Price (USD)
XMAX Ace edgeG Pen Connect
$180
XMAX Ace
$110
XMAX Ace is typically around $70 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Connect
Grenco Science $180
XMAX Ace
XMAX $110
G Pen Connect and XMAX Ace are both portable / conduction vaporizers, but they target different priorities. XMAX Ace is usually the lower-cost pick at $110, around $70 below G Pen Connect. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
25
Different Specs
20
Shared Specs
5
Overall Overlap
20%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Connect
$180
XMAX Ace
$110
XMAX Ace is typically around $70 lower.
G Pen Connect
Conduction
XMAX Ace
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Connect
$180
XMAX Ace
$110
Temperature Range
G Pen Connect
180°C - 220°C (356°F - 428°F)
XMAX Ace
100°C - 255°C
Battery Type
G Pen Connect
Internal
XMAX Ace
18650
Battery Capacity
G Pen Connect
850mAh
XMAX Ace
2600mAh
Battery Life
G Pen Connect
10-15 sessions
XMAX Ace
<10 sessions
Power Adjustment
G Pen Connect
Digital Control - 3 Stage Modular
XMAX Ace
Digital (precise)
Brand
G Pen Connect
Grenco Science
XMAX Ace
XMAX
Haptic Feedback
G Pen Connect
No
XMAX Ace
Yes
Direct comparison of every spec from each device profile.
| Specification | G Pen Connect | XMAX Ace |
|---|---|---|
| Price (USD) | $180 | $110 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | — | ~20 seconds |
| Temperature Range | 180°C - 220°C (356°F - 428°F) | 100°C - 255°C |
| Chamber Capacity | — | 0.2-0.3g |
| Battery Type | Internal | 18650 |
| Battery Capacity | 850mAh | 2600mAh |
| Battery Life | 10-15 sessions | <10 sessions |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | — |
| Dimensions | 79.1x59x22.4mm | — |
| Power Adjustment | Digital Control - 3 Stage Modular | Digital (precise) |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | XMAX |
| Country of Manufacture | — | China |
| Display Type | — | OLED |
| Haptic Feedback | No | Yes |
| Heating Element | Ceramic | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2019 | — |
| Replaceable Battery | — | Yes |
| Session Style | — | Session |
| Warranty | 1 year | 1 year |
There's no single headline gap. The differences are spread across 20 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
XMAX Ace is the cheaper option at $110 compared with $180 for the G Pen Connect, about $70 less. Live retailer pricing can shift, so confirm before buying.
XMAX Ace uses 18650, so you can carry spares for back-to-back days. The G Pen Connect has a built-in battery you can't swap on the go.
G Pen Connect's spec sheet lists 10-15 sessions; the XMAX Ace lists <10 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
XMAX Ace covers 100°C - 255°C, a wider band than the G Pen Connect at 180°C - 220°C (356°F - 428°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Across the 25 specs we line up, they share 5 and differ on 20, an overlap of about 20%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.