Price (USD)
Close callCAT
$199
G Pen Roam
$200
Pricing is very close between both devices.
Vaporizer Comparison
CAT vs G Pen Roam
Side-by-side specs, pricing context, and clear decision guidance.
CAT
End Game Labs $199
VS
G Pen Roam
Grenco Science $200
Editorial Summary
CAT and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($199 vs $200). G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
19
Shared Specs
4
Overall Overlap
17%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeCAT
~30 seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
CAT edgeCAT
200g
G Pen Roam
~317g
CAT is the lighter listed unit.
Heating Style
Close callCAT
Convection
G Pen Roam
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
CAT
$199
G Pen Roam
$200
Heating Type
CAT
Convection
G Pen Roam
Conduction
Heat Up Time
CAT
~30 seconds
G Pen Roam
~5 seconds
Temperature Range
CAT
Up to 230°C
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Type
CAT
Swappable 21700
G Pen Roam
Internal
Battery Capacity
CAT
4000mAh
G Pen Roam
1300mAh
Battery Life
CAT
~50 minutes
G Pen Roam
15-20 sessions
Charging
CAT
USB-C
G Pen Roam
Micro-USB
Charge Time
CAT
~2.5 hours
G Pen Roam
~2 hours
Dimensions
CAT
104x60x33mm
G Pen Roam
178x127x102mm
Choose CAT if...
- You want the lighter unit for carrying and travel.
- You prefer a convection heating profile.
- Your usage leans toward convection and ball vape sessions.
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward concentrates sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
19 differ 4 shared
| Specification | CAT | G Pen Roam |
|---|---|---|
| Price (USD) | $199 | $200 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~5 seconds |
| Temperature Range | Up to 230°C | 204°C - 427°C (400°F - 800°F) |
| Battery Type | Swappable 21700 | Internal |
| Battery Capacity | 4000mAh | 1300mAh |
| Battery Life | ~50 minutes | 15-20 sessions |
| Charging | USB-C | Micro-USB |
| Charge Time | ~2.5 hours | ~2 hours |
| Dimensions | 104x60x33mm | 178x127x102mm |
| Weight | 200g | ~317g |
| Power Adjustment | Digital Control | Digital Control |
| Chamber Material | — | Quartz |
| Concentrate Support | — | Yes |
| Brand | End Game Labs | Grenco Science |
| Adjustable Airflow | — | No |
| Display Type | — | LED |
| Haptic Feedback | Yes | Yes |
| Joint Size | 14mm / 18mm | — |
| Release Date | — | 2020 |
| Session Style | Both | — |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the CAT and the G Pen Roam?
The biggest practical difference is heating approach: CAT runs convection while G Pen Roam runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which heats up faster, the CAT or the G Pen Roam?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the CAT takes ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the CAT and the G Pen Roam?
CAT uses convection heating, while the G Pen Roam uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the CAT or the G Pen Roam?
CAT is the lighter unit at 200g, around 117g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Which is cheaper, the CAT or the G Pen Roam?
Listed prices are close: $199 for the CAT versus $200 for the G Pen Roam. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I swap the batteries on the CAT or the G Pen Roam?
CAT uses swappable 21700, so you can carry spares for back-to-back days. The G Pen Roam has a built-in battery you can't swap on the go.
Which charges faster, the CAT or the G Pen Roam?
G Pen Roam fully charges in ~2 hours, ahead of ~2.5 hours on the CAT.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.