Price (USD)
Close callOG E-Nano
$200
G Pen Roam
$200
Pricing is very close between both devices.
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 $200
Editorial Summary
OG E-Nano and G Pen Roam solve similar use-cases with different tradeoffs. Their listed prices are close ($200 vs $200). G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
25
Different Specs
24
Shared Specs
1
Overall Overlap
4%
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.
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
Dimensions
OG E-Nano
95x51x51mm
G Pen Roam
178x127x102mm
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 care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward portable and electronic sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
24 differ 1 shared
| Specification | OG E-Nano | G Pen Roam |
|---|---|---|
| Price (USD) | $200 | $200 |
| 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 | 178x127x102mm |
| 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 form factor: these aren't the same kind of device. OG E-Nano is a desktop, G Pen Roam is a portable. Pick based on whether you want something portable or something stationary.
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.
Which is cheaper, the OG E-Nano or the G Pen Roam?
Listed prices are close: $200 for the OG E-Nano versus $200 for the G Pen Roam. Day-to-day price will likely come down to whichever retailer is running a promotion.
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.