Price (USD)
XMAX Starry V3 edgeG Pen Roam
$200
XMAX Starry V3
$100
XMAX Starry V3 is typically around $100 lower.


Side-by-side vaporizer comparison including specs, pricing context, and 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
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 shared and unique specifications from each device profile. (15 differences, 3 overlaps)
| Specification | G Pen Roam | XMAX Starry V3 |
|---|---|---|
| Price (USD) diff | $200 | $100 |
| Heating Type | Conduction | Conduction |
| Heat Up Time diff | ~5 seconds | ~30 seconds |
| Temperature Range diff | 204°C - 427°C (400°F - 800°F) | 212°F - 464°F |
| Battery Type diff | — | 18650 |
| Battery Capacity diff | 1300mAh | 2900mAh |
| Battery Life diff | — | 60-80 minutes |
| Charging | Micro-USB | Micro USB |
| Charge Time diff | ~2 hours | 90-120 minutes |
| Pass-Through Charging diff | — | Yes |
| Dimensions diff | — | 11 x 3.5 x 2.4 cm |
| Power Adjustment diff | Digital Control | — |
| Brand diff | Grenco Science | — |
| Chamber Material diff | — | Ceramic |
| Display Type diff | LED | OLED |
| Haptic Feedback | Yes | Yes |
| Manufacturer diff | — | TopGreen Technology Co |
| Replaceable Battery diff | — | Yes |
Neither is universally better. G Pen Roam fits some priorities, while XMAX Starry V3 fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
XMAX Starry V3 is listed lower ($100) compared with G Pen Roam ($200), but live retailer pricing can change.
G Pen Roam has the faster listed heat-up time (~5 seconds) versus XMAX Starry V3 (~30 seconds).
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.