Price (USD)
G Pen Pro edgeG Pen Pro
$90
Volcano Classic
$450
G Pen Pro is typically around $360 lower.
Vaporizer Comparison
G Pen Pro vs Volcano Classic
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Pro
Grenco Science $90
VS
Volcano Classic
Storz & Bickel $450
Editorial Summary
G Pen Pro and Volcano Classic are both convection / electronic vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $360 below Volcano Classic. G Pen Pro has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
20
Different Specs
18
Shared Specs
2
Overall Overlap
10%
Shared Traits
Convection Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Pro edgeG Pen Pro
~30 seconds
Volcano Classic
3.5 - 6 minutes
G Pen Pro has the quicker listed heat-up profile.
Heating Style
Close callG Pen Pro
Convection
Volcano Classic
Convection
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Pro
$90
Volcano Classic
$450
Device Type
G Pen Pro
Portable
Volcano Classic
Desktop
Heat Up Time
G Pen Pro
~30 seconds
Volcano Classic
3.5 - 6 minutes
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
Volcano Classic
350°F - 446°F
Chamber Capacity
G Pen Pro
~0.25 grams
Volcano Classic
~0.6g
Battery Type
G Pen Pro
Internal
Volcano Classic
N/A
Charging
G Pen Pro
Micro-USB
Volcano Classic
N/A
Power Adjustment
G Pen Pro
Modular - 3 Stages
Volcano Classic
Modular - 9 stages
Chamber Material
G Pen Pro
Ceramic
Volcano Classic
Ceramic-Coated
Brand
G Pen Pro
Grenco Science
Volcano Classic
Storz & Bickel
Choose G Pen Pro if...
- You want the lower listed entry price ($90 vs $450).
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward portable and budget sessions.
Choose Volcano Classic if...
- Your usage leans toward desktop sessions.
- You prefer Volcano Classic's overall feature mix and form factor.
- You value how the Volcano Classic balances size, controls, and everyday practicality.
Spec Comparison Table
Direct comparison of every spec from each device profile.
18 differ 2 shared
| Specification | G Pen Pro | Volcano Classic |
|---|---|---|
| Price (USD) | $90 | $450 |
| Device Type | Portable | Desktop |
| Heating Type | Convection | Convection |
| Heat Up Time | ~30 seconds | 3.5 - 6 minutes |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 350°F - 446°F |
| Chamber Capacity | ~0.25 grams | ~0.6g |
| Battery Type | Internal | N/A |
| Battery Capacity | 2200mAh | — |
| Charging | Micro-USB | N/A |
| Charge Time | <3 hours | — |
| Dimensions | — | 18cm x 20cm |
| Weight | — | ~1.6 kg |
| Power Adjustment | Modular - 3 Stages | Modular - 9 stages |
| Chamber Material | Ceramic | Ceramic-Coated |
| Brand | Grenco Science | Storz & Bickel |
| Country of Manufacture | — | Germany |
| Power | — | 110V/220V AC |
| Release Date | 2017 | 2000 |
| Session Style | Session | Session |
| Warranty | 1 year | 2 years |
Comparison FAQs
What is the biggest difference between the G Pen Pro and the Volcano Classic?
The biggest practical difference is price tier: the G Pen Pro sits at $90 while the Volcano Classic is $450, a gap of about $360 that puts them in different buying brackets.
Which is cheaper, the G Pen Pro or the Volcano Classic?
G Pen Pro is the cheaper option at $90 compared with $450 for the Volcano Classic, about $360 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Pro or the Volcano Classic?
G Pen Pro reaches session-ready temperature in ~30 seconds, while the Volcano Classic takes 3.5 - 6 minutes. That's roughly 255 seconds quicker on the G Pen Pro, which is useful if you want shorter, on-demand sessions.
Does the G Pen Pro or the Volcano Classic hold more flower?
Volcano Classic has the larger chamber at ~0.6g, versus ~0.25 grams on the G Pen Pro. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Is the G Pen Pro or the Volcano Classic better for home versus on-the-go use?
G Pen Pro is the take-anywhere choice. It's a portable, battery-powered unit, while the Volcano Classic is built for home use, where bigger heaters, AC power, and larger chambers make sense.
How similar are the G Pen Pro and the Volcano Classic?
Across the 20 specs we line up, they share 2 and differ on 18, an overlap of about 10%. 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.