Price (USD)
G Pen Connect edgeG Pen Connect
$180
Transient Mist Flow Pro
$236
G Pen Connect is typically around $56 lower.
Vaporizer Comparison
G Pen Connect vs Transient Mist Flow Pro
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Connect
Grenco Science from $179.95
VS
Transient Mist Flow Pro
Transient Mist $236
Editorial Summary
G Pen Connect and Transient Mist Flow Pro are both portable / electronic vaporizers, but they target different priorities. G Pen Connect is usually the lower-cost pick at $180, around $56 below Transient Mist Flow Pro. 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 Connect
Conduction
Transient Mist Flow Pro
Hybrid
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 Connect
$180
Transient Mist Flow Pro
$236
Heating Type
G Pen Connect
Conduction
Transient Mist Flow Pro
Hybrid
Temperature Range
G Pen Connect
180°C - 220°C (356°F - 428°F)
Transient Mist Flow Pro
40-240°C (104-464°F)
Battery Type
G Pen Connect
Internal
Transient Mist Flow Pro
Removable 18650, rated 10C or higher
Battery Capacity
G Pen Connect
850mAh
Transient Mist Flow Pro
3000mAh Molicel P30B (manual lists a 2800mAh P28A)
Charging
G Pen Connect
Micro-USB
Transient Mist Flow Pro
USB-C, 5V/2A
Dimensions
G Pen Connect
79.1x59x22.4mm
Transient Mist Flow Pro
105 x 63 x 24mm
Power Adjustment
G Pen Connect
Digital Control - 3 Stage Modular
Transient Mist Flow Pro
Digital, with an optional 5°C step mode
Chamber Material
G Pen Connect
Ceramic
Transient Mist Flow Pro
Aluminum bowl
Brand
G Pen Connect
Grenco Science
Transient Mist Flow Pro
Transient Mist
Choose G Pen Connect if...
- You want the lower listed entry price ($180 vs $236).
- You prefer a conduction heating profile.
- Your usage leans toward concentrates and conduction sessions.
Current price
$179.95
at Slick Vapes
Choose Transient Mist Flow Pro if...
- You prefer a hybrid heating profile.
- Your usage leans toward hybrid and battery swap sessions.
- You prefer Transient Mist Flow Pro's overall feature mix and form factor.
Typical price
$236
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 Connect | Transient Mist Flow Pro |
|---|---|---|
| Price (USD) | $180 | $236 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Hybrid |
| Heat Up Time | — | 3-6 seconds to 200°C, under 2 seconds to reheat |
| Temperature Range | 180°C - 220°C (356°F - 428°F) | 40-240°C (104-464°F) |
| Battery Type | Internal | Removable 18650, rated 10C or higher |
| Battery Capacity | 850mAh | 3000mAh Molicel P30B (manual lists a 2800mAh P28A) |
| Battery Life | 10-15 sessions | — |
| Charging | Micro-USB | USB-C, 5V/2A |
| Charge Time | ~2 hours | — |
| Pass-Through Charging | — | No |
| Dimensions | 79.1x59x22.4mm | 105 x 63 x 24mm |
| Weight | — | 230g with battery (215g in the manual) |
| Power Adjustment | Digital Control - 3 Stage Modular | Digital, with an optional 5°C step mode |
| Chamber Material | Ceramic | Aluminum bowl |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | Transient Mist |
| Airpath | — | CNC-machined PEEK, separate from the electronics |
| Body Material | — | PC and PEEK |
| Display Type | — | 0.96-inch colour OLED |
| Dosing Capsules | — | Yes, or loose herb |
| Haptic Feedback | No | Yes |
| Heating Element | Ceramic | 0.05mm SUS316L stainless steel foil cylinder |
| Release Date | 2019 | October 2026 |
| Session Style | — | Session (up to 220°C, 100-500 second timer) and on-demand |
| Warranty | 1 year | 2-year limited |
| Water Pipe Adapter | — | 14mm and 18mm included |
Comparison FAQs
What is the biggest difference between the G Pen Connect and the Transient Mist Flow Pro?
The biggest practical difference is heating approach: G Pen Connect runs conduction while Transient Mist Flow Pro runs hybrid. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the G Pen Connect or the Transient Mist Flow Pro?
G Pen Connect is the cheaper option at $180 compared with $236 for the Transient Mist Flow Pro, about $56 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Connect and the Transient Mist Flow Pro?
G Pen Connect uses conduction heating, while the Transient Mist Flow Pro uses hybrid. 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 Connect or the Transient Mist Flow Pro?
Transient Mist Flow Pro uses removable 18650, rated 10c or higher, so you can carry spares for back-to-back days. The G Pen Connect has a built-in battery you can't swap on the go.
Which has a wider temperature range, the G Pen Connect or the Transient Mist Flow Pro?
Transient Mist Flow Pro covers 40-240°C (104-464°F), a wider band than the G Pen Connect at 180°C - 220°C (356°F - 428°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Which uses USB-C, the G Pen Connect or the Transient Mist Flow Pro?
Transient Mist Flow Pro charges over USB-C; the G Pen Connect uses a Micro-USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
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