Price (USD)
G Pen Roam edgeG Pen Roam
$200
PAX 3
$250
G Pen Roam is typically around $50 lower.
Vaporizer Comparison
G Pen Roam vs PAX 3
G Pen Roam
VS
PAX 3
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
G Pen Roam and PAX 3 are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $200, around $50 below PAX 3. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
16
Different Specs
15
Shared Specs
1
Overall Overlap
6%
Shared Traits
Portable Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeG Pen Roam
~5 seconds
PAX 3
<30 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
Close callG Pen Roam
—
PAX 3
~93 grams
Weight is close enough that portability is likely similar.
Heating Style
Close callG Pen Roam
Conduction
PAX 3
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
vs
PAX 3
$250
Device Type
G Pen Roam
—
vs
PAX 3
Portable
Heat Up Time
G Pen Roam
~5 seconds
vs
PAX 3
<30 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
vs
PAX 3
182°C - 215°C (260°F - 420°F)
Chamber Capacity
G Pen Roam
—
vs
PAX 3
<0.35 grams
Battery Capacity
G Pen Roam
1300mAh
vs
PAX 3
3500mAh
Charging
G Pen Roam
Micro-USB
vs
PAX 3
—
Charge Time
G Pen Roam
~2 hours
vs
PAX 3
~90 minutes
Bluetooth / App
G Pen Roam
—
vs
PAX 3
Yes
Dimensions
G Pen Roam
—
vs
PAX 3
98mm x 31mm x 22mm
Choose G Pen Roam if...
- You want the lower listed entry price ($200 vs $250).
- You care about faster heat-up time for quicker sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Choose PAX 3 if...
- Your usage leans toward conduction and discrete sessions.
- You prefer PAX 3's overall feature mix and form factor.
- You prefer PAX 3's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
15 differ 1 shared
| Specification | G Pen Roam | PAX 3 |
|---|---|---|
| Price (USD) | $200 | $250 |
| Device Type | — | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | <30 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 182°C - 215°C (260°F - 420°F) |
| Chamber Capacity | — | <0.35 grams |
| Battery Capacity | 1300mAh | 3500mAh |
| Charging | Micro-USB | — |
| Charge Time | ~2 hours | ~90 minutes |
| Bluetooth / App | — | Yes |
| Dimensions | — | 98mm x 31mm x 22mm |
| Weight | — | ~93 grams |
| Power Adjustment | Digital Control | Modular - 4 stages |
| Brand | Grenco Science | PAX Labs |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the PAX 3?
The biggest practical difference is heat-up speed: the G Pen Roam is ready in ~5 seconds versus <30 seconds on the PAX 3, which changes whether it feels on-demand or scheduled.
Which is cheaper, the G Pen Roam or the PAX 3?
G Pen Roam is the cheaper option at $200 compared with $250 for the PAX 3, about $50 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Roam or the PAX 3?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the PAX 3 takes <30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Does the G Pen Roam or the PAX 3 have a companion app?
Only the PAX 3 pairs with a companion app. The G Pen Roam relies entirely on its on-device controls.
Can I set custom temperatures on the G Pen Roam or the PAX 3?
G Pen Roam controls heat with digital control, while the PAX 3 uses modular - 4 stages. G Pen Roam gives you finer per-degree control.
Which charges faster, the G Pen Roam or the PAX 3?
PAX 3 fully charges in ~90 minutes, ahead of ~2 hours on the G Pen Roam.
Which is more discreet, the G Pen Roam or the PAX 3?
PAX 3 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.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.