Price (USD)
G Pen Connect edgeG Pen Connect
$180
The Coma
$588
G Pen Connect is typically around $408 lower.
Vaporizer Comparison
G Pen Connect vs The Coma
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Connect
Grenco Science from $179.95
VS
The Coma
Vices $588
Editorial Summary
G Pen Connect and The Coma are both electronic vaporizers, but they target different priorities. G Pen Connect is usually the lower-cost pick at $180, around $408 below The Coma. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
26
Different Specs
26
Shared Specs
0
Overall Overlap
0%
Shared Traits
Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Connect
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 Connect
$180
The Coma
$588
Device Type
G Pen Connect
Portable
The Coma
Desktop
Heating Type
G Pen Connect
Conduction
The Coma
Convection (wired ball vaporizer)
Temperature Range
G Pen Connect
180°C - 220°C (356°F - 428°F)
The Coma
200-300°C (392-572°F) recommended by Vices
Battery Type
G Pen Connect
Internal
The Coma
None
Battery Capacity
G Pen Connect
850mAh
The Coma
N/A
Charging
G Pen Connect
Micro-USB
The Coma
N/A
Power Adjustment
G Pen Connect
Digital Control - 3 Stage Modular
The Coma
PID controller, switchable between °C and °F
Chamber Material
G Pen Connect
Ceramic
The Coma
Titanium Macro Bowl with an Everlasting titanium screen
Brand
G Pen Connect
Grenco Science
The Coma
Vices
Choose G Pen Connect if...
- You want the lower listed entry price ($180 vs $588).
- You prefer a conduction heating profile.
- Your usage leans toward portable and concentrates sessions.
Current price
$179.95
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.
26 differ 0 shared
| Specification | G Pen Connect | The Coma |
|---|---|---|
| Price (USD) | $180 | $588 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Convection (wired ball vaporizer) |
| Temperature Range | 180°C - 220°C (356°F - 428°F) | 200-300°C (392-572°F) recommended by Vices |
| Chamber Capacity | — | 0.2g to 1.6g |
| Battery Type | Internal | None |
| Battery Capacity | 850mAh | N/A |
| Battery Life | 10-15 sessions | — |
| Charging | Micro-USB | N/A |
| Charge Time | ~2 hours | — |
| Dimensions | 79.1x59x22.4mm | — |
| Power Adjustment | Digital Control - 3 Stage Modular | PID controller, switchable between °C and °F |
| Chamber Material | Ceramic | 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 |
| Haptic Feedback | No | — |
| Heater Material | — | Titanium with an aluminium handle and heat sync hardware |
| Heating Element | Ceramic | — |
| Manufacturer | — | Vices, Brisbane Australia |
| Power Options | — | 110V (US and Canada) or 220V (AU, UK and EU) |
| Release Date | 2019 | 2026 |
| Session Style | — | On-Demand |
| Thermal Matrix | — | ~3500 mixed cut ruby corundum gems, 2 to 2.5mm |
| Warranty | 1 year | 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 Connect and the The Coma?
The biggest practical difference is price tier: the G Pen Connect sits at $180 while the The Coma is $588, a gap of about $408 that puts them in different buying brackets.
Which is cheaper, the G Pen Connect or the The Coma?
G Pen Connect is the cheaper option at $180 compared with $588 for the The Coma, about $408 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Connect and the The Coma?
G Pen Connect 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.
Is the G Pen Connect or the The Coma better for home versus on-the-go use?
G Pen Connect 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 Connect or the The Coma?
G Pen Connect controls heat with digital control - 3 stage modular, while the The Coma uses pid controller, switchable between °c and °f. G Pen Connect gives you finer per-degree control.
Which has a wider temperature range, the G Pen Connect or the The Coma?
The Coma covers 200-300°C (392-572°F) recommended by Vices, a wider band than the G Pen Connect at 180°C - 220°C (356°F - 428°F). 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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