Price (USD)
XMAX Starry V3 edgeG Pen Roam
$200
XMAX Starry V3
$100
XMAX Starry V3 is typically around $100 lower.
Vaporizer Comparison
G Pen Roam
XMAX Starry V3
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam and XMAX Starry V3 are both portable / electronic vaporizers, but they target different priorities. XMAX Starry V3 is usually the lower-cost pick at $100, around $100 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
18
Different Specs
15
Shared Specs
3
Overall Overlap
17%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
XMAX Starry V3
$100
XMAX Starry V3 is typically around $100 lower.
G Pen Roam
~5 seconds
XMAX Starry V3
~30 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
Conduction
XMAX Starry V3
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
XMAX Starry V3
$100
Heat Up Time
G Pen Roam
~5 seconds
XMAX Starry V3
~30 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
XMAX Starry V3
212°F - 464°F
Battery Type
G Pen Roam
—
XMAX Starry V3
18650
Battery Capacity
G Pen Roam
1300mAh
XMAX Starry V3
2900mAh
Battery Life
G Pen Roam
—
XMAX Starry V3
60-80 minutes
Charge Time
G Pen Roam
~2 hours
XMAX Starry V3
90-120 minutes
Pass-Through Charging
G Pen Roam
—
XMAX Starry V3
Yes
Dimensions
G Pen Roam
—
XMAX Starry V3
11 x 3.5 x 2.4 cm
Power Adjustment
G Pen Roam
Digital Control
XMAX Starry V3
—
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | XMAX Starry V3 |
|---|---|---|
| Price (USD) | $200 | $100 |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | ~30 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 212°F - 464°F |
| Battery Type | — | 18650 |
| Battery Capacity | 1300mAh | 2900mAh |
| Battery Life | — | 60-80 minutes |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | 90-120 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | — | 11 x 3.5 x 2.4 cm |
| Power Adjustment | Digital Control | — |
| Brand | Grenco Science | — |
| Chamber Material | — | Ceramic |
| Display Type | LED | OLED |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | Yes |
The biggest practical difference is price tier: the XMAX Starry V3 sits at $100 while the G Pen Roam is $200, a gap of about $100 that puts them in different buying brackets.
XMAX Starry V3 is the cheaper option at $100 compared with $200 for the G Pen Roam, about $100 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the XMAX Starry V3 takes ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Yes, only the XMAX Starry V3 supports pass-through charging. The G Pen Roam has to finish charging before you can use it.
XMAX Starry V3 fully charges in 90-120 minutes, ahead of ~2 hours on the G Pen Roam.
XMAX Starry V3 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.
Across the 18 specs we line up, they share 3 and differ on 15, an overlap of about 17%. 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.