Price (USD)
RiO edgeG Pen Roam
$200
RiO
$150
RiO is typically around $50 lower.
Vaporizer Comparison
G Pen Roam vs RiO
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
VS
RiO
Stache $150
Editorial Summary
G Pen Roam and RiO are both portable / concentrates vaporizers, but they target different priorities. RiO is usually the lower-cost pick at $150, around $50 below G Pen Roam. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
19
Shared Specs
4
Overall Overlap
17%
Shared Traits
Portable Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
G Pen Roam edgeG Pen Roam
~317g
RiO
~522g
G Pen Roam is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
RiO
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
RiO
$150
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
RiO
N/A
Battery Type
G Pen Roam
Internal
RiO
N/A
Charging
G Pen Roam
Micro-USB
RiO
N/A
Weight
G Pen Roam
~317g
RiO
~522g
Power Adjustment
G Pen Roam
Digital Control
RiO
Manual
Chamber Material
G Pen Roam
Quartz
RiO
Glass
Brand
G Pen Roam
Grenco Science
RiO
Stache
Choose G Pen Roam if...
- You want the lighter unit for carrying and travel.
- Your usage leans toward electronic sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Choose RiO if...
- You want the lower listed entry price ($150 vs $200).
- Your usage leans toward conduction and microdosing sessions.
- You prefer RiO's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
19 differ 4 shared
| Specification | G Pen Roam | RiO |
|---|---|---|
| Price (USD) | $200 | $150 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | N/A |
| Chamber Capacity | — | N/A |
| Battery Type | Internal | N/A |
| Battery Capacity | 1300mAh | — |
| Battery Life | 15-20 sessions | — |
| Charging | Micro-USB | N/A |
| Charge Time | ~2 hours | — |
| Dimensions | 178x127x102mm | — |
| Height | — | 14 inches |
| Weight | ~317g | ~522g |
| Power Adjustment | Digital Control | Manual |
| Chamber Material | Quartz | Glass |
| Concentrate Support | Yes | Yes |
| Brand | Grenco Science | Stache |
| Adjustable Airflow | No | — |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | — |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the RiO?
The biggest practical difference is portability: the G Pen Roam is roughly 205g lighter than the RiO, which adds up over a day of pocket carry.
Which is cheaper, the G Pen Roam or the RiO?
RiO is the cheaper option at $150 compared with $200 for the G Pen Roam, about $50 less. Live retailer pricing can shift, so confirm before buying.
Which is lighter, the G Pen Roam or the RiO?
G Pen Roam is the lighter unit at ~317g, around 205g less than the RiO at ~522g. The lighter device is easier to carry and pocket day-to-day.
Can I set custom temperatures on the G Pen Roam or the RiO?
G Pen Roam controls heat with digital control, while the RiO uses manual. G Pen Roam gives you finer per-degree control.
Is the G Pen Roam or the RiO better for microdosing?
RiO is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Can I use concentrates with the G Pen Roam or the RiO?
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
How similar are the G Pen Roam and the RiO?
Across the 23 specs we line up, they share 4 and differ on 19, an overlap of about 17%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.