brand
Boundless Vexil
Boundless Technology
G Pen Roam
Grenco Science
Release Date
Boundless Vexil
2021
G Pen Roam
2020
Choose Boundless Vexil if...
- You want the lighter unit for carrying and travel.
- Your usage leans toward discrete and conduction sessions.
- You prefer Boundless Vexil's overall feature mix and form factor.
Lowest price
$119.99
at The Stash Shack
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward concentrates sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
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.
Spec Comparison Table
Direct comparison of every spec from each device profile.
19 differ 4 shared
| Specification | Boundless Vexil | G Pen Roam |
|---|---|---|
| Price (USD) | $107 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | 15 Seconds | ~5 seconds |
| Temperature Range | 377°F - 437°F | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | 0.5g | — |
| Battery Type | Internal | Internal |
| Battery Capacity | 1800mAh | 1300mAh |
| Battery Life | — | 15-20 sessions |
| Charging | USB-C | Micro-USB |
| Charge Time | — | ~2 hours |
| Dimensions | 108x45x20mm | — |
| Weight | 154g | ~317g |
| Power Adjustment | Modular - 4 stage | Digital Control |
| Chamber Material | Ceramic | Quartz |
| Concentrate Support | — | Yes |
| Brand | Boundless Technology | Grenco Science |
| Adjustable Airflow | — | No |
| Country of Manufacture | China | — |
| Display Type | — | LED |
| Haptic Feedback | Yes | Yes |
| Release Date | 2021 | 2020 |
| Warranty | 3 years | 1 year |
Comparison FAQs
What is the biggest difference between the Boundless Vexil and the G Pen Roam?
The biggest practical difference is portability: the Boundless Vexil is roughly 163g lighter than the G Pen Roam, which adds up over a day of pocket carry.
Which heats up faster, the Boundless Vexil or the G Pen Roam?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Boundless Vexil takes 15 Seconds. That's roughly 10 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Which is lighter, the Boundless Vexil or the G Pen Roam?
Boundless Vexil is the lighter unit at 154g, around 163g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Which is cheaper, the Boundless Vexil or the G Pen Roam?
Listed prices are close: $107 for the Boundless Vexil versus $100 for the G Pen Roam. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I set custom temperatures on the Boundless Vexil or the G Pen Roam?
Boundless Vexil controls heat with modular - 4 stage, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.
Which is more discreet, the Boundless Vexil or the G Pen Roam?
Boundless Vexil is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Roam is more conspicuous in hand and harder to keep out of sight.
Which uses USB-C, the Boundless Vexil or the G Pen Roam?
Boundless Vexil charges over USB-C; the G Pen Roam uses a Micro-USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.