Price (USD)
G Pen Roam edgeCAT
$199
G Pen Roam
$100
G Pen Roam is typically around $99 lower.
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 from $49.95
Editorial Summary
CAT and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $99 below CAT. 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
$100
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
Weight
CAT
200g
G Pen Roam
~317g
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 want the lower listed entry price ($100 vs $199).
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward concentrates sessions.
Lowest price
$49.95
at G Pen
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.
19 differ 4 shared
| Specification | CAT | G Pen Roam |
|---|---|---|
| Price (USD) | $199 | $100 |
| 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 | — |
| 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 is cheaper, the CAT or the G Pen Roam?
G Pen Roam is the cheaper option at $100 compared with $199 for the CAT, about $99 less. Live retailer pricing can shift, so confirm before buying.
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.
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.