Price (USD)
G Pen Roam edgeG Pen Roam
$100
Tafee Bowle Series 2
$449
G Pen Roam is typically around $349 lower.
Vaporizer Comparison
G Pen Roam vs Tafee Bowle Series 2
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science from $49.95
VS
Tafee Bowle Series 2
Tafee $449
Editorial Summary
G Pen Roam and Tafee Bowle Series 2 are both portable / electronic vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $349 below Tafee Bowle Series 2. Heat-up speed is broadly similar between the two.
Specs Compared
27
Different Specs
24
Shared Specs
3
Overall Overlap
11%
Shared Traits
Portable Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callG Pen Roam
~5 seconds
Tafee Bowle Series 2
~1 second, on demand
Both devices are in a similar heat-up range.
Weight
Tafee Bowle Series 2 edgeG Pen Roam
~317g
Tafee Bowle Series 2
246 grams (puck)
Tafee Bowle Series 2 is the lighter listed unit.
Heating Style
Close callG Pen Roam
Conduction
Tafee Bowle Series 2
Pure convection, breath sensing, isolated air path
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 Roam
$100
Tafee Bowle Series 2
$449
Heating Type
G Pen Roam
Conduction
Tafee Bowle Series 2
Pure convection, breath sensing, isolated air path
Heat Up Time
G Pen Roam
~5 seconds
Tafee Bowle Series 2
~1 second, on demand
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
Tafee Bowle Series 2
Up to 260°C (500°F)
Battery Type
G Pen Roam
Internal
Tafee Bowle Series 2
Internal lithium-ion polymer
Battery Capacity
G Pen Roam
1300mAh
Tafee Bowle Series 2
6000mAh (Series 2)
Battery Life
G Pen Roam
15-20 sessions
Tafee Bowle Series 2
20 to 30 ceramic pots per charge in independent testing
Charging
G Pen Roam
Micro-USB
Tafee Bowle Series 2
USB-C, Quick Charge 3.0
Charge Time
G Pen Roam
~2 hours
Tafee Bowle Series 2
~110 minutes with a 5V 3A charger
Weight
G Pen Roam
~317g
Tafee Bowle Series 2
246 grams (puck)
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $449).
- You prefer a conduction heating profile.
- You prefer G Pen Roam's overall feature mix and form factor.
Lowest price
$49.95
at G Pen
Choose Tafee Bowle Series 2 if...
- You want the lighter unit for carrying and travel.
- You prefer a pure convection, breath sensing, isolated air path heating profile.
- Your usage leans toward convection and premium sessions.
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.
Spec Comparison Table
Direct comparison of every spec from each device profile.
24 differ 3 shared
| Specification | G Pen Roam | Tafee Bowle Series 2 |
|---|---|---|
| Price (USD) | $100 | $449 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Pure convection, breath sensing, isolated air path |
| 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 | Internal lithium-ion polymer |
| Battery Capacity | 1300mAh | 6000mAh (Series 2) |
| Battery Life | 15-20 sessions | 20 to 30 ceramic pots per charge in independent testing |
| Charging | Micro-USB | USB-C, Quick Charge 3.0 |
| Charge Time | ~2 hours | ~110 minutes with a 5V 3A charger |
| Dimensions | — | 77.5mm diameter x 40mm (puck) |
| Weight | ~317g | 246 grams (puck) |
| 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 |
| Country of Manufacture | — | Canada |
| Display Type | LED | — |
| Drinkware | — | 300ml glass included, 250ml and 400ml sold separately |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | Tafee Technologies Corporation, Burlington, Ontario |
| Operating Life | — | 7,000 hours |
| Release Date | 2020 | 2024 |
| Session Style | — | On-Demand |
| Warranty | 1 year | 2 years on the device, excluding mouthpieces, drinkware, stem, pots and shredder |
Comparison FAQs
What is the biggest difference between the G Pen Roam and the Tafee Bowle Series 2?
The biggest practical difference is price tier: the G Pen Roam sits at $100 while the Tafee Bowle Series 2 is $449, a gap of about $349 that puts them in different buying brackets.
Which is cheaper, the G Pen Roam or the Tafee Bowle Series 2?
G Pen Roam is the cheaper option at $100 compared with $449 for the Tafee Bowle Series 2, about $349 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the G Pen Roam and the Tafee Bowle Series 2?
G Pen Roam uses conduction heating, while the Tafee Bowle Series 2 uses pure convection, breath sensing, isolated air path. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is lighter, the G Pen Roam or the Tafee Bowle Series 2?
Tafee Bowle Series 2 is the lighter unit at 246 grams (puck), around 71g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Which heats up faster, the G Pen Roam or the Tafee Bowle Series 2?
Heat-up times are very close: ~5 seconds on the G Pen Roam and ~1 second, on demand on the Tafee Bowle Series 2. The real-world difference will be hard to notice mid-session.
Can I set custom temperatures on the G Pen Roam or the Tafee Bowle Series 2?
G Pen Roam controls heat with digital control, while the Tafee Bowle Series 2 uses five preset power levels (soft, low, medium, high, max). G Pen Roam gives you finer per-degree control.
Which charges faster, the G Pen Roam or the Tafee Bowle Series 2?
Tafee Bowle Series 2 fully charges in ~110 minutes with a 5V 3A charger, ahead of ~2 hours on the G Pen Roam.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.