Price (USD)
Session Odyssey edgeG Pen Roam
$200
Session Odyssey
$50
Session Odyssey is typically around $150 lower.
Vaporizer Comparison
G Pen Roam vs Session Odyssey
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
VS
Session Odyssey
Kandypens $50
Editorial Summary
G Pen Roam and Session Odyssey are both portable / electronic vaporizers, but they target different priorities. Session Odyssey is usually the lower-cost pick at $50, around $150 below G Pen Roam. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
20
Shared Specs
4
Overall Overlap
17%
Shared Traits
Portable Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
Session Odyssey edgeG Pen Roam
~317g
Session Odyssey
~125g
Session Odyssey is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Session Odyssey
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
Session Odyssey
$50
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Session Odyssey
N/A
Battery Capacity
G Pen Roam
1300mAh
Session Odyssey
1200mAh
Battery Life
G Pen Roam
15-20 sessions
Session Odyssey
~10 sessions
Charging
G Pen Roam
Micro-USB
Session Odyssey
USB-C
Charge Time
G Pen Roam
~2 hours
Session Odyssey
~1 hour
Weight
G Pen Roam
~317g
Session Odyssey
~125g
Power Adjustment
G Pen Roam
Digital Control
Session Odyssey
Modular - 3 Stages
Chamber Material
G Pen Roam
Quartz
Session Odyssey
Ceramic
Brand
G Pen Roam
Grenco Science
Session Odyssey
Kandypens
Choose G Pen Roam if...
- You prefer G Pen Roam's overall feature mix and form factor.
- You value how the G Pen Roam balances size, controls, and everyday practicality.
Choose Session Odyssey if...
- You want the lower listed entry price ($50 vs $200).
- You want the lighter unit for carrying and travel.
- Your usage leans toward budget and conduction sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
20 differ 4 shared
| Specification | G Pen Roam | Session Odyssey |
|---|---|---|
| Price (USD) | $200 | $50 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~5 seconds | — |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | N/A |
| Chamber Capacity | — | Up to ~0.2g |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 1200mAh |
| Battery Life | 15-20 sessions | ~10 sessions |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2 hours | ~1 hour |
| Dimensions | 178x127x102mm | — |
| Height | — | 6.4cm |
| Weight | ~317g | ~125g |
| Power Adjustment | Digital Control | Modular - 3 Stages |
| Chamber Material | Quartz | Ceramic |
| Concentrate Support | Yes | Yes |
| Brand | Grenco Science | Kandypens |
| Adjustable Airflow | No | — |
| Body Material | — | Aluminum Alloy |
| Display Type | LED | — |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | — |
| Warranty | 1 year | — |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Session Odyssey?
The biggest practical difference is price tier: the Session Odyssey sits at $50 while the G Pen Roam is $200, a gap of about $150 that puts them in different buying brackets.
Which is cheaper, the G Pen Roam or the Session Odyssey?
Session Odyssey is the cheaper option at $50 compared with $200 for the G Pen Roam, about $150 less. Live retailer pricing can shift, so confirm before buying.
Which is lighter, the G Pen Roam or the Session Odyssey?
Session Odyssey is the lighter unit at ~125g, around 192g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Can I set custom temperatures on the G Pen Roam or the Session Odyssey?
G Pen Roam controls heat with digital control, while the Session Odyssey uses modular - 3 stages. G Pen Roam gives you finer per-degree control.
Which charges faster, the G Pen Roam or the Session Odyssey?
Session Odyssey fully charges in ~1 hour, ahead of ~2 hours on the G Pen Roam.
What battery life can I expect from the G Pen Roam and the Session Odyssey?
G Pen Roam's spec sheet lists 15-20 sessions; the Session Odyssey lists ~10 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Can I use concentrates with the G Pen Roam 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.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.