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Vaporizer Comparison

G Pen Elite II vs Transient Mist Flow Pro

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

G Pen Elite II

G Pen Elite II

Grenco Science from $180

VS
Transient Mist Flow Pro

Transient Mist Flow Pro

Transient Mist $236

Editorial Summary

G Pen Elite II and Transient Mist Flow Pro are both portable / electronic vaporizers, but they target different priorities. Their listed prices are close ($250 vs $236). Transient Mist Flow Pro has the quicker listed heat-up profile, which can matter for shorter sessions.

Specs Compared

29

Different Specs

28

Shared Specs

1

Overall Overlap

3%

Shared Traits

Portable Electronic Hybrid

Head-to-Head Highlights

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

Price (USD)

Close call

G Pen Elite II

$250

Transient Mist Flow Pro

$236

Pricing is very close between both devices.

Heat-Up Time

Transient Mist Flow Pro edge

G Pen Elite II

~30 seconds

Transient Mist Flow Pro

3-6 seconds to 200°C, under 2 seconds to reheat

Transient Mist Flow Pro has the quicker listed heat-up profile.

Weight

G Pen Elite II edge

G Pen Elite II

146g

Transient Mist Flow Pro

230g with battery (215g in the manual)

G Pen Elite II is the lighter listed unit.

Heating Style

Close call

G Pen Elite II

Hybrid (Primarily 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.

10 differences

Price (USD)

G Pen Elite II

$250

Transient Mist Flow Pro

$236

Heating Type

G Pen Elite II

Hybrid (Primarily Conduction)

Transient Mist Flow Pro

Hybrid

Heat Up Time

G Pen Elite II

~30 seconds

Transient Mist Flow Pro

3-6 seconds to 200°C, under 2 seconds to reheat

Temperature Range

G Pen Elite II

93°C - 220°C (200°F - 428°F)

Transient Mist Flow Pro

40-240°C (104-464°F)

Battery Type

G Pen Elite II

Internal

Transient Mist Flow Pro

Removable 18650, rated 10C or higher

Battery Capacity

G Pen Elite II

2100mAh

Transient Mist Flow Pro

3000mAh Molicel P30B (manual lists a 2800mAh P28A)

Charging

G Pen Elite II

USB-C

Transient Mist Flow Pro

USB-C, 5V/2A

Dimensions

G Pen Elite II

117x30x28mm

Transient Mist Flow Pro

105 x 63 x 24mm

Weight

G Pen Elite II

146g

Transient Mist Flow Pro

230g with battery (215g in the manual)

Power Adjustment

G Pen Elite II

Digital Control

Transient Mist Flow Pro

Digital, with an optional 5°C step mode

Choose G Pen Elite II if...

  • You want the lighter unit for carrying and travel.
  • You prefer a hybrid (primarily conduction) heating profile.
  • Your usage leans toward conduction and ceramic chamber sessions.

Lowest price

$180

at Slick Vapes

View full profile

Choose Transient Mist Flow Pro if...

  • You care about faster heat-up time for quicker sessions.
  • You prefer a hybrid heating profile.
  • Your usage leans toward battery swap sessions.

Typical price

$236

Sold by Transient Mist

Check price
View full profile

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.

28 differ 1 shared
SpecificationG Pen Elite IITransient Mist Flow Pro
Price (USD) $250$236
Device Type PortablePortable
Heating Type Hybrid (Primarily Conduction)Hybrid
Heat Up Time ~30 seconds3-6 seconds to 200°C, under 2 seconds to reheat
Temperature Range 93°C - 220°C (200°F - 428°F)40-240°C (104-464°F)
Chamber Capacity 0.3 - 0.5 grams—
Battery Type InternalRemovable 18650, rated 10C or higher
Battery Capacity 2100mAh3000mAh Molicel P30B (manual lists a 2800mAh P28A)
Battery Life ~1 hour of use—
Charging USB-CUSB-C, 5V/2A
Charge Time 90 minutes—
Pass-Through Charging —No
Dimensions 117x30x28mm105 x 63 x 24mm
Weight 146g230g with battery (215g in the manual)
Power Adjustment Digital ControlDigital, with an optional 5°C step mode
Chamber Material CeramicAluminum bowl
Brand Grenco ScienceTransient Mist
Adjustable Airflow Yes—
Airpath —CNC-machined PEEK, separate from the electronics
Body Material —PC and PEEK
Display Type High Resolution TFT (LCD)0.96-inch colour OLED
Dosing Capsules —Yes, or loose herb
Haptic Feedback —Yes
Heating Element —0.05mm SUS316L stainless steel foil cylinder
Mouthpiece Material Zirconia—
Release Date 2022October 2026
Session Style SessionSession (up to 220°C, 100-500 second timer) and on-demand
Warranty 2 years2-year limited
Water Pipe Adapter —14mm and 18mm included

Comparison FAQs

What is the biggest difference between the G Pen Elite II and the Transient Mist Flow Pro?

The biggest practical difference is heating approach: G Pen Elite II runs hybrid (primarily 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 heats up faster, the G Pen Elite II or the Transient Mist Flow Pro?

Transient Mist Flow Pro reaches session-ready temperature in 3-6 seconds to 200°C, under 2 seconds to reheat, while the G Pen Elite II takes ~30 seconds. That's roughly 26 seconds quicker on the Transient Mist Flow Pro, which is useful if you want shorter, on-demand sessions.

What's the difference in heating between the G Pen Elite II and the Transient Mist Flow Pro?

G Pen Elite II uses hybrid (primarily 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.

Which is lighter, the G Pen Elite II or the Transient Mist Flow Pro?

G Pen Elite II is the lighter unit at 146g, around 84g less than the Transient Mist Flow Pro at 230g with battery (215g in the manual). The lighter device is easier to carry and pocket day-to-day.

Which is cheaper, the G Pen Elite II or the Transient Mist Flow Pro?

Listed prices are close: $250 for the G Pen Elite II versus $236 for the Transient Mist Flow Pro. Day-to-day price will likely come down to whichever retailer is running a promotion.

Can I swap the batteries on the G Pen Elite II 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 Elite II has a built-in battery you can't swap on the go.

Which has a wider temperature range, the G Pen Elite II or the Transient Mist Flow Pro?

Transient Mist Flow Pro covers 40-240°C (104-464°F), a wider band than the G Pen Elite II at 93°C - 220°C (200°F - 428°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.

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