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Vaporizer Comparison

G Pen Connect vs IO Hornet

Side-by-side specs, pricing context, and clear decision guidance.

G Pen Connect

G Pen Connect

Grenco Science from $179.95

VS
IO Hornet

IO Hornet

IO MFG $260

Editorial Summary

G Pen Connect and IO Hornet are both electronic vaporizers, but they target different priorities. G Pen Connect is usually the lower-cost pick at $180, around $80 below IO Hornet. 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.

Price (USD)

G Pen Connect edge

G Pen Connect

$180

IO Hornet

$260

G Pen Connect is typically around $80 lower.

Heating Style

Close call

G Pen Connect

Conduction

IO Hornet

Convection as an injector, hybrid with conduction as a diffuser

Heating style differs, which can impact flavor and extraction behavior.

Key Differences at a Glance

Top specs where these two devices diverge.

10 differences

Price (USD)

G Pen Connect

$180

IO Hornet

$260

Device Type

G Pen Connect

Portable

IO Hornet

Desktop

Heating Type

G Pen Connect

Conduction

IO Hornet

Convection as an injector, hybrid with conduction as a diffuser

Temperature Range

G Pen Connect

180°C - 220°C (356°F - 428°F)

IO Hornet

271-338°C (520-640°F) recommended by IO MFG

Battery Type

G Pen Connect

Internal

IO Hornet

None

Charging

G Pen Connect

Micro-USB

IO Hornet

None

Power Adjustment

G Pen Connect

Digital Control - 3 Stage Modular

IO Hornet

Set on a separate PID controller, included only in the Complete Kit

Chamber Material

G Pen Connect

Ceramic

IO Hornet

316L stainless steel with a Bocote wood handle

Concentrate Support

G Pen Connect

Yes

IO Hornet

Suited to traditional hash, not built for wax or oil

Brand

G Pen Connect

Grenco Science

IO Hornet

IO MFG

Choose G Pen Connect if...

  • You want the lower listed entry price ($180 vs $260).
  • You prefer a conduction heating profile.
  • Your usage leans toward portable and concentrates sessions.

Current price

$179.95

at Slick Vapes

Check price
View full profile

Choose IO Hornet if...

  • You prefer a convection as an injector, hybrid with conduction as a diffuser heating profile.
  • Your usage leans toward desktop and ball vape sessions.
  • You prefer IO Hornet's overall feature mix and form factor.
View IO Hornet Profile

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
SpecificationG Pen ConnectIO Hornet
Price (USD) $180$260
Device Type PortableDesktop
Heating Type ConductionConvection as an injector, hybrid with conduction as a diffuser
Heat Up Time 3-5 minutes on a 16mm coil, longer on 20mm and 25mm adapters
Temperature Range 180°C - 220°C (356°F - 428°F)271-338°C (520-640°F) recommended by IO MFG
Chamber Capacity 0.08g to about 0.2g, around 0.15g for a full draw
Battery Type InternalNone
Battery Capacity 850mAh
Battery Life 10-15 sessions
Charging Micro-USBNone
Charge Time ~2 hours
Dimensions 79.1x59x22.4mm
Power Adjustment Digital Control - 3 Stage ModularSet on a separate PID controller, included only in the Complete Kit
Chamber Material Ceramic316L stainless steel with a Bocote wood handle
Concentrate Support YesSuited to traditional hash, not built for wax or oil
Brand Grenco ScienceIO MFG
Ball Type 100 x 2.5mm lab grown ruby balls
Bowl Compatibility Classic DynaVap tips, IO conduction and glass bowls, many third party 14mm bowls
Coil Size 16mm, with adapters for 20mm and 25mm coils
Haptic Feedback No
Heating Element Ceramic
Joint Size 14mm bowls included, 10mm and 14mm diffusers, 14mm and 22mm injectors
Manufacturer IO MFG LLC
Release Date 20192024
Session Style On-Demand
Warranty 1 yearNone, IO MFG sells the Hornet as is with no express or implied warranty

Comparison FAQs

What is the biggest difference between the G Pen Connect and the IO Hornet?

The biggest practical difference is form factor: these aren't the same kind of device. G Pen Connect is a portable, IO Hornet is a desktop. Pick based on whether you want something portable or something stationary.

Which is cheaper, the G Pen Connect or the IO Hornet?

G Pen Connect is the cheaper option at $180 compared with $260 for the IO Hornet, about $80 less. Live retailer pricing can shift, so confirm before buying.

What's the difference in heating between the G Pen Connect and the IO Hornet?

G Pen Connect uses conduction heating, while the IO Hornet uses convection as an injector, hybrid with conduction as a diffuser. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Is the G Pen Connect or the IO Hornet 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 IO Hornet 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 IO Hornet?

G Pen Connect controls heat with digital control - 3 stage modular, while the IO Hornet uses set on a separate pid controller, included only in the complete kit. G Pen Connect gives you finer per-degree control.

Which has a wider temperature range, the G Pen Connect or the IO Hornet?

IO Hornet covers 271-338°C (520-640°F) recommended by IO MFG, 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.

Is the G Pen Connect or the IO Hornet better for microdosing?

IO Hornet is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.

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