Price (USD)
G Pen Roam edgeG Pen Roam
$100
RiO
$150
G Pen Roam 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 from $49.95
VS
RiO
Stache $150
Editorial Summary
G Pen Roam and RiO are both portable / concentrates vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $50 below RiO. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
21
Different Specs
17
Shared Specs
4
Overall Overlap
19%
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
$100
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 lower listed entry price ($100 vs $150).
- You want the lighter unit for carrying and travel.
- Your usage leans toward electronic sessions.
Lowest price
$49.95
at G Pen
Choose RiO if...
- Your usage leans toward conduction and microdosing sessions.
- You prefer RiO's overall feature mix and form factor.
- You value how the RiO balances size, controls, and everyday practicality.
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.
17 differ 4 shared
| Specification | G Pen Roam | RiO |
|---|---|---|
| Price (USD) | $100 | $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 | — |
| 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?
G Pen Roam is the cheaper option at $100 compared with $150 for the RiO, 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 21 specs we line up, they share 4 and differ on 17, an overlap of about 19%. 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.