Price (USD)
XMAX QOMO edgeG Pen Roam
$200
XMAX QOMO
$89
XMAX QOMO is typically around $111 lower.
Vaporizer Comparison
G Pen Roam vs XMAX QOMO
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
VS
XMAX QOMO
XMAX $89
Editorial Summary
G Pen Roam and XMAX QOMO are both portable / electronic vaporizers, but they target different priorities. XMAX QOMO is usually the lower-cost pick at $89, around $111 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
24
Different Specs
18
Shared Specs
6
Overall Overlap
25%
Shared Traits
Portable Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeG Pen Roam
~5 seconds
XMAX QOMO
~20 seconds
G Pen Roam has the quicker listed heat-up profile.
Heating Style
Close callG Pen Roam
Conduction
XMAX QOMO
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
XMAX QOMO
$89
Heat Up Time
G Pen Roam
~5 seconds
XMAX QOMO
~20 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
XMAX QOMO
280°C - 350°C (536°F - 662°F)
Battery Capacity
G Pen Roam
1300mAh
XMAX QOMO
1350mAh
Battery Life
G Pen Roam
15-20 sessions
XMAX QOMO
10-20 Sessions
Charging
G Pen Roam
Micro-USB
XMAX QOMO
USB-C
Charge Time
G Pen Roam
~2 hours
XMAX QOMO
1-2 Hours
Dimensions
G Pen Roam
178x127x102mm
XMAX QOMO
127x50x29.6mm
Power Adjustment
G Pen Roam
Digital Control
XMAX QOMO
Modular - 3 Stages
Chamber Material
G Pen Roam
Quartz
XMAX QOMO
Ceramic
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
- You value how the G Pen Roam balances size, controls, and everyday practicality.
Choose XMAX QOMO if...
- You want the lower listed entry price ($89 vs $200).
- Your usage leans toward budget and conduction sessions.
- You prefer XMAX QOMO's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
18 differ 6 shared
| Specification | G Pen Roam | XMAX QOMO |
|---|---|---|
| Price (USD) | $200 | $89 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | ~20 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 280°C - 350°C (536°F - 662°F) |
| Chamber Capacity | — | 0.15g |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 1350mAh |
| Battery Life | 15-20 sessions | 10-20 Sessions |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | 1-2 Hours |
| Dimensions | 178x127x102mm | 127x50x29.6mm |
| Weight | ~317g | — |
| Power Adjustment | Digital Control | Modular - 3 Stages |
| Chamber Material | Quartz | Ceramic |
| Concentrate Support | Yes | Yes |
| Brand | Grenco Science | XMAX |
| Adjustable Airflow | No | — |
| Country of Manufacture | — | China |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2020 | 2020 |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the XMAX QOMO?
The biggest practical difference is price tier: the XMAX QOMO sits at $89 while the G Pen Roam is $200, a gap of about $111 that puts them in different buying brackets.
Which is cheaper, the G Pen Roam or the XMAX QOMO?
XMAX QOMO is the cheaper option at $89 compared with $200 for the G Pen Roam, about $111 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Roam or the XMAX QOMO?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the XMAX QOMO takes ~20 seconds. That's roughly 15 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Can I set custom temperatures on the G Pen Roam or the XMAX QOMO?
G Pen Roam controls heat with digital control, while the XMAX QOMO uses modular - 3 stages. G Pen Roam gives you finer per-degree control.
Which charges faster, the G Pen Roam or the XMAX QOMO?
XMAX QOMO fully charges in 1-2 Hours, ahead of ~2 hours on the G Pen Roam.
What battery life can I expect from the G Pen Roam and the XMAX QOMO?
G Pen Roam's spec sheet lists 15-20 sessions; the XMAX QOMO lists 10-20 Sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Which has a wider temperature range, the G Pen Roam or the XMAX QOMO?
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the XMAX QOMO at 280°C - 350°C (536°F - 662°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?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.