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Vaporizer Comparison

G Pen Pro vs Vapman Classic

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

G Pen Pro

G Pen Pro

Grenco Science $90

VS
Vapman Classic

Vapman Classic

Vapman from $163.85

Editorial Summary

G Pen Pro and Vapman Classic are both portable vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $60 below Vapman Classic. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.

Specs Compared

19

Different Specs

18

Shared Specs

1

Overall Overlap

5%

Shared Traits

Portable

Head-to-Head Highlights

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

Price (USD)

G Pen Pro edge

G Pen Pro

$90

Vapman Classic

$150

G Pen Pro is typically around $60 lower.

Heating Style

Close call

G Pen Pro

Convection

Vapman Classic

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)

G Pen Pro

$90

Vapman Classic

$150

Heating Type

G Pen Pro

Convection

Vapman Classic

Conduction

Temperature Range

G Pen Pro

190°C - 220°C (375°F - 428°F)

Vapman Classic

N/A

Chamber Capacity

G Pen Pro

~0.25 grams

Vapman Classic

~0.1g - 0.15g

Battery Type

G Pen Pro

Internal

Vapman Classic

None

Battery Capacity

G Pen Pro

2200mAh

Vapman Classic

N/A

Charging

G Pen Pro

Micro-USB

Vapman Classic

N/A

Charge Time

G Pen Pro

<3 hours

Vapman Classic

N/A

Power Adjustment

G Pen Pro

Modular - 3 Stages

Vapman Classic

Manual

Chamber Material

G Pen Pro

Ceramic

Vapman Classic

Gold-Plated Copper

Choose G Pen Pro if...

  • You want the lower listed entry price ($90 vs $150).
  • You prefer a convection heating profile.
  • Your usage leans toward budget and convection sessions.
View G Pen Pro Profile

Choose Vapman Classic if...

  • You prefer a conduction heating profile.
  • Your usage leans toward premium and conduction sessions.
  • You prefer Vapman Classic's overall feature mix and form factor.

Lowest price

$163.85

at The Stash Shack

Check price
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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.

18 differ 1 shared
SpecificationG Pen ProVapman Classic
Price (USD) $90$150
Device Type PortablePortable
Heating Type ConvectionConduction
Heat Up Time ~30 seconds
Temperature Range 190°C - 220°C (375°F - 428°F)N/A
Chamber Capacity ~0.25 grams~0.1g - 0.15g
Battery Type InternalNone
Battery Capacity 2200mAhN/A
Battery Life N/A
Charging Micro-USBN/A
Charge Time <3 hoursN/A
Power Adjustment Modular - 3 StagesManual
Chamber Material CeramicGold-Plated Copper
Brand Grenco ScienceVapman
Adjustable Airflow Yes
Country of Manufacture Italy
Release Date 20172021
Session Style SessionOn-Demand
Warranty 1 year2 years

Comparison FAQs

What is the biggest difference between the G Pen Pro and the Vapman Classic?

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

Which is cheaper, the G Pen Pro or the Vapman Classic?

G Pen Pro is the cheaper option at $90 compared with $150 for the Vapman Classic, about $60 less. Live retailer pricing can shift, so confirm before buying.

What's the difference in heating between the G Pen Pro and the Vapman Classic?

G Pen Pro uses convection heating, while the Vapman Classic uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Does the G Pen Pro or the Vapman Classic hold more flower?

G Pen Pro has the larger chamber at ~0.25 grams, versus ~0.1g - 0.15g on the Vapman Classic. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.

Can I set custom temperatures on the G Pen Pro or the Vapman Classic?

G Pen Pro controls heat with modular - 3 stages, while the Vapman Classic uses manual. Both let you change temperature, just with different levels of precision.

Is the G Pen Pro or the Vapman Classic better for microdosing?

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

Need a different matchup?

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