Price (USD)
G Pen Roam edgeG Pen Roam
$200
Venty
$449
G Pen Roam is typically around $249 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
Venty
Storz & Bickel $449
G Pen Roam and Venty are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $200, around $249 below Venty. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
27
Different Specs
26
Shared Specs
1
Overall Overlap
4%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
Venty
$449
G Pen Roam is typically around $249 lower.
G Pen Roam
~5 seconds
Venty
~20 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
~317g
Venty
252g
Venty is the lighter listed unit.
G Pen Roam
Conduction
Venty
Hybrid
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
Venty
$449
Heating Type
G Pen Roam
Conduction
Venty
Hybrid
Heat Up Time
G Pen Roam
~5 seconds
Venty
~20 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Venty
40°C - 210°C
Battery Type
G Pen Roam
Internal
Venty
Internal Non-Swappable Lithium-Ion
Charging
G Pen Roam
Micro-USB
Venty
USB-C
Charge Time
G Pen Roam
~2 hours
Venty
80% charge in 40 minutes
Weight
G Pen Roam
~317g
Venty
252g
Power Adjustment
G Pen Roam
Digital Control
Venty
Digital
Chamber Material
G Pen Roam
Quartz
Venty
Ceramic-Coated
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | Venty |
|---|---|---|
| Price (USD) | $200 | $449 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Hybrid |
| Heat Up Time | ~5 seconds | ~20 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 40°C - 210°C |
| Chamber Capacity | — | ~0.3g |
| Battery Type | Internal | Internal Non-Swappable Lithium-Ion |
| Battery Capacity | 1300mAh | — |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | 80% charge in 40 minutes |
| Bluetooth / App | — | Yes |
| Dimensions | 178x127x102mm | — |
| Width | — | 5.5cm |
| Height | — | 15.7cm |
| Depth | — | 3.7cm |
| Weight | ~317g | 252g |
| Power Adjustment | Digital Control | Digital |
| Chamber Material | Quartz | Ceramic-Coated |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Storz & Bickel |
| Adjustable Airflow | No | Yes |
| Country of Manufacture | — | Germany |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | 2023 |
| Warranty | 1 year | 2 years |
The biggest practical difference is price tier: the G Pen Roam sits at $200 while the Venty is $449, a gap of about $249 that puts them in different buying brackets.
G Pen Roam is the cheaper option at $200 compared with $449 for the Venty, about $249 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Venty takes ~20 seconds. That's roughly 15 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam uses conduction heating, while the Venty uses hybrid. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Venty is the lighter unit at 252g, around 65g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Venty fully charges in 80% charge in 40 minutes, ahead of ~2 hours on the G Pen Roam.
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the Venty at 40°C - 210°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.