Price (USD)
Close callG Pen Roam
$200
OG Jams
$200
Pricing is very close between both devices.
Vaporizer Comparison
G Pen Roam vs OG Jams
G Pen Roam
VS
OG Jams
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
G Pen Roam and OG Jams are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($200 vs $200). Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
15
Different Specs
13
Shared Specs
2
Overall Overlap
13%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callG Pen Roam
~5 seconds
OG Jams
—
Both devices are in a similar heat-up range.
Heating Style
Close callG Pen Roam
Conduction
OG Jams
—
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Device Type
G Pen Roam
—
vs
OG Jams
Portable
Heating Type
G Pen Roam
Conduction
vs
OG Jams
—
Heat Up Time
G Pen Roam
~5 seconds
vs
OG Jams
—
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
vs
OG Jams
—
Chamber Capacity
G Pen Roam
—
vs
OG Jams
1 gram
Battery Capacity
G Pen Roam
1300mAh
vs
OG Jams
2000mAh
Charging
G Pen Roam
Micro-USB
vs
OG Jams
USB-C
Charge Time
G Pen Roam
~2 hours
vs
OG Jams
—
Dimensions
G Pen Roam
—
vs
OG Jams
4 x 2.5 x 2.5 inches
Power Adjustment
G Pen Roam
Digital Control
vs
OG Jams
Digital
Choose G Pen Roam if...
- You prefer a conduction heating profile.
- Your usage leans toward concentrates sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Choose OG Jams if...
- You prefer a — heating profile.
- Your usage leans toward conduction sessions.
- You prefer OG Jams's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
13 differ 2 shared
| Specification | G Pen Roam | OG Jams |
|---|---|---|
| Price (USD) | $200 | $200 |
| Device Type | — | Portable |
| Heating Type | Conduction | — |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | — |
| Chamber Capacity | — | 1 gram |
| Battery Capacity | 1300mAh | 2000mAh |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | — |
| Dimensions | — | 4 x 2.5 x 2.5 inches |
| Power Adjustment | Digital Control | Digital |
| Brand | Grenco Science | The Kind Pen |
| Adjustable Airflow | — | Yes |
| Display Type | LED | OLED |
| Haptic Feedback | Yes | Yes |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the OG Jams?
There's no single headline gap. The differences are spread across 13 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Which is cheaper, the G Pen Roam or the OG Jams?
Listed prices are close: $200 for the G Pen Roam versus $200 for the OG Jams. Day-to-day price will likely come down to whichever retailer is running a promotion.
Which uses USB-C, the G Pen Roam or the OG Jams?
OG Jams 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.
How similar are the G Pen Roam and the OG Jams?
Across the 15 specs we line up, they share 2 and differ on 13, an overlap of about 13%. 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.