Price (USD)
G Pen Hyer edgeG Pen Hyer
$150
The Coma
$588
G Pen Hyer is typically around $438 lower.
Vaporizer Comparison
G Pen Hyer vs The Coma
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
VS
The Coma
Vices $588
Editorial Summary
G Pen Hyer and The Coma are both electronic / premium vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $438 below The Coma. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
25
Different Specs
25
Shared Specs
0
Overall Overlap
0%
Shared Traits
Electronic Premium
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Hyer
Conduction
The Coma
Convection (wired ball vaporizer)
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
The Coma
$588
Device Type
G Pen Hyer
Portable
The Coma
Desktop
Heating Type
G Pen Hyer
Conduction
The Coma
Convection (wired ball vaporizer)
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
The Coma
200-300°C (392-572°F) recommended by Vices
Chamber Capacity
G Pen Hyer
~0.5g
The Coma
0.2g to 1.6g
Battery Type
G Pen Hyer
External Battery Pack
The Coma
None
Battery Capacity
G Pen Hyer
6000mAh
The Coma
N/A
Charging
G Pen Hyer
USB-C
The Coma
N/A
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
The Coma
PID controller, switchable between °C and °F
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
The Coma
Titanium Macro Bowl with an Everlasting titanium screen
Choose G Pen Hyer if...
- You want the lower listed entry price ($150 vs $588).
- You prefer a conduction heating profile.
- Your usage leans toward portable and conduction sessions.
Current price
$249.99
at Slick Vapes
Choose The Coma if...
- You prefer a convection (wired ball vaporizer) heating profile.
- Your usage leans toward desktop and ball vape sessions.
- You prefer The Coma's overall feature mix and form factor.
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 0 shared
| Specification | G Pen Hyer | The Coma |
|---|---|---|
| Price (USD) | $150 | $588 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Convection (wired ball vaporizer) |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 200-300°C (392-572°F) recommended by Vices |
| Chamber Capacity | ~0.5g | 0.2g to 1.6g |
| Battery Type | External Battery Pack | None |
| Battery Capacity | 6000mAh | N/A |
| Charging | USB-C | N/A |
| Charge Time | 2.5 - 3 hours | — |
| Power Adjustment | Digital Control - 5 Stage Modular | PID controller, switchable between °C and °F |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | Titanium Macro Bowl with an Everlasting titanium screen |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Vices |
| Coil Size | — | 35mm enclosed coil, wired directly to the PID |
| Display Type | LED Light User Interface | — |
| Haptic Feedback | No | — |
| Heater Material | — | Titanium with an aluminium handle and heat sync hardware |
| Heating Element | Stainless Steel | — |
| Manufacturer | — | Vices, Brisbane Australia |
| Power Options | — | 110V (US and Canada) or 220V (AU, UK and EU) |
| Release Date | 2022 | 2026 |
| Session Style | Session | On-Demand |
| Thermal Matrix | — | ~3500 mixed cut ruby corundum gems, 2 to 2.5mm |
| Warranty | — | Australian Consumer Law cover, no fixed term published. Consumables excluded |
| Water Pipe Adapter | — | 14mm glass joint fitted, 18mm spare included |
Comparison FAQs
What is the biggest difference between the G Pen Hyer and the The Coma?
The biggest practical difference is price tier: the G Pen Hyer sits at $150 while the The Coma is $588, a gap of about $438 that puts them in different buying brackets.
Which is cheaper, the G Pen Hyer or the The Coma?
G Pen Hyer is the cheaper option at $150 compared with $588 for the The Coma, about $438 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Hyer and the The Coma?
G Pen Hyer uses conduction heating, while the The Coma uses convection (wired ball vaporizer). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the G Pen Hyer or the The Coma hold more flower?
The Coma has the larger chamber at 0.2g to 1.6g, versus ~0.5g on the G Pen Hyer. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Is the G Pen Hyer or the The Coma better for home versus on-the-go use?
G Pen Hyer is the take-anywhere choice. It's a portable, battery-powered unit, while the The Coma is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Can I set custom temperatures on the G Pen Hyer or the The Coma?
G Pen Hyer controls heat with digital control - 5 stage modular, while the The Coma uses pid controller, switchable between °c and °f. G Pen Hyer gives you finer per-degree control.
Which has a wider temperature range, the G Pen Hyer or the The Coma?
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, a wider band than the The Coma at 200-300°C (392-572°F) recommended by Vices. A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.