Price (USD)
G Pen Hyer edgeG Pen Hyer
$150
PAX FLOW
$350
G Pen Hyer is typically around $200 lower.
Vaporizer Comparison
G Pen Hyer vs PAX FLOW
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
VS
PAX FLOW
PAX Labs from $279.95
Editorial Summary
G Pen Hyer and PAX FLOW are both portable / electronic vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $200 below PAX FLOW. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
21
Shared Specs
3
Overall Overlap
13%
Shared Traits
Portable Electronic Premium
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Hyer
Conduction
PAX FLOW
Hybrid (conduction + 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 Hyer
$150
PAX FLOW
$350
Heating Type
G Pen Hyer
Conduction
PAX FLOW
Hybrid (conduction + convection)
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
PAX FLOW
180°C - 225°C (356°F - 437°F)
Chamber Capacity
G Pen Hyer
~0.5g
PAX FLOW
0.25g - 0.35g
Battery Type
G Pen Hyer
External Battery Pack
PAX FLOW
Internal
Battery Capacity
G Pen Hyer
6000mAh
PAX FLOW
2000mAh (internal)
Charge Time
G Pen Hyer
2.5 - 3 hours
PAX FLOW
~20 minutes to 50%, ~40 minutes to full (USB-C)
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
PAX FLOW
Four petal modes + Bong Mode
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
PAX FLOW
Stainless Steel
Brand
G Pen Hyer
Grenco Science
PAX FLOW
PAX Labs
Choose G Pen Hyer if...
- You want the lower listed entry price ($150 vs $350).
- You prefer a conduction heating profile.
- Your usage leans toward conduction and concentrates sessions.
Current price
$249.99
at Slick Vapes
Choose PAX FLOW if...
- You prefer a hybrid (conduction + convection) heating profile.
- Your usage leans toward hybrid and discrete sessions.
- You prefer PAX FLOW's overall feature mix and form factor.
Lowest price
$279.95
at VPM
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.
21 differ 3 shared
| Specification | G Pen Hyer | PAX FLOW |
|---|---|---|
| Price (USD) | $150 | $350 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Hybrid (conduction + convection) |
| Heat Up Time | — | 30-45 seconds |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 180°C - 225°C (356°F - 437°F) |
| Chamber Capacity | ~0.5g | 0.25g - 0.35g |
| Battery Type | External Battery Pack | Internal |
| Battery Capacity | 6000mAh | 2000mAh (internal) |
| Battery Life | — | ~30 minutes (about 3 sessions) |
| Charging | USB-C | USB-C |
| Charge Time | 2.5 - 3 hours | ~20 minutes to 50%, ~40 minutes to full (USB-C) |
| Dimensions | — | 107mm x 34.5mm x 29mm |
| Weight | — | 135 grams |
| Power Adjustment | Digital Control - 5 Stage Modular | Four petal modes + Bong Mode |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | Stainless Steel |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | PAX Labs |
| Adjustable Airflow | — | No |
| Display Type | LED Light User Interface | — |
| Haptic Feedback | No | — |
| Heating Element | Stainless Steel | — |
| Release Date | 2022 | 2025 |
| Session Style | Session | Session |
| Warranty | — | 2 years (4 with registration) |
Comparison FAQs
What is the biggest difference between the G Pen Hyer and the PAX FLOW?
The biggest practical difference is price tier: the G Pen Hyer sits at $150 while the PAX FLOW is $350, a gap of about $200 that puts them in different buying brackets.
Which is cheaper, the G Pen Hyer or the PAX FLOW?
G Pen Hyer is the cheaper option at $150 compared with $350 for the PAX FLOW, about $200 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Hyer and the PAX FLOW?
G Pen Hyer uses conduction heating, while the PAX FLOW uses hybrid (conduction + convection). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the G Pen Hyer or the PAX FLOW hold more flower?
G Pen Hyer has the larger chamber at ~0.5g, versus 0.25g - 0.35g on the PAX FLOW. 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 Hyer or the PAX FLOW?
G Pen Hyer controls heat with digital control - 5 stage modular, while the PAX FLOW uses four petal modes + bong mode. G Pen Hyer gives you finer per-degree control.
Which charges faster, the G Pen Hyer or the PAX FLOW?
PAX FLOW fully charges in ~20 minutes to 50%, ~40 minutes to full (USB-C), ahead of 2.5 - 3 hours on the G Pen Hyer.
Which is more discreet, the G Pen Hyer or the PAX FLOW?
PAX FLOW is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Hyer 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.