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Vaporizer Comparison

G Pen Elite II vs IO Hornet

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

G Pen Elite II

G Pen Elite II

Grenco Science from $180

VS
IO Hornet

IO Hornet

IO MFG $260

Editorial Summary

G Pen Elite II and IO Hornet are both electronic vaporizers, but they target different priorities. Their listed prices are close ($250 vs $260). G Pen Elite II has the quicker listed heat-up profile, which can matter for shorter sessions.

Specs Compared

28

Different Specs

28

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)

Close call

G Pen Elite II

$250

IO Hornet

$260

Pricing is very close between both devices.

Heat-Up Time

G Pen Elite II edge

G Pen Elite II

~30 seconds

IO Hornet

3-5 minutes on a 16mm coil, longer on 20mm and 25mm adapters

G Pen Elite II has the quicker listed heat-up profile.

Heating Style

Close call

G Pen Elite II

Hybrid (Primarily 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 Elite II

$250

IO Hornet

$260

Device Type

G Pen Elite II

Portable

IO Hornet

Desktop

Heating Type

G Pen Elite II

Hybrid (Primarily Conduction)

IO Hornet

Convection as an injector, hybrid with conduction as a diffuser

Heat Up Time

G Pen Elite II

~30 seconds

IO Hornet

3-5 minutes on a 16mm coil, longer on 20mm and 25mm adapters

Temperature Range

G Pen Elite II

93°C - 220°C (200°F - 428°F)

IO Hornet

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

Chamber Capacity

G Pen Elite II

0.3 - 0.5 grams

IO Hornet

0.08g to about 0.2g, around 0.15g for a full draw

Battery Type

G Pen Elite II

Internal

IO Hornet

None

Charging

G Pen Elite II

USB-C

IO Hornet

None

Power Adjustment

G Pen Elite II

Digital Control

IO Hornet

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

Chamber Material

G Pen Elite II

Ceramic

IO Hornet

316L stainless steel with a Bocote wood handle

Choose G Pen Elite II if...

  • You care about faster heat-up time for quicker sessions.
  • You prefer a hybrid (primarily conduction) heating profile.
  • Your usage leans toward portable and hybrid sessions.

Lowest price

$180

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.

28 differ 0 shared
SpecificationG Pen Elite IIIO Hornet
Price (USD) $250$260
Device Type PortableDesktop
Heating Type Hybrid (Primarily Conduction)Convection as an injector, hybrid with conduction as a diffuser
Heat Up Time ~30 seconds3-5 minutes on a 16mm coil, longer on 20mm and 25mm adapters
Temperature Range 93°C - 220°C (200°F - 428°F)271-338°C (520-640°F) recommended by IO MFG
Chamber Capacity 0.3 - 0.5 grams0.08g to about 0.2g, around 0.15g for a full draw
Battery Type InternalNone
Battery Capacity 2100mAh
Battery Life ~1 hour of use
Charging USB-CNone
Charge Time 90 minutes
Dimensions 117x30x28mm
Weight 146g
Power Adjustment Digital ControlSet on a separate PID controller, included only in the Complete Kit
Chamber Material Ceramic316L stainless steel with a Bocote wood handle
Concentrate Support Suited to traditional hash, not built for wax or oil
Brand Grenco ScienceIO MFG
Adjustable Airflow Yes
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
Display Type High Resolution TFT (LCD)
Joint Size 14mm bowls included, 10mm and 14mm diffusers, 14mm and 22mm injectors
Manufacturer IO MFG LLC
Mouthpiece Material Zirconia
Release Date 20222024
Session Style SessionOn-Demand
Warranty 2 yearsNone, IO MFG sells the Hornet as is with no express or implied warranty

Comparison FAQs

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

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

Which heats up faster, the G Pen Elite II or the IO Hornet?

G Pen Elite II reaches session-ready temperature in ~30 seconds, while the IO Hornet takes 3-5 minutes on a 16mm coil, longer on 20mm and 25mm adapters. That's roughly 210 seconds quicker on the G Pen Elite II, which is useful if you want shorter, on-demand sessions.

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

G Pen Elite II uses hybrid (primarily 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.

Does the G Pen Elite II or the IO Hornet hold more flower?

G Pen Elite II has the larger chamber at 0.3 - 0.5 grams, versus 0.08g to about 0.2g, around 0.15g for a full draw on the IO Hornet. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.

Is the G Pen Elite II or the IO Hornet better for home versus on-the-go use?

G Pen Elite II 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.

Which is cheaper, the G Pen Elite II or the IO Hornet?

Listed prices are close: $250 for the G Pen Elite II versus $260 for the IO Hornet. Day-to-day price will likely come down to whichever retailer is running a promotion.

Can I set custom temperatures on the G Pen Elite II or the IO Hornet?

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

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