Price (USD)
G Pen Hyer edgeG Pen Hyer
$150
Transient Mist T Vibe
$215
G Pen Hyer is typically around $65 lower.
Vaporizer Comparison
G Pen Hyer vs Transient Mist T Vibe
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
VS
Transient Mist T Vibe
Transient Mist $215
Editorial Summary
G Pen Hyer and Transient Mist T Vibe are both portable / electronic vaporizers, but they target different priorities. G Pen Hyer is usually the lower-cost pick at $150, around $65 below Transient Mist T Vibe. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
27
Different Specs
26
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Hyer
Conduction
Transient Mist T Vibe
Convection
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
G Pen Hyer
$150
Transient Mist T Vibe
$215
Heating Type
G Pen Hyer
Conduction
Transient Mist T Vibe
Convection
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
Transient Mist T Vibe
40-240°C (104-464°F)
Battery Type
G Pen Hyer
External Battery Pack
Transient Mist T Vibe
Removable 21700, rated 12C (40A) or higher
Battery Capacity
G Pen Hyer
6000mAh
Transient Mist T Vibe
5000mAh Molicel P50B (battery version)
Charging
G Pen Hyer
USB-C
Transient Mist T Vibe
USB-C, 5V/2A
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
Transient Mist T Vibe
Digital, with an optional 5°C step mode
Brand
G Pen Hyer
Grenco Science
Transient Mist T Vibe
Transient Mist
Display Type
G Pen Hyer
LED Light User Interface
Transient Mist T Vibe
0.96-inch colour OLED
Haptic Feedback
G Pen Hyer
No
Transient Mist T Vibe
Yes
Choose G Pen Hyer if...
- You want the lower listed entry price ($150 vs $215).
- You prefer a conduction heating profile.
- Your usage leans toward conduction and concentrates sessions.
Current price
$249.99
at Slick Vapes
Choose Transient Mist T Vibe if...
- You prefer a convection heating profile.
- Your usage leans toward convection and battery swap sessions.
- You prefer Transient Mist T Vibe's overall feature mix and form factor.
Typical price
$215
Sold by Transient Mist
Prices are read automatically from retailer pages and were last checked Oct 2, 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 1 shared
| Specification | G Pen Hyer | Transient Mist T Vibe |
|---|---|---|
| Price (USD) | $150 | $215 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | — | 3-6 seconds to 200°C, under 2 seconds to reheat |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 40-240°C (104-464°F) |
| Chamber Capacity | ~0.5g | — |
| Battery Type | External Battery Pack | Removable 21700, rated 12C (40A) or higher |
| Battery Capacity | 6000mAh | 5000mAh Molicel P50B (battery version) |
| Charging | USB-C | USB-C, 5V/2A |
| Charge Time | 2.5 - 3 hours | — |
| Pass-Through Charging | — | No |
| Dimensions | — | 95 x 32 x 59mm |
| Weight | — | 230g with battery |
| Power Adjustment | Digital Control - 5 Stage Modular | Digital, with an optional 5°C step mode |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | — |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Transient Mist |
| Adjustable Airflow | — | Yes, stepless 2.2-6mm dial |
| Airpath | — | CNC-machined PEEK, separate from the electronics |
| Body Material | — | PC and PEEK (black) or PPSU and PEEK (translucent) |
| Display Type | LED Light User Interface | 0.96-inch colour OLED |
| Haptic Feedback | No | Yes |
| Heating Element | Stainless Steel | 0.05mm SUS316L stainless steel foil, 10-turn cylinder |
| Release Date | 2022 | October 2026 |
| Session Style | Session | Session (up to 220°C, 100-500 second timer) and on-demand |
| Warranty | — | 2-year limited |
| Water Pipe Adapter | — | 14mm and 18mm included |
Comparison FAQs
What is the biggest difference between the G Pen Hyer and the Transient Mist T Vibe?
The biggest practical difference is heating approach: G Pen Hyer runs conduction while Transient Mist T Vibe runs convection. 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 Transient Mist T Vibe?
G Pen Hyer is the cheaper option at $150 compared with $215 for the Transient Mist T Vibe, about $65 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Hyer and the Transient Mist T Vibe?
G Pen Hyer uses conduction heating, while the Transient Mist T Vibe uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Can I swap the batteries on the G Pen Hyer or the Transient Mist T Vibe?
Transient Mist T Vibe uses removable 21700, rated 12c (40a) or higher, so you can carry spares for back-to-back days. The G Pen Hyer has a built-in battery you can't swap on the go.
Which has a wider temperature range, the G Pen Hyer or the Transient Mist T Vibe?
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, a wider band than the Transient Mist T Vibe at 40-240°C (104-464°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.