Price (USD)
XMAX V4 Pro edgeG Pen Hyer
$150
XMAX V4 Pro
$120
XMAX V4 Pro is typically around $30 lower.
Vaporizer Comparison
G Pen Hyer vs XMAX V4 Pro
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
VS
XMAX V4 Pro
XMAX $120
Editorial Summary
G Pen Hyer 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 $30 below G Pen Hyer. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
27
Different Specs
26
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Hyer
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 Hyer
$150
XMAX V4 Pro
$120
Heating Type
G Pen Hyer
Conduction
XMAX V4 Pro
Convection
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
XMAX V4 Pro
100 - 220C (212 - 428F)
Chamber Capacity
G Pen Hyer
~0.5g
XMAX V4 Pro
0.1g - 0.15g
Battery Type
G Pen Hyer
External Battery Pack
XMAX V4 Pro
18650 (user replaceable)
Battery Capacity
G Pen Hyer
6000mAh
XMAX V4 Pro
2550mAh
Charging
G Pen Hyer
USB-C
XMAX V4 Pro
USB-C (side mounted)
Charge Time
G Pen Hyer
2.5 - 3 hours
XMAX V4 Pro
~3 hours at 5V/1A
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
XMAX V4 Pro
Digital (precise, 1 degree steps)
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
XMAX V4 Pro
Stainless steel
Choose G Pen Hyer if...
- You prefer a conduction heating profile.
- Your usage leans toward conduction and concentrates sessions.
- You prefer G Pen Hyer's overall feature mix and form factor.
Current price
$249.99
at Slick Vapes
Choose XMAX V4 Pro if...
- You want the lower listed entry price ($120 vs $150).
- 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.
26 differ 1 shared
| Specification | G Pen Hyer | XMAX V4 Pro |
|---|---|---|
| Price (USD) | $150 | $120 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | — | 10-20 seconds |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 100 - 220C (212 - 428F) |
| Chamber Capacity | ~0.5g | 0.1g - 0.15g |
| Battery Type | External Battery Pack | 18650 (user replaceable) |
| Battery Capacity | 6000mAh | 2550mAh |
| Battery Life | — | 6-8 sessions (XMAX claims up to 12) |
| Charging | USB-C | USB-C (side mounted) |
| Charge Time | 2.5 - 3 hours | ~3 hours at 5V/1A |
| Dimensions | — | 158 x 27 x 24mm |
| Weight | — | ~105 grams |
| Power Adjustment | Digital Control - 5 Stage Modular | Digital (precise, 1 degree steps) |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | Stainless steel |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | XMAX |
| Adjustable Airflow | — | Yes (3 positions) |
| Country of Manufacture | — | China |
| Display Type | LED Light User Interface | Colour OLED (flippable) |
| Haptic Feedback | No | Yes |
| Heating Element | Stainless Steel | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2022 | 2026 |
| Session Style | Session | Both |
| Warranty | — | 1 year |
| Water Pipe Adapter | — | Built into glass mouthpiece (14mm / 18mm) |
Comparison FAQs
What is the biggest difference between the G Pen Hyer and the XMAX V4 Pro?
The biggest practical difference is heating approach: G Pen Hyer 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 Hyer or the XMAX V4 Pro?
XMAX V4 Pro is the cheaper option at $120 compared with $150 for the G Pen Hyer, about $30 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Hyer and the XMAX V4 Pro?
G Pen Hyer 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.
Does the G Pen Hyer or the XMAX V4 Pro hold more flower?
G Pen Hyer has the larger chamber at ~0.5g, versus 0.1g - 0.15g on the XMAX V4 Pro. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Can I swap the batteries on the G Pen Hyer 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 Hyer has a built-in battery you can't swap on the go.
Which charges faster, the G Pen Hyer or the XMAX V4 Pro?
G Pen Hyer fully charges in 2.5 - 3 hours, ahead of ~3 hours at 5V/1A on the XMAX V4 Pro.
Which has a wider temperature range, the G Pen Hyer or the XMAX V4 Pro?
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, a wider band than the XMAX V4 Pro at 100 - 220C (212 - 428F). 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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