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Vaporizer Comparison

G Pen Pro vs XMAX V3 Pro

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

G Pen Pro

G Pen Pro

Grenco Science $90

VS
XMAX V3 Pro

XMAX V3 Pro

XMAX $110

Editorial Summary

G Pen Pro and XMAX V3 Pro are both portable / budget vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $20 below XMAX V3 Pro. Heat-up speed is broadly similar between the two.

Specs Compared

25

Different Specs

23

Shared Specs

2

Overall Overlap

8%

Shared Traits

Portable Budget Convection Electronic

Head-to-Head Highlights

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

Price (USD)

G Pen Pro edge

G Pen Pro

$90

XMAX V3 Pro

$110

G Pen Pro is typically around $20 lower.

Heat-Up Time

Close call

G Pen Pro

~30 seconds

XMAX V3 Pro

15-30 seconds

Both devices are in a similar heat-up range.

Heating Style

Close call

G Pen Pro

Convection

XMAX V3 Pro

Hybrid (primarily convection)

Heating style differs, which can impact flavor and extraction behavior.

Key Differences at a Glance

Top specs where these two devices diverge.

10 differences

Price (USD)

G Pen Pro

$90

XMAX V3 Pro

$110

Heating Type

G Pen Pro

Convection

XMAX V3 Pro

Hybrid (primarily convection)

Heat Up Time

G Pen Pro

~30 seconds

XMAX V3 Pro

15-30 seconds

Temperature Range

G Pen Pro

190°C - 220°C (375°F - 428°F)

XMAX V3 Pro

100 - 220C (212 - 428F)

Chamber Capacity

G Pen Pro

~0.25 grams

XMAX V3 Pro

0.1g - 0.15g

Battery Type

G Pen Pro

Internal

XMAX V3 Pro

18650 (user replaceable)

Charging

G Pen Pro

Micro-USB

XMAX V3 Pro

USB-C

Power Adjustment

G Pen Pro

Modular - 3 Stages

XMAX V3 Pro

Digital (precise)

Chamber Material

G Pen Pro

Ceramic

XMAX V3 Pro

Stainless steel

Brand

G Pen Pro

Grenco Science

XMAX V3 Pro

XMAX

Choose G Pen Pro if...

  • You prefer a convection heating profile.
  • You prefer G Pen Pro's overall feature mix and form factor.
  • You value how the G Pen Pro balances size, controls, and everyday practicality.
View G Pen Pro Profile

Choose XMAX V3 Pro if...

  • You prefer a hybrid (primarily convection) heating profile.
  • Your usage leans toward battery swap sessions.
  • You prefer XMAX V3 Pro's overall feature mix and form factor.
View XMAX V3 Pro Profile

Spec Comparison Table

Direct comparison of every spec from each device profile.

23 differ 2 shared
SpecificationG Pen ProXMAX V3 Pro
Price (USD) $90$110
Device Type PortablePortable
Heating Type ConvectionHybrid (primarily convection)
Heat Up Time ~30 seconds15-30 seconds
Temperature Range 190°C - 220°C (375°F - 428°F)100 - 220C (212 - 428F)
Chamber Capacity ~0.25 grams0.1g - 0.15g
Battery Type Internal18650 (user replaceable)
Battery Capacity 2200mAh
Battery Life 30-45 minutes or 5-6 sessions
Charging Micro-USBUSB-C
Charge Time <3 hours
Width 2.5cm
Height 15cm
Weight 105 grams
Power Adjustment Modular - 3 StagesDigital (precise)
Chamber Material CeramicStainless steel
Brand Grenco ScienceXMAX
Adjustable Airflow No
Country of Manufacture China
Heating Element Ceramic
Manufacturer TopGreen Technology Co
Release Date 20172021
Session Style SessionBoth
Thickness 2.3cm
Warranty 1 year1 year

Comparison FAQs

What is the biggest difference between the G Pen Pro and the XMAX V3 Pro?

The biggest practical difference is heating approach: G Pen Pro runs convection while XMAX V3 Pro runs hybrid (primarily convection). That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.

Which is cheaper, the G Pen Pro or the XMAX V3 Pro?

G Pen Pro is the cheaper option at $90 compared with $110 for the XMAX V3 Pro, about $20 less. Live retailer pricing can shift, so confirm before buying.

Which heats up faster, the G Pen Pro or the XMAX V3 Pro?

XMAX V3 Pro reaches session-ready temperature in 15-30 seconds, while the G Pen Pro takes ~30 seconds. That's roughly 8 seconds quicker on the XMAX V3 Pro, which is useful if you want shorter, on-demand sessions.

What's the difference in heating between the G Pen Pro and the XMAX V3 Pro?

G Pen Pro uses convection heating, while the XMAX V3 Pro uses hybrid (primarily convection). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Does the G Pen Pro or the XMAX V3 Pro hold more flower?

G Pen Pro has the larger chamber at ~0.25 grams, versus 0.1g - 0.15g on the XMAX V3 Pro. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.

Can I swap the batteries on the G Pen Pro or the XMAX V3 Pro?

XMAX V3 Pro uses 18650 (user replaceable), so you can carry spares for back-to-back days. The G Pen Pro has a built-in battery you can't swap on the go.

Can I set custom temperatures on the G Pen Pro or the XMAX V3 Pro?

G Pen Pro controls heat with modular - 3 stages, while the XMAX V3 Pro uses digital (precise). XMAX V3 Pro gives you finer per-degree control.

Need a different matchup?

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