Price (USD)
G Pen Pro edgeG Pen Pro
$90
PAX FOUR
$250
G Pen Pro is typically around $160 lower.
Vaporizer Comparison
G Pen Pro vs PAX FOUR
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Pro
Grenco Science $90
VS
PAX FOUR
PAX Labs $250
Editorial Summary
G Pen Pro and PAX FOUR are both portable / electronic vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $160 below PAX FOUR. G Pen Pro has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
21
Shared Specs
2
Overall Overlap
9%
Shared Traits
Portable 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
PAX FOUR
55-70 seconds
G Pen Pro has the quicker listed heat-up profile.
Heating Style
Close callG Pen Pro
Convection
PAX FOUR
Hybrid (conduction and convection)
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Pro
$90
PAX FOUR
$250
Heating Type
G Pen Pro
Convection
PAX FOUR
Hybrid (conduction and convection)
Heat Up Time
G Pen Pro
~30 seconds
PAX FOUR
55-70 seconds
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
PAX FOUR
190-220°C (374-428°F)
Chamber Capacity
G Pen Pro
~0.25 grams
PAX FOUR
~0.3g
Battery Type
G Pen Pro
Internal
PAX FOUR
Internal lithium-ion
Battery Capacity
G Pen Pro
2200mAh
PAX FOUR
2800mAh
Charging
G Pen Pro
Micro-USB
PAX FOUR
USB-C
Charge Time
G Pen Pro
<3 hours
PAX FOUR
~90 minutes
Power Adjustment
G Pen Pro
Modular - 3 Stages
PAX FOUR
Four preset heat modes (purple, green, yellow, orange)
Choose G Pen Pro if...
- You want the lower listed entry price ($90 vs $250).
- You care about faster heat-up time for quicker sessions.
- You prefer a convection heating profile.
- Your usage leans toward budget and convection sessions.
Choose PAX FOUR if...
- You prefer a hybrid (conduction and convection) heating profile.
- Your usage leans toward hybrid and discrete sessions.
- You prefer PAX FOUR's overall feature mix and form factor.
Typical price
$250
Sold by The Stash Shack
Prices are read automatically from retailer pages; 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.
21 differ 2 shared
| Specification | G Pen Pro | PAX FOUR |
|---|---|---|
| Price (USD) | $90 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Hybrid (conduction and convection) |
| Heat Up Time | ~30 seconds | 55-70 seconds |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 190-220°C (374-428°F) |
| Chamber Capacity | ~0.25 grams | ~0.3g |
| Battery Type | Internal | Internal lithium-ion |
| Battery Capacity | 2200mAh | 2800mAh |
| Battery Life | — | Up to 5 sessions, about 50 minutes of run time |
| Charging | Micro-USB | USB-C |
| Charge Time | <3 hours | ~90 minutes |
| Dimensions | — | 108 x 36 x 29mm |
| Weight | — | 125 grams |
| Power Adjustment | Modular - 3 Stages | Four preset heat modes (purple, green, yellow, orange) |
| Chamber Material | Ceramic | Stainless steel |
| Concentrate Support | — | No (not compatible with the PAX Concentrate Insert) |
| Brand | Grenco Science | PAX Labs |
| Adjustable Airflow | — | No (flat and raised mouthpieces change the draw) |
| Display Type | — | LED petals |
| Manufacturer | — | PAX Labs, Inc (model X410) |
| Release Date | 2017 | 2026 |
| Session Style | Session | Session |
| Warranty | 1 year | 2 years, plus 1 year when registered within 30 days |
Comparison FAQs
What is the biggest difference between the G Pen Pro and the PAX FOUR?
The biggest practical difference is price tier: the G Pen Pro sits at $90 while the PAX FOUR is $250, a gap of about $160 that puts them in different buying brackets.
Which is cheaper, the G Pen Pro or the PAX FOUR?
G Pen Pro is the cheaper option at $90 compared with $250 for the PAX FOUR, about $160 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Pro or the PAX FOUR?
G Pen Pro reaches session-ready temperature in ~30 seconds, while the PAX FOUR takes 55-70 seconds. That's roughly 33 seconds quicker on the G Pen Pro, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the G Pen Pro and the PAX FOUR?
G Pen Pro uses convection heating, while the PAX FOUR uses hybrid (conduction and convection). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the G Pen Pro or the PAX FOUR hold more flower?
PAX FOUR has the larger chamber at ~0.3g, 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.
Which charges faster, the G Pen Pro or the PAX FOUR?
PAX FOUR fully charges in ~90 minutes, ahead of <3 hours on the G Pen Pro.
Which is more discreet, the G Pen Pro or the PAX FOUR?
PAX FOUR is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Pro is more conspicuous in hand and harder to keep out of sight.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.