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Vaporizer Comparison

G Pen Roam vs Utillian 722

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

G Pen Roam

G Pen Roam

Grenco Science $200

VS
Utillian 722

Utillian 722

Utillian $170

Editorial Summary

G Pen Roam and Utillian 722 are both portable / electronic vaporizers, but they target different priorities. Utillian 722 is usually the lower-cost pick at $170, around $30 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.

Specs Compared

23

Different Specs

18

Shared Specs

5

Overall Overlap

22%

Shared Traits

Portable Electronic

Head-to-Head Highlights

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

Price (USD)

Utillian 722 edge

G Pen Roam

$200

Utillian 722

$170

Utillian 722 is typically around $30 lower.

Heat-Up Time

G Pen Roam edge

G Pen Roam

~5 seconds

Utillian 722

~30 seconds

G Pen Roam has the quicker listed heat-up profile.

Weight

Utillian 722 edge

G Pen Roam

~317g

Utillian 722

180g

Utillian 722 is the lighter listed unit.

Heating Style

Close call

G Pen Roam

Conduction

Utillian 722

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

Utillian 722

$170

Heating Type

G Pen Roam

Conduction

Utillian 722

Convection

Heat Up Time

G Pen Roam

~5 seconds

Utillian 722

~30 seconds

Temperature Range

G Pen Roam

204°C - 427°C (400°F - 800°F)

Utillian 722

180°C - 225°C

Battery Capacity

G Pen Roam

1300mAh

Utillian 722

2300mAh

Battery Life

G Pen Roam

15-20 sessions

Utillian 722

~60 minutes

Dimensions

G Pen Roam

178x127x102mm

Utillian 722

111x58x28mm

Weight

G Pen Roam

~317g

Utillian 722

180g

Power Adjustment

G Pen Roam

Digital Control

Utillian 722

Modular - 5 stage

Chamber Material

G Pen Roam

Quartz

Utillian 722

Stainless Steel

Choose G Pen Roam if...

  • You care about faster heat-up time for quicker sessions.
  • You prefer a conduction heating profile.
  • Your usage leans toward concentrates sessions.
View G Pen Roam Profile

Choose Utillian 722 if...

  • You want the lower listed entry price ($170 vs $200).
  • You want the lighter unit for carrying and travel.
  • You prefer a convection heating profile.
  • Your usage leans toward convection and discrete sessions.
View Utillian 722 Profile

Spec Comparison Table

Direct comparison of every spec from each device profile.

18 differ 5 shared
SpecificationG Pen RoamUtillian 722
Price (USD) $200$170
Device Type PortablePortable
Heating Type ConductionConvection
Heat Up Time ~5 seconds~30 seconds
Temperature Range 204°C - 427°C (400°F - 800°F)180°C - 225°C
Chamber Capacity <0.4 grams
Battery Type InternalInternal
Battery Capacity 1300mAh2300mAh
Battery Life 15-20 sessions~60 minutes
Charging Micro-USBMicro-USB
Charge Time ~2 hours~2 hours
Dimensions 178x127x102mm111x58x28mm
Weight ~317g180g
Power Adjustment Digital ControlModular - 5 stage
Chamber Material QuartzStainless Steel
Concentrate Support Yes
Brand Grenco ScienceUtillian
Adjustable Airflow No
Display Type LED
Haptic Feedback Yes
Release Date 2020
Session Style Session
Warranty 1 year1 year

Comparison FAQs

What is the biggest difference between the G Pen Roam and the Utillian 722?

The biggest practical difference is heating approach: G Pen Roam runs conduction while Utillian 722 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 Utillian 722?

Utillian 722 is the cheaper option at $170 compared with $200 for the G Pen Roam, about $30 less. Live retailer pricing can shift, so confirm before buying.

Which heats up faster, the G Pen Roam or the Utillian 722?

G Pen Roam reaches session-ready temperature in ~5 seconds, while the Utillian 722 takes ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.

What's the difference in heating between the G Pen Roam and the Utillian 722?

G Pen Roam uses conduction heating, while the Utillian 722 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 Utillian 722?

Utillian 722 is the lighter unit at 180g, around 137g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.

Can I set custom temperatures on the G Pen Roam or the Utillian 722?

G Pen Roam controls heat with digital control, while the Utillian 722 uses modular - 5 stage. G Pen Roam gives you finer per-degree control.

Which is more discreet, the G Pen Roam or the Utillian 722?

Utillian 722 is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Roam is more conspicuous in hand and harder to keep out of sight.

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