Vaporizer Comparison

G Pen Roam vs XMAX Starry V3

G Pen Roam

G Pen Roam

VS
XMAX Starry V3

XMAX Starry V3

Side-by-side specs, pricing context, and clear decision guidance.

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

18

Different Specs

15

Shared Specs

3

Overall Overlap

17%

Shared Traits

Portable Electronic

Head-to-Head Highlights

A quick snapshot of the specs people usually care about first.

Price (USD)

XMAX Starry V3 edge

G Pen Roam

$200

XMAX Starry V3

$100

XMAX Starry V3 is typically around $100 lower.

Heat-Up Time

G Pen Roam edge

G Pen Roam

~5 seconds

XMAX Starry V3

~30 seconds

G Pen Roam has the quicker listed heat-up profile.

Heating Style

Close call

G 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.

10 differences

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

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.
View G Pen Roam Profile

Choose XMAX Starry V3 if...

  • You want the lower listed entry price ($100 vs $200).
  • Your usage leans toward conduction and budget sessions.
  • You prefer XMAX Starry V3's overall feature mix and form factor.
View XMAX Starry V3 Profile

Spec Comparison Table

Direct comparison of every spec from each device profile.

15 differ 3 shared
SpecificationG Pen RoamXMAX Starry V3
Price (USD) $200$100
Heating Type ConductionConduction
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 1300mAh2900mAh
Battery Life 60-80 minutes
Charging Micro-USBMicro USB
Charge Time ~2 hours90-120 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 LEDOLED
Haptic Feedback YesYes
Manufacturer TopGreen Technology Co
Replaceable Battery Yes

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.

Can I use the XMAX Starry V3 while charging?

Yes, only the XMAX Starry V3 supports pass-through charging. The G Pen Roam has to finish charging before you can use it.

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.

How similar are the G Pen Roam and the XMAX Starry V3?

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.

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