Price (USD)
G Pen Roam edgeG Pen Roam
$100
Utillian 722
$170
G Pen Roam is typically around $70 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
Utillian 722
Utillian $170
G Pen Roam and Utillian 722 are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $70 below Utillian 722. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
18
Shared Specs
5
Overall Overlap
22%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$100
Utillian 722
$170
G Pen Roam is typically around $70 lower.
G Pen Roam
~5 seconds
Utillian 722
~30 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
~317g
Utillian 722
180g
Utillian 722 is the lighter listed unit.
G Pen Roam
Conduction
Utillian 722
Convection
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$100
Utillian 722
$170
Heating Type
G Pen Roam
Conduction
Utillian 722
Convection
Heat Up Time
G Pen Roam
~5 seconds
Utillian 722
~30 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Utillian 722
180°C - 225°C
Battery Capacity
G Pen Roam
1300mAh
Utillian 722
2300mAh
Battery Life
G Pen Roam
15-20 sessions
Utillian 722
~60 minutes
Weight
G Pen Roam
~317g
Utillian 722
180g
Power Adjustment
G Pen Roam
Digital Control
Utillian 722
Modular - 5 stage
Chamber Material
G Pen Roam
Quartz
Utillian 722
Aluminum
Brand
G Pen Roam
Grenco Science
Utillian 722
Utillian
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.
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | Utillian 722 |
|---|---|---|
| Price (USD) | $100 | $170 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~5 seconds | ~30 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 180°C - 225°C |
| Chamber Capacity | — | <0.4 grams |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 2300mAh |
| Battery Life | 15-20 sessions | ~60 minutes |
| Charging | Micro-USB | Micro-USB |
| Charge Time | ~2 hours | ~2 hours |
| Dimensions | — | 111x58x28mm |
| Weight | ~317g | 180g |
| Power Adjustment | Digital Control | Modular - 5 stage |
| Chamber Material | Quartz | Aluminum |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Utillian |
| Adjustable Airflow | No | — |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | — |
| Session Style | — | Session |
| Warranty | 1 year | 1 year |
The biggest practical difference is heating approach: G Pen Roam runs conduction while Utillian 722 runs convection. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
G Pen Roam is the cheaper option at $100 compared with $170 for the Utillian 722, about $70 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Utillian 722 takes ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam uses conduction heating, while the Utillian 722 uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Utillian 722 is the lighter unit at 180g, around 137g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
G Pen Roam controls heat with digital control, while the Utillian 722 uses modular - 5 stage. G Pen Roam gives you finer per-degree control.
Utillian 722 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.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.