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 vs XMAX Starry V3
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
VS
XMAX Starry V3
XMAX $100
Editorial Summary
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
27
Different Specs
21
Shared Specs
6
Overall Overlap
22%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeG Pen Roam
~5 seconds
XMAX Starry V3
~30 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
XMAX Starry V3 edgeG Pen Roam
~317g
XMAX Starry V3
120g
XMAX Starry V3 is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
XMAX Starry V3
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
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
Internal
XMAX Starry V3
18650
Battery Capacity
G Pen Roam
1300mAh
XMAX Starry V3
2900mAh
Battery Life
G Pen Roam
15-20 sessions
XMAX Starry V3
60-80 minutes
Charge Time
G Pen Roam
~2 hours
XMAX Starry V3
90-120 minutes
Dimensions
G Pen Roam
178x127x102mm
XMAX Starry V3
11 x 3.5 x 2.4 cm
Weight
G Pen Roam
~317g
XMAX Starry V3
120g
Power Adjustment
G Pen Roam
Digital Control
XMAX Starry V3
Digital (precise)
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward concentrates sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Choose XMAX Starry V3 if...
- You want the lower listed entry price ($100 vs $200).
- You want the lighter unit for carrying and travel.
- Your usage leans toward conduction and budget sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
21 differ 6 shared
| Specification | G Pen Roam | XMAX Starry V3 |
|---|---|---|
| Price (USD) | $200 | $100 |
| Device Type | Portable | Portable |
| 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 |
| Chamber Capacity | — | 0.3g |
| Battery Type | Internal | 18650 |
| Battery Capacity | 1300mAh | 2900mAh |
| Battery Life | 15-20 sessions | 60-80 minutes |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | 90-120 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | 178x127x102mm | 11 x 3.5 x 2.4 cm |
| Weight | ~317g | 120g |
| Power Adjustment | Digital Control | Digital (precise) |
| Chamber Material | Quartz | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | XMAX |
| Adjustable Airflow | No | No |
| Country of Manufacture | — | China |
| Display Type | LED | OLED |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2020 | 2019 |
| Replaceable Battery | — | Yes |
| Session Style | — | Session |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the XMAX Starry V3?
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.
Which is cheaper, the G Pen Roam or the XMAX Starry V3?
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.
Which heats up faster, the G Pen Roam or the XMAX Starry V3?
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.
Which is lighter, the G Pen Roam or the XMAX Starry V3?
XMAX Starry V3 is the lighter unit at 120g, around 197g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Can I swap the batteries on the G Pen Roam or the XMAX Starry V3?
XMAX Starry V3 uses 18650, so you can carry spares for back-to-back days. The G Pen Roam has a built-in battery you can't swap on the go.
Which charges faster, the G Pen Roam or the XMAX Starry V3?
XMAX Starry V3 fully charges in 90-120 minutes, ahead of ~2 hours on the G Pen Roam.
Which is more discreet, the G Pen Roam or the XMAX Starry V3?
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.
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