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Vaporizer Comparison

Dynavap 2021 Omni vs G Pen Roam

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

Dynavap 2021 Omni

Dynavap 2021 Omni

DynaVap $198

VS
G Pen Roam

G Pen Roam

Grenco Science from $49.95

Editorial Summary

Dynavap 2021 Omni and G Pen Roam are both portable vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $98 below Dynavap 2021 Omni. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.

Specs Compared

25

Different Specs

24

Shared Specs

1

Overall Overlap

4%

Shared Traits

Portable

Head-to-Head Highlights

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

Price (USD)

G Pen Roam edge

Dynavap 2021 Omni

$198

G Pen Roam

$100

G Pen Roam is typically around $98 lower.

Heat-Up Time

G Pen Roam edge

Dynavap 2021 Omni

Depending on the heat source, ~15 seconds

G Pen Roam

~5 seconds

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

Weight

Dynavap 2021 Omni edge

Dynavap 2021 Omni

~17 grams

G Pen Roam

~317g

Dynavap 2021 Omni is the lighter listed unit.

Heating Style

Close call

Dynavap 2021 Omni

Hybrid

G Pen Roam

Conduction

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)

Dynavap 2021 Omni

$198

G Pen Roam

$100

Heating Type

Dynavap 2021 Omni

Hybrid

G Pen Roam

Conduction

Heat Up Time

Dynavap 2021 Omni

Depending on the heat source, ~15 seconds

G Pen Roam

~5 seconds

Battery Type

Dynavap 2021 Omni

None

G Pen Roam

Internal

Battery Capacity

Dynavap 2021 Omni

N/A

G Pen Roam

1300mAh

Battery Life

Dynavap 2021 Omni

N/A

G Pen Roam

15-20 sessions

Charging

Dynavap 2021 Omni

N/A

G Pen Roam

Micro-USB

Charge Time

Dynavap 2021 Omni

N/A

G Pen Roam

~2 hours

Weight

Dynavap 2021 Omni

~17 grams

G Pen Roam

~317g

Power Adjustment

Dynavap 2021 Omni

Manual

G Pen Roam

Digital Control

Choose Dynavap 2021 Omni if...

  • You want the lighter unit for carrying and travel.
  • You prefer a hybrid heating profile.
  • Your usage leans toward analog and hybrid sessions.

Typical price

$198

Sold by The Stash Shack

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Choose G Pen Roam if...

  • You want the lower listed entry price ($100 vs $198).
  • You care about faster heat-up time for quicker sessions.
  • You prefer a conduction heating profile.
  • Your usage leans toward electronic and concentrates sessions.

Lowest price

$49.95

at G Pen

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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.

24 differ 1 shared
SpecificationDynavap 2021 OmniG Pen Roam
Price (USD) $198$100
Device Type PortablePortable
Heating Type HybridConduction
Heat Up Time Depending on the heat source, ~15 seconds~5 seconds
Temperature Range 204°C - 427°C (400°F - 800°F)
Chamber Capacity ~0.1g
Battery Type NoneInternal
Battery Capacity N/A1300mAh
Battery Life N/A15-20 sessions
Charging N/AMicro-USB
Charge Time N/A~2 hours
Weight ~17 grams~317g
Power Adjustment ManualDigital Control
Chamber Material TitaniumQuartz
Concentrate Support Yes
Brand DynaVapGrenco Science
Adjustable Airflow YesNo
Body Material Mostly titanium with high heat silicone seals
Country of Manufacture United States (USA)
Display Type LED
Haptic Feedback Yes
Length 109mm
Release Date 20212020
Session Style On-Demand
Warranty Lifetime1 year

Comparison FAQs

What is the biggest difference between the Dynavap 2021 Omni and the G Pen Roam?

The biggest practical difference is heating approach: Dynavap 2021 Omni runs hybrid while G Pen Roam runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.

Which is cheaper, the Dynavap 2021 Omni or the G Pen Roam?

G Pen Roam is the cheaper option at $100 compared with $198 for the Dynavap 2021 Omni, about $98 less. Live retailer pricing can shift, so confirm before buying.

Which heats up faster, the Dynavap 2021 Omni or the G Pen Roam?

G Pen Roam reaches session-ready temperature in ~5 seconds, while the Dynavap 2021 Omni takes Depending on the heat source, ~15 seconds. That's roughly 10 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 Dynavap 2021 Omni and the G Pen Roam?

Dynavap 2021 Omni uses hybrid heating, while the G Pen Roam uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Which is lighter, the Dynavap 2021 Omni or the G Pen Roam?

Dynavap 2021 Omni is the lighter unit at ~17 grams, around 300g 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 Dynavap 2021 Omni or the G Pen Roam?

Dynavap 2021 Omni controls heat with manual, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.

What battery life can I expect from the Dynavap 2021 Omni and the G Pen Roam?

Dynavap 2021 Omni's spec sheet lists N/A; the G Pen Roam lists 15-20 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.

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