Price (USD)
XMAX Starry 4 edgeDynavap The Unidyn
$129
XMAX Starry 4
$99
XMAX Starry 4 is typically around $30 lower.


Side-by-side vaporizer comparison including specs, pricing context, and decision guidance.
Dynavap The Unidyn and XMAX Starry 4 are both portable vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $30 below Dynavap The Unidyn. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
21
Different Specs
21
Shared Specs
0
Overall Overlap
0%
Shared Traits
Quick snapshot of the specs people usually care about first.
Dynavap The Unidyn
$129
XMAX Starry 4
$99
XMAX Starry 4 is typically around $30 lower.
Dynavap The Unidyn
—
XMAX Starry 4
~15 seconds
Both devices are in a similar heat-up range.
Dynavap The Unidyn
—
XMAX Starry 4
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Dynavap The Unidyn
$129
XMAX Starry 4
$99
Device Type
Dynavap The Unidyn
Portable
XMAX Starry 4
—
Heating Type
Dynavap The Unidyn
—
XMAX Starry 4
Conduction
Heat Up Time
Dynavap The Unidyn
—
XMAX Starry 4
~15 seconds
Temperature Range
Dynavap The Unidyn
—
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Battery Type
Dynavap The Unidyn
—
XMAX Starry 4
18650
Battery Capacity
Dynavap The Unidyn
—
XMAX Starry 4
2550mAh
Charging
Dynavap The Unidyn
—
XMAX Starry 4
USB-C
Pass-Through Charging
Dynavap The Unidyn
—
XMAX Starry 4
Yes
Dimensions
Dynavap The Unidyn
—
XMAX Starry 4
115.9 x 37.5 x 24mm
Direct comparison of shared and unique specifications from each device profile. (21 differences, 0 overlaps)
| Specification | Dynavap The Unidyn | XMAX Starry 4 |
|---|---|---|
| Price (USD) diff | $129 | $99 |
| Device Type diff | Portable | — |
| Heating Type diff | — | Conduction |
| Heat Up Time diff | — | ~15 seconds |
| Temperature Range diff | — | 100℃-240℃ (212℉-464℉) |
| Battery Type diff | — | 18650 |
| Battery Capacity diff | — | 2550mAh |
| Charging diff | — | USB-C |
| Pass-Through Charging diff | — | Yes |
| Dimensions diff | — | 115.9 x 37.5 x 24mm |
| Brand diff | DynaVap | — |
| Batteries diff | None | — |
| Capacity diff | ~0.1g | — |
| Chamber Material diff | — | Ceramic |
| Country Of Manufacture diff | United States (USA) | — |
| Display Type diff | — | OLED |
| Haptic Feedback diff | — | Yes |
| Heating Time diff | Depending on the heat source, ~30 seconds | — |
| Manufacturer diff | — | TopGreen Technology Co |
| Materials diff | Titanium, stainless steel & high heat silicone seals | — |
| Replaceable Battery diff | — | Yes |
Neither is universally better. Dynavap The Unidyn fits some priorities, while XMAX Starry 4 fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
XMAX Starry 4 is listed lower ($99) compared with Dynavap The Unidyn ($129), but live retailer pricing can change.
Published heat-up data differs by source, so practical session feel may matter more than one raw number.
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.