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Vaporizer Comparison

G Pen Hyer vs Session Odyssey

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

G Pen Hyer

G Pen Hyer

Grenco Science from $249.99

VS
Session Odyssey

Session Odyssey

Kandypens from $149.97 CAD

Editorial Summary

G Pen Hyer and Session Odyssey are both portable / conduction vaporizers, but they target different priorities. Session Odyssey is usually the lower-cost pick at $50, around $100 below G Pen Hyer. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.

Specs Compared

22

Different Specs

18

Shared Specs

4

Overall Overlap

18%

Shared Traits

Portable Conduction Electronic Concentrates

Head-to-Head Highlights

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

Price (USD)

Session Odyssey edge

G Pen Hyer

$150

Session Odyssey

$50

Session Odyssey is typically around $100 lower.

Heating Style

Close call

G Pen Hyer

Conduction

Session Odyssey

Conduction

Both devices use a similar heating approach.

Key Differences at a Glance

Top specs where these two devices diverge.

9 differences

Price (USD)

G Pen Hyer

$150

Session Odyssey

$50

Temperature Range

G Pen Hyer

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

Session Odyssey

N/A

Chamber Capacity

G Pen Hyer

~0.5g

Session Odyssey

Up to ~0.2g

Battery Type

G Pen Hyer

External Battery Pack

Session Odyssey

Internal

Battery Capacity

G Pen Hyer

6000mAh

Session Odyssey

1200mAh

Charge Time

G Pen Hyer

2.5 - 3 hours

Session Odyssey

~1 hour

Power Adjustment

G Pen Hyer

Digital Control - 5 Stage Modular

Session Odyssey

4 Voltage Settings

Chamber Material

G Pen Hyer

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

Session Odyssey

Ceramic

Brand

G Pen Hyer

Grenco Science

Session Odyssey

Kandypens

Choose G Pen Hyer if...

  • Your usage leans toward premium sessions.
  • You prefer G Pen Hyer's overall feature mix and form factor.
  • You value how the G Pen Hyer balances size, controls, and everyday practicality.

Current price

$249.99

at Slick Vapes

Check price
View full profile

Choose Session Odyssey if...

  • You want the lower listed entry price ($50 vs $150).
  • Your usage leans toward budget sessions.
  • You prefer Session Odyssey's overall feature mix and form factor.

Current price

$149.97CAD

at Mind Vapes

Check price
View full 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.

18 differ 4 shared
SpecificationG Pen HyerSession Odyssey
Price (USD) $150$50
Device Type PortablePortable
Heating Type ConductionConduction
Temperature Range 180°C - 220°C dry herb, 250°C - 450°C concentrateN/A
Chamber Capacity ~0.5gUp to ~0.2g
Battery Type External Battery PackInternal
Battery Capacity 6000mAh1200mAh
Battery Life ~10 sessions
Charging USB-CUSB-C
Charge Time 2.5 - 3 hours~1 hour
Height 6.4cm
Weight ~125g
Power Adjustment Digital Control - 5 Stage Modular4 Voltage Settings
Chamber Material Ceramic (dry herb tank), Quartz (concentrate tank)Ceramic
Concentrate Support YesYes
Brand Grenco ScienceKandypens
Body Material Aluminum Alloy
Display Type LED Light User Interface
Haptic Feedback No
Heating Element Stainless Steel
Release Date 2022
Session Style Session

Comparison FAQs

What is the biggest difference between the G Pen Hyer and the Session Odyssey?

The biggest practical difference is price tier: the Session Odyssey sits at $50 while the G Pen Hyer is $150, a gap of about $100 that puts them in different buying brackets.

Which is cheaper, the G Pen Hyer or the Session Odyssey?

Session Odyssey is the cheaper option at $50 compared with $150 for the G Pen Hyer, about $100 less. Live retailer pricing can shift, so confirm before buying.

Does the G Pen Hyer or the Session Odyssey hold more flower?

G Pen Hyer has the larger chamber at ~0.5g, versus Up to ~0.2g on the Session Odyssey. 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 Session Odyssey?

G Pen Hyer controls heat with digital control - 5 stage modular, while the Session Odyssey uses 4 voltage settings. G Pen Hyer gives you finer per-degree control.

Which charges faster, the G Pen Hyer or the Session Odyssey?

Session Odyssey fully charges in ~1 hour, ahead of 2.5 - 3 hours on the G Pen Hyer.

Can I use concentrates with the G Pen Hyer or the Session Odyssey?

Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.

How similar are the G Pen Hyer and the Session Odyssey?

Across the 22 specs we line up, they share 4 and differ on 18, an overlap of about 18%. The differences are concentrated in the areas the spec table highlights with a marker.

Need a different matchup?

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