Price (USD)
G Pen Hyer edgeG Pen Hyer
$250
Vapvana Screwball
$299
G Pen Hyer is typically around $49 lower.


Side-by-side vaporizer comparison including specs, pricing context, and decision guidance.
G Pen Hyer and Vapvana Screwball are both electronic / electronic vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $250, around $49 below Vapvana Screwball. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
18
Different Specs
18
Shared Specs
0
Overall Overlap
0%
Shared Traits
Quick snapshot of the specs people usually care about first.
G Pen Hyer
$250
Vapvana Screwball
$299
G Pen Hyer is typically around $49 lower.
G Pen Hyer
Conduction
Vapvana Screwball
—
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Hyer
$250
Vapvana Screwball
$299
Heating Type
G Pen Hyer
Conduction
Vapvana Screwball
—
Temperature Range
G Pen Hyer
180°C - 220°C (356°F - 428°F)
Vapvana Screwball
450F-525F (Recommended Range)
Chamber Capacity
G Pen Hyer
~0.5g
Vapvana Screwball
—
Battery Capacity
G Pen Hyer
6000mAh
Vapvana Screwball
—
Charging
G Pen Hyer
USB-C
Vapvana Screwball
—
Charge Time
G Pen Hyer
2.5 - 3 hours
Vapvana Screwball
—
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
Vapvana Screwball
—
Brand
G Pen Hyer
Grenco Science
Vapvana Screwball
—
Ball Type
G Pen Hyer
—
Vapvana Screwball
~750 2.5mm Gem Cut Rubies
Direct comparison of shared and unique specifications from each device profile. (18 differences, 0 overlaps)
| Specification | G Pen Hyer | Vapvana Screwball |
|---|---|---|
| Price (USD) diff | $250 | $299 |
| Heating Type diff | Conduction | — |
| Temperature Range diff | 180°C - 220°C (356°F - 428°F) | 450F-525F (Recommended Range) |
| Chamber Capacity diff | ~0.5g | — |
| Battery Capacity diff | 6000mAh | — |
| Charging diff | USB-C | — |
| Charge Time diff | 2.5 - 3 hours | — |
| Power Adjustment diff | Digital Control - 5 Stage Modular | — |
| Brand diff | Grenco Science | — |
| Ball Type diff | — | ~750 2.5mm Gem Cut Rubies |
| Bowl Capacity diff | — | 0.1 - 0.4g |
| Coil Size diff | — | 25mm |
| Display Type diff | LED Light User Interface | — |
| Haptic Feedback diff | No | — |
| Heating Element diff | Stainless Steel | — |
| Housing Material diff | — | Titanium |
| Joint Size diff | — | 18mm |
| Screen Size diff | — | 20mm |
Neither is universally better. G Pen Hyer fits some priorities, while Vapvana Screwball fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
G Pen Hyer is listed lower ($250) compared with Vapvana Screwball ($299), but live retailer pricing can change.
Published heat-up data differs by source, so practical session feel may matter more than one raw number.
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.