Price (USD)
G Pen Roam edgeG Pen Roam
$200
PAX FLOW
$350
G Pen Roam is typically around $150 lower.
Vaporizer Comparison
G Pen Roam
PAX FLOW
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam and PAX FLOW are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $200, around $150 below PAX FLOW. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
17
Different Specs
17
Shared Specs
0
Overall Overlap
0%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
PAX FLOW
$350
G Pen Roam is typically around $150 lower.
G Pen Roam
~5 seconds
PAX FLOW
30-45 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
—
PAX FLOW
135 grams
Weight is close enough that portability is likely similar.
G Pen Roam
Conduction
PAX FLOW
Hybrid (conduction + convection)
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
PAX FLOW
$350
Device Type
G Pen Roam
—
PAX FLOW
Portable
Heating Type
G Pen Roam
Conduction
PAX FLOW
Hybrid (conduction + convection)
Heat Up Time
G Pen Roam
~5 seconds
PAX FLOW
30-45 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
PAX FLOW
180°C - 225°C (356°F - 437°F)
Chamber Capacity
G Pen Roam
—
PAX FLOW
0.25g - 0.35g
Battery Capacity
G Pen Roam
1300mAh
PAX FLOW
2000mAh (internal)
Charging
G Pen Roam
Micro-USB
PAX FLOW
—
Charge Time
G Pen Roam
~2 hours
PAX FLOW
~20 minutes to 50%, ~40 minutes to full (USB-C)
Dimensions
G Pen Roam
—
PAX FLOW
107mm x 34.5mm x 29mm
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | PAX FLOW |
|---|---|---|
| Price (USD) | $200 | $350 |
| Device Type | — | Portable |
| Heating Type | Conduction | Hybrid (conduction + convection) |
| Heat Up Time | ~5 seconds | 30-45 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 180°C - 225°C (356°F - 437°F) |
| Chamber Capacity | — | 0.25g - 0.35g |
| Battery Capacity | 1300mAh | 2000mAh (internal) |
| Charging | Micro-USB | — |
| Charge Time | ~2 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 | Five petal modes + Bong Mode |
| Brand | Grenco Science | PAX Labs |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Run Time | — | About 5-7 sessions per charge |
| Session Length | — | 8-minute timer |
The biggest practical difference is price tier: the G Pen Roam sits at $200 while the PAX FLOW is $350, a gap of about $150 that puts them in different buying brackets.
G Pen Roam is the cheaper option at $200 compared with $350 for the PAX FLOW, about $150 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the PAX FLOW takes 30-45 seconds. That's roughly 33 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam 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.
G Pen Roam controls heat with digital control, while the PAX FLOW uses five petal modes + bong mode. G Pen Roam gives you finer per-degree control.
PAX FLOW fully charges in ~20 minutes to 50%, ~40 minutes to full (USB-C), ahead of ~2 hours on the G Pen Roam.
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 Roam is more conspicuous in hand and harder to keep out of sight.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.