Price (USD)
G Pen Roam edgeOG E-Nano
$200
G Pen Roam
$100
G Pen Roam is typically around $100 lower.
Vaporizer Comparison
OG E-Nano vs G Pen Roam
Side-by-side specs, pricing context, and clear decision guidance.
OG E-Nano
Epickai $200
VS
G Pen Roam
Grenco Science from $49.95
Editorial Summary
OG E-Nano and G Pen Roam solve similar use-cases with different tradeoffs. G Pen Roam is usually the lower-cost pick at $100, around $100 below OG E-Nano. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
25
Different Specs
25
Shared Specs
0
Overall Overlap
0%
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeOG E-Nano
2 Minutes
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
OG E-Nano edgeOG E-Nano
~113g
G Pen Roam
~317g
OG E-Nano is the lighter listed unit.
Heating Style
Close callOG E-Nano
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)
OG E-Nano
$200
G Pen Roam
$100
Device Type
OG E-Nano
Desktop
G Pen Roam
Portable
Heating Type
OG E-Nano
Convection
G Pen Roam
Conduction
Heat Up Time
OG E-Nano
2 Minutes
G Pen Roam
~5 seconds
Temperature Range
OG E-Nano
0-560°F
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Type
OG E-Nano
N/A
G Pen Roam
Internal
Charging
OG E-Nano
N/A
G Pen Roam
Micro-USB
Weight
OG E-Nano
~113g
G Pen Roam
~317g
Power Adjustment
OG E-Nano
Rotary Knob
G Pen Roam
Digital Control
Chamber Material
OG E-Nano
Glass
G Pen Roam
Quartz
Choose OG E-Nano if...
- You want the lighter unit for carrying and travel.
- You prefer a convection heating profile.
- Your usage leans toward desktop and convection sessions.
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $200).
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward portable and electronic 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.
25 differ 0 shared
| Specification | OG E-Nano | G Pen Roam |
|---|---|---|
| Price (USD) | $200 | $100 |
| Device Type | Desktop | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | 2 Minutes | ~5 seconds |
| Temperature Range | 0-560°F | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | ~0.25g | — |
| Battery Type | N/A | Internal |
| Battery Capacity | — | 1300mAh |
| Battery Life | — | 15-20 sessions |
| Charging | N/A | Micro-USB |
| Charge Time | — | ~2 hours |
| Dimensions | 95x51x51mm | — |
| Weight | ~113g | ~317g |
| Power Adjustment | Rotary Knob | Digital Control |
| Chamber Material | Glass | Quartz |
| Concentrate Support | — | Yes |
| Brand | Epickai | Grenco Science |
| Adjustable Airflow | — | No |
| Country of Manufacture | United States (USA) | — |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Power Cable Length | 2.5 Metres | — |
| Power Source | AC Power (110v) | — |
| Release Date | — | 2020 |
| Warranty | 3 years | 1 year |
Comparison FAQs
What is the biggest difference between the OG E-Nano and the G Pen Roam?
The biggest practical difference is price tier: the G Pen Roam sits at $100 while the OG E-Nano is $200, a gap of about $100 that puts them in different buying brackets.
Which is cheaper, the OG E-Nano or the G Pen Roam?
G Pen Roam is the cheaper option at $100 compared with $200 for the OG E-Nano, about $100 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the OG E-Nano or the G Pen Roam?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the OG E-Nano takes 2 Minutes. That's roughly 115 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 OG E-Nano and the G Pen Roam?
OG E-Nano 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 OG E-Nano or the G Pen Roam?
OG E-Nano is the lighter unit at ~113g, around 204g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Is the OG E-Nano or the G Pen Roam better for home versus on-the-go use?
G Pen Roam is the take-anywhere choice. It's a portable, battery-powered unit, while the OG E-Nano is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Can I set custom temperatures on the OG E-Nano or the G Pen Roam?
OG E-Nano controls heat with rotary knob, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.