Price (USD)
G Pen Pro edgeG Pen Pro
$90
XMAX Ace
$110
G Pen Pro is typically around $20 lower.
Vaporizer Comparison
G Pen Pro vs XMAX Ace
G Pen Pro
VS
XMAX Ace
Side-by-side specs, pricing context, and clear decision guidance.
Editorial Summary
G Pen Pro and XMAX Ace 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 Ace. XMAX Ace has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
17
Different Specs
16
Shared Specs
1
Overall Overlap
6%
Shared Traits
Portable Budget Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
XMAX Ace edgeG Pen Pro
~30 seconds
XMAX Ace
~20 seconds
XMAX Ace has the quicker listed heat-up profile.
Heating Style
Close callG Pen Pro
Convection
XMAX Ace
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 Ace
$110
Heating Type
G Pen Pro
Convection
vs
XMAX Ace
Conduction
Heat Up Time
G Pen Pro
~30 seconds
vs
XMAX Ace
~20 seconds
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
vs
XMAX Ace
100°C - 255°C
Chamber Capacity
G Pen Pro
~0.25 grams
vs
XMAX Ace
0.2-0.3g
Battery Type
G Pen Pro
—
vs
XMAX Ace
18650
Battery Capacity
G Pen Pro
2200mAh
vs
XMAX Ace
2600mAh
Battery Life
G Pen Pro
—
vs
XMAX Ace
<10 sessions
Charge Time
G Pen Pro
<3 hours
vs
XMAX Ace
—
Power Adjustment
G Pen Pro
Modular - 3 Stages
vs
XMAX Ace
—
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 Ace if...
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward conduction and battery swap sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
16 differ 1 shared
| Specification | G Pen Pro | XMAX Ace |
|---|---|---|
| Price (USD) | $90 | $110 |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~20 seconds |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 100°C - 255°C |
| Chamber Capacity | ~0.25 grams | 0.2-0.3g |
| Battery Type | — | 18650 |
| Battery Capacity | 2200mAh | 2600mAh |
| Battery Life | — | <10 sessions |
| Charging | Micro-USB | Micro USB |
| Charge Time | <3 hours | — |
| Power Adjustment | Modular - 3 Stages | — |
| Brand | Grenco Science | — |
| Chamber Material | 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 Ace?
The biggest practical difference is heating approach: G Pen Pro runs convection while XMAX Ace runs conduction. 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 Ace?
G Pen Pro is the cheaper option at $90 compared with $110 for the XMAX Ace, about $20 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Pro or the XMAX Ace?
XMAX Ace reaches session-ready temperature in ~20 seconds, while the G Pen Pro takes ~30 seconds. That's roughly 10 seconds quicker on the XMAX Ace, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the G Pen Pro and the XMAX Ace?
G Pen Pro uses convection heating, while the XMAX Ace uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
How much flower do the G Pen Pro and XMAX Ace hold?
G Pen Pro lists a chamber capacity of ~0.25 grams; the XMAX Ace lists 0.2-0.3g.
Which has a wider temperature range, the G Pen Pro or the XMAX Ace?
G Pen Pro covers 190°C - 220°C (375°F - 428°F), a wider band than the XMAX Ace at 100°C - 255°C. 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?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.