Price (USD)
G Pen Hyer edgeG Pen Hyer
$150
Vapvana Screwball
$299
G Pen Hyer is typically around $149 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
Vapvana Screwball
Vapvana from $329
G Pen Hyer and Vapvana Screwball are both electronic / premium vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $149 below Vapvana Screwball. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
24
Shared Specs
0
Overall Overlap
0%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Hyer
$150
Vapvana Screwball
$299
G Pen Hyer is typically around $149 lower.
G Pen Hyer
Conduction
Vapvana Screwball
Hybrid
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Hyer
$150
Vapvana Screwball
$299
Heating Type
G Pen Hyer
Conduction
Vapvana Screwball
Hybrid
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
Vapvana Screwball
450F-525F (Recommended Range)
Chamber Capacity
G Pen Hyer
~0.5g
Vapvana Screwball
0.1 - 0.4g
Battery Type
G Pen Hyer
External Battery Pack
Vapvana Screwball
N/A
Charging
G Pen Hyer
USB-C
Vapvana Screwball
N/A
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
Vapvana Screwball
Digital (precise)
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
Vapvana Screwball
Titanium
Brand
G Pen Hyer
Grenco Science
Vapvana Screwball
Vapvana
Current price
$249.99
at Slick Vapes
Current price
$329
at Vapvana
Prices are read automatically from retailer pages and were last checked Sep 3, 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 Hyer | Vapvana Screwball |
|---|---|---|
| Price (USD) | $150 | $299 |
| Device Type | Portable | — |
| Heating Type | Conduction | Hybrid |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 450F-525F (Recommended Range) |
| Chamber Capacity | ~0.5g | 0.1 - 0.4g |
| Battery Type | External Battery Pack | N/A |
| Battery Capacity | 6000mAh | — |
| Charging | USB-C | N/A |
| Charge Time | 2.5 - 3 hours | — |
| Power Adjustment | Digital Control - 5 Stage Modular | Digital (precise) |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | Titanium |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Vapvana |
| Ball Type | — | ~750 2.5mm Gem Cut Rubies |
| Body Material | — | Titanium |
| Coil Size | — | 25mm |
| Display Type | LED Light User Interface | — |
| Haptic Feedback | No | — |
| Heating Element | Stainless Steel | — |
| Joint Size | — | 18mm and 14mm |
| Release Date | 2022 | — |
| Screen Size | — | 20mm and 15mm |
| Session Style | Session | — |
| Warranty | — | Lifetime |
The biggest practical difference is price tier: the G Pen Hyer sits at $150 while the Vapvana Screwball is $299, a gap of about $149 that puts them in different buying brackets.
G Pen Hyer is the cheaper option at $150 compared with $299 for the Vapvana Screwball, about $149 less. Live retailer pricing can shift, so confirm before buying.
G Pen Hyer uses conduction heating, while the Vapvana Screwball uses hybrid. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
G Pen Hyer has the larger chamber at ~0.5g, versus 0.1 - 0.4g on the Vapvana Screwball. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.