Price (USD)
G Pen Pro edgeG Pen Pro
$90
Vaporbrothers VB1
$300
G Pen Pro is typically around $210 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Pro
Grenco Science $90
Vaporbrothers VB1
Vaporbrothers $300
G Pen Pro and Vaporbrothers VB1 are both convection / electronic vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $210 below Vaporbrothers VB1. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
16
Different Specs
15
Shared Specs
1
Overall Overlap
6%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Pro
$90
Vaporbrothers VB1
$300
G Pen Pro is typically around $210 lower.
G Pen Pro
Convection
Vaporbrothers VB1
Convection
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Pro
$90
Vaporbrothers VB1
$300
Device Type
G Pen Pro
Portable
Vaporbrothers VB1
Desktop
Chamber Capacity
G Pen Pro
~0.25 grams
Vaporbrothers VB1
0.5g
Battery Type
G Pen Pro
Internal
Vaporbrothers VB1
N/A
Charging
G Pen Pro
Micro-USB
Vaporbrothers VB1
N/A
Power Adjustment
G Pen Pro
Modular - 3 Stages
Vaporbrothers VB1
Single Dial
Chamber Material
G Pen Pro
Ceramic
Vaporbrothers VB1
Glass
Brand
G Pen Pro
Grenco Science
Vaporbrothers VB1
Vaporbrothers
Release Date
G Pen Pro
2017
Vaporbrothers VB1
1999
Warranty
G Pen Pro
1 year
Vaporbrothers VB1
Lifetime
Direct comparison of every spec from each device profile.
| Specification | G Pen Pro | Vaporbrothers VB1 |
|---|---|---|
| Price (USD) | $90 | $300 |
| Device Type | Portable | Desktop |
| Heating Type | Convection | Convection |
| Heat Up Time | ~30 seconds | — |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | — |
| Chamber Capacity | ~0.25 grams | 0.5g |
| Battery Type | Internal | N/A |
| Battery Capacity | 2200mAh | — |
| Charging | Micro-USB | N/A |
| Charge Time | <3 hours | — |
| Power Adjustment | Modular - 3 Stages | Single Dial |
| Chamber Material | Ceramic | Glass |
| Brand | Grenco Science | Vaporbrothers |
| Release Date | 2017 | 1999 |
| Session Style | Session | — |
| Warranty | 1 year | Lifetime |
The biggest practical difference is price tier: the G Pen Pro sits at $90 while the Vaporbrothers VB1 is $300, a gap of about $210 that puts them in different buying brackets.
G Pen Pro is the cheaper option at $90 compared with $300 for the Vaporbrothers VB1, about $210 less. Live retailer pricing can shift, so confirm before buying.
Vaporbrothers VB1 has the larger chamber at 0.5g, 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.
G Pen Pro is the take-anywhere choice. It's a portable, battery-powered unit, while the Vaporbrothers VB1 is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Vaporbrothers VB1 is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.