Price (USD)
Furna edgeFurna
$175
G Pen Roam
$200
Furna is typically around $25 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Furna
Furna $175
G Pen Roam
Grenco Science $200
Furna and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. Furna is usually the lower-cost pick at $175, around $25 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
22
Different Specs
15
Shared Specs
7
Overall Overlap
32%
Shared Traits
A quick snapshot of the specs people usually care about first.
Furna
$175
G Pen Roam
$200
Furna is typically around $25 lower.
Furna
20-30 Seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Furna
Conduction
G Pen Roam
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Furna
$175
G Pen Roam
$200
Heat Up Time
Furna
20-30 Seconds
G Pen Roam
~5 seconds
Temperature Range
Furna
160°C - 215°C (320°F - 420°F)
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Type
Furna
Internal 18650
G Pen Roam
Internal
Battery Capacity
Furna
3500mAh
G Pen Roam
1300mAh
Charge Time
Furna
<2.5 hours
G Pen Roam
~2 hours
Power Adjustment
Furna
Digital
G Pen Roam
Digital Control
Chamber Material
Furna
Stainless Steel
G Pen Roam
Quartz
Brand
Furna
Furna
G Pen Roam
Grenco Science
Warranty
Furna
2 years
G Pen Roam
1 year
Direct comparison of every spec from each device profile.
| Specification | Furna | G Pen Roam |
|---|---|---|
| Price (USD) | $175 | $200 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | 20-30 Seconds | ~5 seconds |
| Temperature Range | 160°C - 215°C (320°F - 420°F) | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | ~0.23g | — |
| Battery Type | Internal 18650 | Internal |
| Battery Capacity | 3500mAh | 1300mAh |
| Battery Life | 15-20 sessions | 15-20 sessions |
| Charging | Micro-USB | Micro-USB |
| Charge Time | <2.5 hours | ~2 hours |
| Dimensions | — | 178x127x102mm |
| Weight | — | ~317g |
| Power Adjustment | Digital | Digital Control |
| Chamber Material | Stainless Steel | Quartz |
| Concentrate Support | Yes | Yes |
| Brand | Furna | Grenco Science |
| Adjustable Airflow | No | No |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Release Date | 2020 | 2020 |
| Warranty | 2 years | 1 year |
The biggest practical difference is heat-up speed: the G Pen Roam is ready in ~5 seconds versus 20-30 Seconds on the Furna, which changes whether it feels on-demand or scheduled.
Furna is the cheaper option at $175 compared with $200 for the G Pen Roam, about $25 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Furna takes 20-30 Seconds. That's roughly 20 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam fully charges in ~2 hours, ahead of <2.5 hours on the Furna.
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the Furna at 160°C - 215°C (320°F - 420°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Across the 22 specs we line up, they share 7 and differ on 15, an overlap of about 32%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.