Price (USD)
G Pen Dash edgeG Pen Dash
$70
XMAX V4 Pro
$120
G Pen Dash is typically around $50 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Dash
Grenco Science from $89.95
XMAX V4 Pro
XMAX $120
G Pen Dash and XMAX V4 Pro are both portable / budget vaporizers, but they target different priorities. G Pen Dash is usually the lower-cost pick at $70, around $50 below XMAX V4 Pro. Heat-up speed is broadly similar between the two.
Specs Compared
27
Different Specs
24
Shared Specs
3
Overall Overlap
11%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Dash
$70
XMAX V4 Pro
$120
G Pen Dash is typically around $50 lower.
G Pen Dash
~20 seconds
XMAX V4 Pro
10-20 seconds
Both devices are in a similar heat-up range.
G Pen Dash
Conduction
XMAX V4 Pro
Convection
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Dash
$70
XMAX V4 Pro
$120
Heating Type
G Pen Dash
Conduction
XMAX V4 Pro
Convection
Heat Up Time
G Pen Dash
~20 seconds
XMAX V4 Pro
10-20 seconds
Temperature Range
G Pen Dash
190°C - 220°C (375°F - 428°F)
XMAX V4 Pro
100 - 220C (212 - 428F)
Chamber Capacity
G Pen Dash
0.25 grams
XMAX V4 Pro
0.1g - 0.15g
Battery Type
G Pen Dash
Internal
XMAX V4 Pro
18650 (user replaceable)
Battery Capacity
G Pen Dash
950mAh
XMAX V4 Pro
2550mAh
Charging
G Pen Dash
Micro-USB
XMAX V4 Pro
USB-C (side mounted)
Charge Time
G Pen Dash
1-2 hours
XMAX V4 Pro
~3 hours at 5V/1A
Power Adjustment
G Pen Dash
Modular - 3 Stage
XMAX V4 Pro
Digital (precise, 1 degree steps)
Lowest price
$89.95
at Slick Vapes
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.
Direct comparison of every spec from each device profile.
| Specification | G Pen Dash | XMAX V4 Pro |
|---|---|---|
| Price (USD) | $70 | $120 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~20 seconds | 10-20 seconds |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 100 - 220C (212 - 428F) |
| Chamber Capacity | 0.25 grams | 0.1g - 0.15g |
| Battery Type | Internal | 18650 (user replaceable) |
| Battery Capacity | 950mAh | 2550mAh |
| Battery Life | — | 6-8 sessions (XMAX claims up to 12) |
| Charging | Micro-USB | USB-C (side mounted) |
| Charge Time | 1-2 hours | ~3 hours at 5V/1A |
| Pass-Through Charging | Yes | — |
| Dimensions | — | 158 x 27 x 24mm |
| Height | 3.6 inches | — |
| Weight | — | ~105 grams |
| Power Adjustment | Modular - 3 Stage | Digital (precise, 1 degree steps) |
| Chamber Material | Glass & Stainless Steel | Stainless steel |
| Brand | Grenco Science | XMAX |
| Adjustable Airflow | — | Yes (3 positions) |
| Country of Manufacture | — | China |
| Display Type | — | Colour OLED (flippable) |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2020 | 2026 |
| Session Style | Session | Both |
| Warranty | 1 year | 1 year |
| Water Pipe Adapter | — | Built into glass mouthpiece (14mm / 18mm) |
The biggest practical difference is heating approach: G Pen Dash runs conduction while XMAX V4 Pro runs convection. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
G Pen Dash is the cheaper option at $70 compared with $120 for the XMAX V4 Pro, about $50 less. Live retailer pricing can shift, so confirm before buying.
XMAX V4 Pro reaches session-ready temperature in 10-20 seconds, while the G Pen Dash takes ~20 seconds. That's roughly 5 seconds quicker on the XMAX V4 Pro, which is useful if you want shorter, on-demand sessions.
G Pen Dash 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.
G Pen Dash has the larger chamber at 0.25 grams, 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.
XMAX V4 Pro uses 18650 (user replaceable), so you can carry spares for back-to-back days. The G Pen Dash has a built-in battery you can't swap on the go.
G Pen Dash controls heat with modular - 3 stage, while the XMAX V4 Pro uses digital (precise, 1 degree steps). XMAX V4 Pro gives you finer per-degree control.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.