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Vaporizer Comparison

G Pen Roam vs Sticky Brick OG Brick

Side-by-side specs, pricing context, and clear decision guidance.

G Pen Roam

G Pen Roam

Grenco Science $200

VS
Sticky Brick OG Brick

Sticky Brick OG Brick

Sticky Brick Labs $180

Editorial Summary

G Pen Roam and Sticky Brick OG Brick are both portable / concentrates vaporizers, but they target different priorities. Sticky Brick OG Brick is usually the lower-cost pick at $180, around $20 below G Pen Roam. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.

Specs Compared

24

Different Specs

22

Shared Specs

2

Overall Overlap

8%

Shared Traits

Portable Concentrates

Head-to-Head Highlights

A quick snapshot of the specs people usually care about first.

Price (USD)

Sticky Brick OG Brick edge

G Pen Roam

$200

Sticky Brick OG Brick

$180

Sticky Brick OG Brick is typically around $20 lower.

Weight

G Pen Roam edge

G Pen Roam

~317g

Sticky Brick OG Brick

~369g

G Pen Roam is the lighter listed unit.

Heating Style

Close call

G Pen Roam

Conduction

Sticky Brick OG Brick

Convection

Heating style differs, which can impact flavor and extraction behavior.

Key Differences at a Glance

Top specs where these two devices diverge.

10 differences

Price (USD)

G Pen Roam

$200

Sticky Brick OG Brick

$180

Heating Type

G Pen Roam

Conduction

Sticky Brick OG Brick

Convection

Temperature Range

G Pen Roam

204°C - 427°C (400°F - 800°F)

Sticky Brick OG Brick

N/A

Battery Type

G Pen Roam

Internal

Sticky Brick OG Brick

None

Battery Capacity

G Pen Roam

1300mAh

Sticky Brick OG Brick

N/A

Battery Life

G Pen Roam

15-20 sessions

Sticky Brick OG Brick

N/A

Charging

G Pen Roam

Micro-USB

Sticky Brick OG Brick

N/A

Charge Time

G Pen Roam

~2 hours

Sticky Brick OG Brick

N/A

Dimensions

G Pen Roam

178x127x102mm

Sticky Brick OG Brick

95x95x46mm

Weight

G Pen Roam

~317g

Sticky Brick OG Brick

~369g

Choose G Pen Roam if...

  • You want the lighter unit for carrying and travel.
  • You prefer a conduction heating profile.
  • Your usage leans toward electronic sessions.
View G Pen Roam Profile

Choose Sticky Brick OG Brick if...

  • You prefer a convection heating profile.
  • Your usage leans toward wood and analog sessions.
  • You prefer Sticky Brick OG Brick's overall feature mix and form factor.
View Sticky Brick OG Brick Profile

Spec Comparison Table

Direct comparison of every spec from each device profile.

22 differ 2 shared
SpecificationG Pen RoamSticky Brick OG Brick
Price (USD) $200$180
Device Type PortablePortable
Heating Type ConductionConvection
Heat Up Time ~5 seconds
Temperature Range 204°C - 427°C (400°F - 800°F)N/A
Chamber Capacity ~0.4g
Battery Type InternalNone
Battery Capacity 1300mAhN/A
Battery Life 15-20 sessionsN/A
Charging Micro-USBN/A
Charge Time ~2 hoursN/A
Dimensions 178x127x102mm95x95x46mm
Weight ~317g~369g
Power Adjustment Digital ControlManual
Chamber Material Quartz
Concentrate Support YesYes
Brand Grenco ScienceSticky Brick Labs
Adjustable Airflow NoYes
Country of Manufacture United States (USA)
Display Type LED
Haptic Feedback Yes
Release Date 2020
Session Style On-Demand
Warranty 1 yearLifetime

Comparison FAQs

What is the biggest difference between the G Pen Roam and the Sticky Brick OG Brick?

The biggest practical difference is heating approach: G Pen Roam runs conduction while Sticky Brick OG Brick runs convection. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.

Which is cheaper, the G Pen Roam or the Sticky Brick OG Brick?

Sticky Brick OG Brick is the cheaper option at $180 compared with $200 for the G Pen Roam, about $20 less. Live retailer pricing can shift, so confirm before buying.

What's the difference in heating between the G Pen Roam and the Sticky Brick OG Brick?

G Pen Roam uses conduction heating, while the Sticky Brick OG Brick uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Which is lighter, the G Pen Roam or the Sticky Brick OG Brick?

G Pen Roam is the lighter unit at ~317g, around 52g less than the Sticky Brick OG Brick at ~369g. The lighter device is easier to carry and pocket day-to-day.

Can I set custom temperatures on the G Pen Roam or the Sticky Brick OG Brick?

G Pen Roam controls heat with digital control, while the Sticky Brick OG Brick uses manual. G Pen Roam gives you finer per-degree control.

What battery life can I expect from the G Pen Roam and the Sticky Brick OG Brick?

G Pen Roam's spec sheet lists 15-20 sessions; the Sticky Brick OG Brick lists N/A. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.

Is the G Pen Roam or the Sticky Brick OG Brick better for microdosing?

Sticky Brick OG Brick is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.

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