Price (USD)
Close callG Pen Pro
$90
XMAX QOMO
$89
Pricing is very close between both devices.
Vaporizer Comparison
G Pen Pro vs XMAX QOMO
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Pro
Grenco Science $90
VS
XMAX QOMO
XMAX $89
Editorial Summary
G Pen Pro and XMAX QOMO are both portable / budget vaporizers, but they target different priorities. Their listed prices are close ($90 vs $89). XMAX QOMO has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
21
Different Specs
16
Shared Specs
5
Overall Overlap
24%
Shared Traits
Portable Budget Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
XMAX QOMO edgeG Pen Pro
~30 seconds
XMAX QOMO
~20 seconds
XMAX QOMO has the quicker listed heat-up profile.
Heating Style
Close callG Pen Pro
Convection
XMAX QOMO
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
XMAX QOMO
$89
Heating Type
G Pen Pro
Convection
XMAX QOMO
Conduction
Heat Up Time
G Pen Pro
~30 seconds
XMAX QOMO
~20 seconds
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
XMAX QOMO
280°C - 350°C (536°F - 662°F)
Chamber Capacity
G Pen Pro
~0.25 grams
XMAX QOMO
0.15g
Battery Capacity
G Pen Pro
2200mAh
XMAX QOMO
1350mAh
Charging
G Pen Pro
Micro-USB
XMAX QOMO
USB-C
Charge Time
G Pen Pro
<3 hours
XMAX QOMO
1-2 Hours
Brand
G Pen Pro
Grenco Science
XMAX QOMO
XMAX
Release Date
G Pen Pro
2017
XMAX QOMO
2020
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 QOMO if...
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward concentrates and conduction sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
16 differ 5 shared
| Specification | G Pen Pro | XMAX QOMO |
|---|---|---|
| Price (USD) | $90 | $89 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~20 seconds |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 280°C - 350°C (536°F - 662°F) |
| Chamber Capacity | ~0.25 grams | 0.15g |
| Battery Type | Internal | Internal |
| Battery Capacity | 2200mAh | 1350mAh |
| Battery Life | — | 10-20 Sessions |
| Charging | Micro-USB | USB-C |
| Charge Time | <3 hours | 1-2 Hours |
| Dimensions | — | 127x50x29.6mm |
| Power Adjustment | Modular - 3 Stages | Modular - 3 Stages |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | — | Yes |
| Brand | Grenco Science | XMAX |
| Country of Manufacture | — | China |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2017 | 2020 |
| Session Style | Session | — |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the G Pen Pro and the XMAX QOMO?
The biggest practical difference is heating approach: G Pen Pro runs convection while XMAX QOMO runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which heats up faster, the G Pen Pro or the XMAX QOMO?
XMAX QOMO reaches session-ready temperature in ~20 seconds, while the G Pen Pro takes ~30 seconds. That's roughly 10 seconds quicker on the XMAX QOMO, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the G Pen Pro and the XMAX QOMO?
G Pen Pro uses convection heating, while the XMAX QOMO uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the G Pen Pro or the XMAX QOMO hold more flower?
G Pen Pro has the larger chamber at ~0.25 grams, versus 0.15g on the XMAX QOMO. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is cheaper, the G Pen Pro or the XMAX QOMO?
Listed prices are close: $90 for the G Pen Pro versus $89 for the XMAX QOMO. Day-to-day price will likely come down to whichever retailer is running a promotion.
Which charges faster, the G Pen Pro or the XMAX QOMO?
XMAX QOMO fully charges in 1-2 Hours, ahead of <3 hours on the G Pen Pro.
Which has a wider temperature range, the G Pen Pro or the XMAX QOMO?
XMAX QOMO covers 280°C - 350°C (536°F - 662°F), a wider band than the G Pen Pro at 190°C - 220°C (375°F - 428°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Need a different matchup?
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