Price (USD)
Close callG Pen Pro
$90
XMAX Starry V3
$100
Pricing is very close between both devices.
Vaporizer Comparison
G Pen Pro vs XMAX Starry V3
G Pen Pro
VS
XMAX Starry V3
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
G Pen Pro and XMAX Starry V3 are both portable / budget vaporizers, but they target different priorities. Their listed prices are close ($90 vs $100). Heat-up speed is broadly similar between the two.
Specs Compared
19
Different Specs
16
Shared Specs
3
Overall Overlap
16%
Shared Traits
Portable Budget Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callG Pen Pro
~30 seconds
XMAX Starry V3
~30 seconds
Both devices are in a similar heat-up range.
Heating Style
Close callG Pen Pro
Convection
XMAX Starry V3
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Pro
$90
vs
XMAX Starry V3
$100
Heating Type
G Pen Pro
Convection
vs
XMAX Starry V3
Conduction
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
vs
XMAX Starry V3
212°F - 464°F
Chamber Capacity
G Pen Pro
~0.25 grams
vs
XMAX Starry V3
—
Battery Type
G Pen Pro
—
vs
XMAX Starry V3
18650
Battery Capacity
G Pen Pro
2200mAh
vs
XMAX Starry V3
2900mAh
Battery Life
G Pen Pro
—
vs
XMAX Starry V3
60-80 minutes
Charge Time
G Pen Pro
<3 hours
vs
XMAX Starry V3
90-120 minutes
Pass-Through Charging
G Pen Pro
—
vs
XMAX Starry V3
Yes
Dimensions
G Pen Pro
—
vs
XMAX Starry V3
11 x 3.5 x 2.4 cm
Choose G Pen Pro if...
- You prefer a convection heating profile.
- Your usage leans toward convection sessions.
- You prefer G Pen Pro's overall feature mix and form factor.
Choose XMAX Starry V3 if...
- You prefer a conduction heating profile.
- Your usage leans toward conduction and battery swap sessions.
- You prefer XMAX Starry V3's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
16 differ 3 shared
| Specification | G Pen Pro | XMAX Starry V3 |
|---|---|---|
| Price (USD) | $90 | $100 |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~30 seconds |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 212°F - 464°F |
| Chamber Capacity | ~0.25 grams | — |
| Battery Type | — | 18650 |
| Battery Capacity | 2200mAh | 2900mAh |
| Battery Life | — | 60-80 minutes |
| Charging | Micro-USB | Micro USB |
| Charge Time | <3 hours | 90-120 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | — | 11 x 3.5 x 2.4 cm |
| Power Adjustment | Modular - 3 Stages | — |
| Brand | Grenco Science | — |
| Chamber Material | Ceramic | Ceramic |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | Yes |
Comparison FAQs
What is the biggest difference between the G Pen Pro and the XMAX Starry V3?
The biggest practical difference is heating approach: G Pen Pro runs convection while XMAX Starry V3 runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
What's the difference in heating between the G Pen Pro and the XMAX Starry V3?
G Pen Pro uses convection heating, while the XMAX Starry V3 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Can I use the XMAX Starry V3 while charging?
Yes, only the XMAX Starry V3 supports pass-through charging. The G Pen Pro has to finish charging before you can use it.
Which is cheaper, the G Pen Pro or the XMAX Starry V3?
Listed prices are close: $90 for the G Pen Pro versus $100 for the XMAX Starry V3. Day-to-day price will likely come down to whichever retailer is running a promotion.
Which heats up faster, the G Pen Pro or the XMAX Starry V3?
Heat-up times are very close: ~30 seconds on the G Pen Pro and ~30 seconds on the XMAX Starry V3. The real-world difference will be hard to notice mid-session.
Which charges faster, the G Pen Pro or the XMAX Starry V3?
XMAX Starry V3 fully charges in 90-120 minutes, ahead of <3 hours on the G Pen Pro.
Which is more discreet, the G Pen Pro 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 Pro is more conspicuous in hand and harder to keep out of sight.
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