Price (USD)
XMAX V4 Pro edgeG Pen Connect
$180
XMAX V4 Pro
$120
XMAX V4 Pro is typically around $60 lower.
Vaporizer Comparison
G Pen Connect vs XMAX V4 Pro
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Connect
Grenco Science from $179.95
VS
XMAX V4 Pro
XMAX $120
Editorial Summary
G Pen Connect and XMAX V4 Pro are both portable / electronic vaporizers, but they target different priorities. XMAX V4 Pro is usually the lower-cost pick at $120, around $60 below G Pen Connect. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
27
Different Specs
25
Shared Specs
2
Overall Overlap
7%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Connect
Conduction
XMAX V4 Pro
Convection
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 Connect
$180
XMAX V4 Pro
$120
Heating Type
G Pen Connect
Conduction
XMAX V4 Pro
Convection
Temperature Range
G Pen Connect
180°C - 220°C (356°F - 428°F)
XMAX V4 Pro
100 - 220C (212 - 428F)
Battery Type
G Pen Connect
Internal
XMAX V4 Pro
18650 (user replaceable)
Battery Capacity
G Pen Connect
850mAh
XMAX V4 Pro
2550mAh
Battery Life
G Pen Connect
10-15 sessions
XMAX V4 Pro
6-8 sessions (XMAX claims up to 12)
Charging
G Pen Connect
Micro-USB
XMAX V4 Pro
USB-C (side mounted)
Charge Time
G Pen Connect
~2 hours
XMAX V4 Pro
~3 hours at 5V/1A
Dimensions
G Pen Connect
79.1x59x22.4mm
XMAX V4 Pro
158 x 27 x 24mm
Power Adjustment
G Pen Connect
Digital Control - 3 Stage Modular
XMAX V4 Pro
Digital (precise, 1 degree steps)
Choose G Pen Connect if...
- You prefer a conduction heating profile.
- Your usage leans toward concentrates and conduction sessions.
- You prefer G Pen Connect's overall feature mix and form factor.
Current price
$179.95
at Slick Vapes
Choose XMAX V4 Pro if...
- You want the lower listed entry price ($120 vs $180).
- You prefer a convection heating profile.
- Your usage leans toward convection and budget sessions.
Typical price
$120
Sold by VPM
Prices are read automatically from retailer pages and were last checked Aug 27, 2026; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.
Spec Comparison Table
Direct comparison of every spec from each device profile.
25 differ 2 shared
| Specification | G Pen Connect | XMAX V4 Pro |
|---|---|---|
| Price (USD) | $180 | $120 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | — | 10-20 seconds |
| Temperature Range | 180°C - 220°C (356°F - 428°F) | 100 - 220C (212 - 428F) |
| Chamber Capacity | — | 0.1g - 0.15g |
| Battery Type | Internal | 18650 (user replaceable) |
| Battery Capacity | 850mAh | 2550mAh |
| Battery Life | 10-15 sessions | 6-8 sessions (XMAX claims up to 12) |
| Charging | Micro-USB | USB-C (side mounted) |
| Charge Time | ~2 hours | ~3 hours at 5V/1A |
| Dimensions | 79.1x59x22.4mm | 158 x 27 x 24mm |
| Weight | — | ~105 grams |
| Power Adjustment | Digital Control - 3 Stage Modular | Digital (precise, 1 degree steps) |
| Chamber Material | Ceramic | Stainless steel |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | XMAX |
| Adjustable Airflow | — | Yes (3 positions) |
| Country of Manufacture | — | China |
| Display Type | — | Colour OLED (flippable) |
| Haptic Feedback | No | Yes |
| Heating Element | Ceramic | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2019 | 2026 |
| Session Style | — | Both |
| Warranty | 1 year | 1 year |
| Water Pipe Adapter | — | Built into glass mouthpiece (14mm / 18mm) |
Comparison FAQs
What is the biggest difference between the G Pen Connect and the XMAX V4 Pro?
The biggest practical difference is heating approach: G Pen Connect runs conduction while XMAX V4 Pro runs convection. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the G Pen Connect or the XMAX V4 Pro?
XMAX V4 Pro is the cheaper option at $120 compared with $180 for the G Pen Connect, about $60 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Connect and the XMAX V4 Pro?
G Pen Connect uses conduction heating, while the XMAX V4 Pro uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Can I swap the batteries on the G Pen Connect or the XMAX V4 Pro?
XMAX V4 Pro uses 18650 (user replaceable), 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.
Which charges faster, the G Pen Connect or the XMAX V4 Pro?
G Pen Connect fully charges in ~2 hours, ahead of ~3 hours at 5V/1A on the XMAX V4 Pro.
What battery life can I expect from the G Pen Connect and the XMAX V4 Pro?
G Pen Connect's spec sheet lists 10-15 sessions; the XMAX V4 Pro lists 6-8 sessions (XMAX claims up to 12). The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Which has a wider temperature range, the G Pen Connect or the XMAX V4 Pro?
XMAX V4 Pro covers 100 - 220C (212 - 428F), 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.
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