Price (USD)
G Pen Roam edgeG Pen Roam
$100
Tafee Flaske
$567
G Pen Roam is typically around $467 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
Tafee Flaske
Tafee $567
G Pen Roam and Tafee Flaske are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $467 below Tafee Flaske. Heat-up speed is broadly similar between the two.
Specs Compared
26
Different Specs
24
Shared Specs
2
Overall Overlap
8%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$100
Tafee Flaske
$567
G Pen Roam is typically around $467 lower.
G Pen Roam
~5 seconds
Tafee Flaske
~1 second, on demand
Both devices are in a similar heat-up range.
G Pen Roam
~317g
Tafee Flaske
226 grams
Tafee Flaske is the lighter listed unit.
G Pen Roam
Conduction
Tafee Flaske
Pure convection, breath sensing
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$100
Tafee Flaske
$567
Heating Type
G Pen Roam
Conduction
Tafee Flaske
Pure convection, breath sensing
Heat Up Time
G Pen Roam
~5 seconds
Tafee Flaske
~1 second, on demand
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Tafee Flaske
Up to 260°C (500°F)
Battery Type
G Pen Roam
Internal
Tafee Flaske
21700 lithium-ion (user replaceable)
Battery Capacity
G Pen Roam
1300mAh
Tafee Flaske
5000mAh
Battery Life
G Pen Roam
15-20 sessions
Tafee Flaske
Multiple sessions per charge, recharge every 4 to 6 pots
Charging
G Pen Roam
Micro-USB
Tafee Flaske
USB-C, Quick Charge 3.0
Charge Time
G Pen Roam
~2 hours
Tafee Flaske
~90 minutes
Weight
G Pen Roam
~317g
Tafee Flaske
226 grams
Lowest price
$49.95
at G Pen
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.
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | Tafee Flaske |
|---|---|---|
| Price (USD) | $100 | $567 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Pure convection, breath sensing |
| Heat Up Time | ~5 seconds | ~1 second, on demand |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | Up to 260°C (500°F) |
| Chamber Capacity | — | ~0.10g per ceramic pot |
| Battery Type | Internal | 21700 lithium-ion (user replaceable) |
| Battery Capacity | 1300mAh | 5000mAh |
| Battery Life | 15-20 sessions | Multiple sessions per charge, recharge every 4 to 6 pots |
| Charging | Micro-USB | USB-C, Quick Charge 3.0 |
| Charge Time | ~2 hours | ~90 minutes |
| Dimensions | — | 110 x 82.5 x 28mm |
| Weight | ~317g | 226 grams |
| Power Adjustment | Digital Control | Five preset power levels (Soft, Low, Medium, High, Max) |
| Chamber Material | Quartz | Food grade ceramic oven pots with stainless steel screens |
| Concentrate Support | Yes | Ceramic pots are rated for loose leaf and extracts |
| Brand | Grenco Science | Tafee |
| Adjustable Airflow | No | No (isolated air path with low resistance) |
| Country of Manufacture | — | Canada |
| Display Type | LED | — |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | Tafee Technologies Corporation, Burlington, Ontario |
| Pot Vault | — | Stores two preloaded ceramic pots in the body |
| Release Date | 2020 | 2026 |
| Session Style | — | On-Demand |
| Warranty | 1 year | 2 years on the device, excluding mouthpieces, stem, ceramic pots and shredder |
The biggest practical difference is price tier: the G Pen Roam sits at $100 while the Tafee Flaske is $567, a gap of about $467 that puts them in different buying brackets.
G Pen Roam is the cheaper option at $100 compared with $567 for the Tafee Flaske, about $467 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam uses conduction heating, while the Tafee Flaske uses pure convection, breath sensing. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Tafee Flaske is the lighter unit at 226 grams, around 91g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Tafee Flaske uses 21700 lithium-ion (user replaceable), so you can carry spares for back-to-back days. The G Pen Roam has a built-in battery you can't swap on the go.
Heat-up times are very close: ~5 seconds on the G Pen Roam and ~1 second, on demand on the Tafee Flaske. The real-world difference will be hard to notice mid-session.
G Pen Roam controls heat with digital control, while the Tafee Flaske uses five preset power levels (soft, low, medium, high, max). G Pen Roam gives you finer per-degree control.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.