Price (USD)
XMAX OONT edgeG Pen Roam
$200
XMAX OONT
$50
XMAX OONT is typically around $150 lower.
Vaporizer Comparison
G Pen Roam
XMAX OONT
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam and XMAX OONT are both portable / electronic vaporizers, but they target different priorities. XMAX OONT is usually the lower-cost pick at $50, around $150 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
16
Different Specs
15
Shared Specs
1
Overall Overlap
6%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
XMAX OONT
$50
XMAX OONT is typically around $150 lower.
G Pen Roam
~5 seconds
XMAX OONT
~20 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
Conduction
XMAX OONT
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
XMAX OONT
$50
Heat Up Time
G Pen Roam
~5 seconds
XMAX OONT
~20 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
XMAX OONT
180℃-220℃ (356℉-428℉)
Battery Type
G Pen Roam
—
XMAX OONT
Internal 18500
Battery Capacity
G Pen Roam
1300mAh
XMAX OONT
1500mAh
Charging
G Pen Roam
Micro-USB
XMAX OONT
USB-C
Charge Time
G Pen Roam
~2 hours
XMAX OONT
—
Dimensions
G Pen Roam
—
XMAX OONT
51.14 x 27.40 x 74.5mm
Power Adjustment
G Pen Roam
Digital Control
XMAX OONT
—
Brand
G Pen Roam
Grenco Science
XMAX OONT
—
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | XMAX OONT |
|---|---|---|
| Price (USD) | $200 | $50 |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | ~20 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 180℃-220℃ (356℉-428℉) |
| Battery Type | — | Internal 18500 |
| Battery Capacity | 1300mAh | 1500mAh |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | — |
| Dimensions | — | 51.14 x 27.40 x 74.5mm |
| Power Adjustment | Digital Control | — |
| Brand | Grenco Science | — |
| Chamber Material | — | Stainless Steel |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | No |
The biggest practical difference is price tier: the XMAX OONT sits at $50 while the G Pen Roam is $200, a gap of about $150 that puts them in different buying brackets.
XMAX OONT is the cheaper option at $50 compared with $200 for the G Pen Roam, about $150 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the XMAX OONT takes ~20 seconds. That's roughly 15 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
XMAX OONT 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.
XMAX OONT charges over USB-C; the G Pen Roam uses a Micro-USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.