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Vaporizer Comparison

G Pen Hyer vs Tempest 2

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

G Pen Hyer

G Pen Hyer

Grenco Science from $249.99

VS
Tempest 2

Tempest 2

Mad Heaters from £165.83 GBP

Editorial Summary

G Pen Hyer and Tempest 2 are both portable / premium vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $29 below Tempest 2. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.

Specs Compared

26

Different Specs

25

Shared Specs

1

Overall Overlap

4%

Shared Traits

Portable Premium

Head-to-Head Highlights

A quick snapshot of the specs people usually care about first.

Price (USD)

G Pen Hyer edge

G Pen Hyer

$150

Tempest 2

$179

G Pen Hyer is typically around $29 lower.

Heating Style

Close call

G Pen Hyer

Conduction

Tempest 2

Convection-heavy with thermal ball matrix

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 Hyer

$150

Tempest 2

$179

Heating Type

G Pen Hyer

Conduction

Tempest 2

Convection-heavy with thermal ball matrix

Temperature Range

G Pen Hyer

180°C - 220°C dry herb, 250°C - 450°C concentrate

Tempest 2

N/A

Chamber Capacity

G Pen Hyer

~0.5g

Tempest 2

0.1g - 0.2g (adjustable)

Battery Type

G Pen Hyer

External Battery Pack

Tempest 2

None

Battery Capacity

G Pen Hyer

6000mAh

Tempest 2

N/A

Charging

G Pen Hyer

USB-C

Tempest 2

N/A

Charge Time

G Pen Hyer

2.5 - 3 hours

Tempest 2

N/A

Power Adjustment

G Pen Hyer

Digital Control - 5 Stage Modular

Tempest 2

Visual gauge with click indicators

Chamber Material

G Pen Hyer

Ceramic (dry herb tank), Quartz (concentrate tank)

Tempest 2

Titanium

Choose G Pen Hyer if...

  • You want the lower listed entry price ($150 vs $179).
  • You prefer a conduction heating profile.
  • Your usage leans toward conduction and electronic sessions.

Current price

$249.99

at Slick Vapes

Check price
View full profile

Choose Tempest 2 if...

  • You prefer a convection-heavy with thermal ball matrix heating profile.
  • Your usage leans toward analog and hybrid sessions.
  • You prefer Tempest 2's overall feature mix and form factor.

Current price

£165.83GBP

at Mad Heaters

Check price
View full profile

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.

Spec Comparison Table

Direct comparison of every spec from each device profile.

25 differ 1 shared
SpecificationG Pen HyerTempest 2
Price (USD) $150$179
Device Type PortablePortable
Heating Type ConductionConvection-heavy with thermal ball matrix
Heat Up Time ~30-45 seconds with torch
Temperature Range 180°C - 220°C dry herb, 250°C - 450°C concentrateN/A
Chamber Capacity ~0.5g0.1g - 0.2g (adjustable)
Battery Type External Battery PackNone
Battery Capacity 6000mAhN/A
Battery Life N/A
Charging USB-CN/A
Charge Time 2.5 - 3 hoursN/A
Dimensions 122mm x 18.5mm
Weight 46g
Power Adjustment Digital Control - 5 Stage ModularVisual gauge with click indicators
Chamber Material Ceramic (dry herb tank), Quartz (concentrate tank)Titanium
Concentrate Support Yes
Brand Grenco ScienceMad Heaters
Adjustable Airflow Yes
Body Material Grade 5 titanium, aluminum heat shield, stainless steel
Country of Manufacture Made in China, Assembled in the UK
Display Type LED Light User Interface
Haptic Feedback No
Heating Element Stainless Steel
Release Date 2022
Session Style Session
Warranty 1 year

Comparison FAQs

What is the biggest difference between the G Pen Hyer and the Tempest 2?

The biggest practical difference is heating approach: G Pen Hyer runs conduction while Tempest 2 runs convection-heavy with thermal ball matrix. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.

Which is cheaper, the G Pen Hyer or the Tempest 2?

G Pen Hyer is the cheaper option at $150 compared with $179 for the Tempest 2, about $29 less. Live retailer pricing can shift, so confirm before buying.

What's the difference in heating between the G Pen Hyer and the Tempest 2?

G Pen Hyer uses conduction heating, while the Tempest 2 uses convection-heavy with thermal ball matrix. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Does the G Pen Hyer or the Tempest 2 hold more flower?

G Pen Hyer has the larger chamber at ~0.5g, versus 0.1g - 0.2g (adjustable) on the Tempest 2. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.

Can I set custom temperatures on the G Pen Hyer or the Tempest 2?

G Pen Hyer controls heat with digital control - 5 stage modular, while the Tempest 2 uses visual gauge with click indicators. G Pen Hyer gives you finer per-degree control.

Need a different matchup?

Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.