Price (USD)
XMAX Ace edgeG Pen Roam
$200
XMAX Ace
$110
XMAX Ace is typically around $90 lower.
Vaporizer Comparison
G Pen Roam
XMAX Ace
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam and XMAX Ace are both portable / electronic vaporizers, but they target different priorities. XMAX Ace is usually the lower-cost pick at $110, around $90 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
13
Shared Specs
3
Overall Overlap
19%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
XMAX Ace
$110
XMAX Ace is typically around $90 lower.
G Pen Roam
~5 seconds
XMAX Ace
~20 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
Conduction
XMAX Ace
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
XMAX Ace
$110
Heat Up Time
G Pen Roam
~5 seconds
XMAX Ace
~20 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
XMAX Ace
100°C - 255°C
Chamber Capacity
G Pen Roam
—
XMAX Ace
0.2-0.3g
Battery Type
G Pen Roam
—
XMAX Ace
18650
Battery Capacity
G Pen Roam
1300mAh
XMAX Ace
2600mAh
Battery Life
G Pen Roam
—
XMAX Ace
<10 sessions
Charge Time
G Pen Roam
~2 hours
XMAX Ace
—
Power Adjustment
G Pen Roam
Digital Control
XMAX Ace
—
Brand
G Pen Roam
Grenco Science
XMAX Ace
—
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | XMAX Ace |
|---|---|---|
| Price (USD) | $200 | $110 |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | ~20 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 100°C - 255°C |
| Chamber Capacity | — | 0.2-0.3g |
| Battery Type | — | 18650 |
| Battery Capacity | 1300mAh | 2600mAh |
| Battery Life | — | <10 sessions |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | — |
| Power Adjustment | Digital Control | — |
| Brand | Grenco Science | — |
| Display Type | LED | OLED |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | Yes |
There's no single headline gap. The differences are spread across 13 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
XMAX Ace is the cheaper option at $110 compared with $200 for the G Pen Roam, about $90 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the XMAX Ace takes ~20 seconds. That's roughly 15 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the XMAX Ace at 100°C - 255°C. A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Across the 16 specs we line up, they share 3 and differ on 13, an overlap of about 19%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.