Price (USD)
Close callDynavap 2021 M
$79
G Pen Pro
$90
Pricing is very close between both devices.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Dynavap 2021 M
DynaVap $79
G Pen Pro
Grenco Science $90
Dynavap 2021 M and G Pen Pro are both portable / budget vaporizers, but they target different priorities. Their listed prices are close ($79 vs $90). Dynavap 2021 M 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
A quick snapshot of the specs people usually care about first.
Dynavap 2021 M
$79
G Pen Pro
$90
Pricing is very close between both devices.
Dynavap 2021 M
Depending on the heat source, ~20 seconds
G Pen Pro
~30 seconds
Dynavap 2021 M has the quicker listed heat-up profile.
Dynavap 2021 M
Hybrid
G Pen Pro
Convection
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Dynavap 2021 M
$79
G Pen Pro
$90
Heating Type
Dynavap 2021 M
Hybrid
G Pen Pro
Convection
Heat Up Time
Dynavap 2021 M
Depending on the heat source, ~20 seconds
G Pen Pro
~30 seconds
Temperature Range
Dynavap 2021 M
300°F - 450°F
G Pen Pro
190°C - 220°C (375°F - 428°F)
Chamber Capacity
Dynavap 2021 M
~0.1g
G Pen Pro
~0.25 grams
Battery Type
Dynavap 2021 M
None
G Pen Pro
Internal
Battery Capacity
Dynavap 2021 M
N/A
G Pen Pro
2200mAh
Charging
Dynavap 2021 M
N/A
G Pen Pro
Micro-USB
Charge Time
Dynavap 2021 M
N/A
G Pen Pro
<3 hours
Power Adjustment
Dynavap 2021 M
Manual
G Pen Pro
Modular - 3 Stages
Direct comparison of every spec from each device profile.
| Specification | Dynavap 2021 M | G Pen Pro |
|---|---|---|
| Price (USD) | $79 | $90 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid | Convection |
| Heat Up Time | Depending on the heat source, ~20 seconds | ~30 seconds |
| Temperature Range | 300°F - 450°F | 190°C - 220°C (375°F - 428°F) |
| Chamber Capacity | ~0.1g | ~0.25 grams |
| Battery Type | None | Internal |
| Battery Capacity | N/A | 2200mAh |
| Battery Life | N/A | — |
| Charging | N/A | Micro-USB |
| Charge Time | N/A | <3 hours |
| Weight | ~19 grams | — |
| Power Adjustment | Manual | Modular - 3 Stages |
| Chamber Material | Stainless Steel | Ceramic |
| Brand | DynaVap | Grenco Science |
| Adjustable Airflow | Yes | — |
| Body Material | Mostly stainless steel & high heat silicone seals | — |
| Country of Manufacture | United States (USA) | — |
| Diameter | 0.8mm | — |
| Length | 92mm | — |
| Release Date | 2021 | 2017 |
| Session Style | On-Demand | Session |
| Warranty | Lifetime | 1 year |
The biggest practical difference is heating approach: Dynavap 2021 M runs hybrid while G Pen Pro runs convection. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Dynavap 2021 M reaches session-ready temperature in Depending on the heat source, ~20 seconds, while the G Pen Pro takes ~30 seconds. That's roughly 10 seconds quicker on the Dynavap 2021 M, which is useful if you want shorter, on-demand sessions.
Dynavap 2021 M uses hybrid heating, while the G Pen Pro uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
G Pen Pro has the larger chamber at ~0.25 grams, versus ~0.1g on the Dynavap 2021 M. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Listed prices are close: $79 for the Dynavap 2021 M versus $90 for the G Pen Pro. Day-to-day price will likely come down to whichever retailer is running a promotion.
Dynavap 2021 M controls heat with manual, while the G Pen Pro uses modular - 3 stages. Both let you change temperature, just with different levels of precision.
Dynavap 2021 M is the better fit for microdosing in our database, typically thanks to a smaller chamber, finer temperature control, or both.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.