Price (USD)
G Pen Roam edgeAnvil
$200
G Pen Roam
$100
G Pen Roam is typically around $100 lower.
Vaporizer Comparison
Anvil vs G Pen Roam
Side-by-side specs, pricing context, and clear decision guidance.
Anvil
Vestratto $200
VS
G Pen Roam
Grenco Science from $49.95
Editorial Summary
Anvil and G Pen Roam are both portable vaporizers, but they target different priorities. G Pen Roam is usually the lower-cost pick at $100, around $100 below Anvil. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
22
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeAnvil
Depending on the heat source, ~30 seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Heating Style
Close callAnvil
Hybrid
G Pen Roam
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Anvil
$200
G Pen Roam
$100
Heating Type
Anvil
Hybrid
G Pen Roam
Conduction
Heat Up Time
Anvil
Depending on the heat source, ~30 seconds
G Pen Roam
~5 seconds
Temperature Range
Anvil
N/A
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Type
Anvil
None
G Pen Roam
Internal
Battery Capacity
Anvil
N/A
G Pen Roam
1300mAh
Battery Life
Anvil
N/A
G Pen Roam
15-20 sessions
Charging
Anvil
N/A
G Pen Roam
Micro-USB
Charge Time
Anvil
N/A
G Pen Roam
~2 hours
Power Adjustment
Anvil
Manual
G Pen Roam
Digital Control
Choose Anvil if...
- You prefer a hybrid heating profile.
- Your usage leans toward analog and hybrid sessions.
- You prefer Anvil's overall feature mix and form factor.
Choose G Pen Roam if...
- You want the lower listed entry price ($100 vs $200).
- You care about faster heat-up time for quicker sessions.
- You prefer a conduction heating profile.
- Your usage leans toward electronic and concentrates sessions.
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.
Spec Comparison Table
Direct comparison of every spec from each device profile.
22 differ 1 shared
| Specification | Anvil | G Pen Roam |
|---|---|---|
| Price (USD) | $200 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid | Conduction |
| Heat Up Time | Depending on the heat source, ~30 seconds | ~5 seconds |
| Temperature Range | N/A | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | ~0.07 - 0.13g | — |
| Battery Type | None | Internal |
| Battery Capacity | N/A | 1300mAh |
| Battery Life | N/A | 15-20 sessions |
| Charging | N/A | Micro-USB |
| Charge Time | N/A | ~2 hours |
| Weight | — | ~317g |
| Power Adjustment | Manual | Digital Control |
| Chamber Material | Stainless Steel | Quartz |
| Concentrate Support | — | Yes |
| Brand | Vestratto | Grenco Science |
| Adjustable Airflow | Yes | No |
| Country of Manufacture | Canada | — |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Release Date | — | 2020 |
| Session Style | Session | — |
| Warranty | — | 1 year |
Comparison FAQs
What is the biggest difference between the Anvil and the G Pen Roam?
The biggest practical difference is price tier: the G Pen Roam sits at $100 while the Anvil is $200, a gap of about $100 that puts them in different buying brackets.
Which is cheaper, the Anvil or the G Pen Roam?
G Pen Roam is the cheaper option at $100 compared with $200 for the Anvil, about $100 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Anvil or the G Pen Roam?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Anvil takes Depending on the heat source, ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Anvil and the G Pen Roam?
Anvil uses hybrid heating, while the G Pen Roam uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Can I set custom temperatures on the Anvil or the G Pen Roam?
Anvil controls heat with manual, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.
What battery life can I expect from the Anvil and the G Pen Roam?
Anvil's spec sheet lists N/A; the G Pen Roam lists 15-20 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Is the Anvil or the G Pen Roam better for microdosing?
Anvil is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.