Price (USD)
Dynavap 2021 M edgeDynavap 2021 M
$79
XMAX Starry 4
$99
Dynavap 2021 M is typically around $20 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Dynavap 2021 M
DynaVap $79
XMAX Starry 4
XMAX $99
Dynavap 2021 M and XMAX Starry 4 are both portable / budget vaporizers, but they target different priorities. Dynavap 2021 M is usually the lower-cost pick at $79, around $20 below XMAX Starry 4. Heat-up speed is broadly similar between the two.
Specs Compared
29
Different Specs
27
Shared Specs
2
Overall Overlap
7%
Shared Traits
A quick snapshot of the specs people usually care about first.
Dynavap 2021 M
$79
XMAX Starry 4
$99
Dynavap 2021 M is typically around $20 lower.
Dynavap 2021 M
Depending on the heat source, ~20 seconds
XMAX Starry 4
~15 seconds
Both devices are in a similar heat-up range.
Dynavap 2021 M
~19 grams
XMAX Starry 4
~137g
Dynavap 2021 M is the lighter listed unit.
Dynavap 2021 M
Hybrid
XMAX Starry 4
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Dynavap 2021 M
$79
XMAX Starry 4
$99
Heating Type
Dynavap 2021 M
Hybrid
XMAX Starry 4
Conduction
Heat Up Time
Dynavap 2021 M
Depending on the heat source, ~20 seconds
XMAX Starry 4
~15 seconds
Temperature Range
Dynavap 2021 M
300°F - 450°F
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Dynavap 2021 M
~0.1g
XMAX Starry 4
0.4g
Battery Type
Dynavap 2021 M
None
XMAX Starry 4
18650
Battery Capacity
Dynavap 2021 M
N/A
XMAX Starry 4
2550mAh
Battery Life
Dynavap 2021 M
N/A
XMAX Starry 4
~60 minutes
Charging
Dynavap 2021 M
N/A
XMAX Starry 4
USB-C
Charge Time
Dynavap 2021 M
N/A
XMAX Starry 4
~90 minutes
Direct comparison of every spec from each device profile.
| Specification | Dynavap 2021 M | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $79 | $99 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid | Conduction |
| Heat Up Time | Depending on the heat source, ~20 seconds | ~15 seconds |
| Temperature Range | 300°F - 450°F | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | ~0.1g | 0.4g |
| Battery Type | None | 18650 |
| Battery Capacity | N/A | 2550mAh |
| Battery Life | N/A | ~60 minutes |
| Charging | N/A | USB-C |
| Charge Time | N/A | ~90 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | — | 115.9 x 37.5 x 24mm |
| Weight | ~19 grams | ~137g |
| Power Adjustment | Manual | Digital (precise) |
| Chamber Material | Stainless Steel | Ceramic |
| Brand | DynaVap | XMAX |
| Adjustable Airflow | Yes | Yes |
| Body Material | Mostly stainless steel & high heat silicone seals | — |
| Country of Manufacture | United States (USA) | China |
| Diameter | 0.8mm | — |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Length | 92mm | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2021 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | On-Demand | Session |
| Warranty | Lifetime | 1 year |
The biggest practical difference is heating approach: Dynavap 2021 M runs hybrid while XMAX Starry 4 runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Dynavap 2021 M is the cheaper option at $79 compared with $99 for the XMAX Starry 4, about $20 less. Live retailer pricing can shift, so confirm before buying.
XMAX Starry 4 reaches session-ready temperature in ~15 seconds, while the Dynavap 2021 M takes Depending on the heat source, ~20 seconds. That's roughly 5 seconds quicker on the XMAX Starry 4, which is useful if you want shorter, on-demand sessions.
Dynavap 2021 M uses hybrid heating, while the XMAX Starry 4 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
XMAX Starry 4 has the larger chamber at 0.4g, 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.
Dynavap 2021 M is the lighter unit at ~19 grams, around 118g less than the XMAX Starry 4 at ~137g. The lighter device is easier to carry and pocket day-to-day.
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The Dynavap 2021 M has a built-in battery you can't swap on the go.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.