Price (USD)
XMAX Starry 4 edgeBoundless CFX+
$200
XMAX Starry 4
$99
XMAX Starry 4 is typically around $101 lower.
Vaporizer Comparison
Boundless CFX+
XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CFX+ and XMAX Starry 4 are both portable / conduction vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $101 below Boundless CFX+. XMAX Starry 4 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
22
Different Specs
19
Shared Specs
3
Overall Overlap
14%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless CFX+
$200
XMAX Starry 4
$99
XMAX Starry 4 is typically around $101 lower.
Boundless CFX+
~30 Seconds
XMAX Starry 4
~15 seconds
XMAX Starry 4 has the quicker listed heat-up profile.
Boundless CFX+
284 grams
XMAX Starry 4
—
Weight is close enough that portability is likely similar.
Boundless CFX+
Conduction
XMAX Starry 4
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Boundless CFX+
$200
XMAX Starry 4
$99
Device Type
Boundless CFX+
Portable
XMAX Starry 4
—
Heat Up Time
Boundless CFX+
~30 Seconds
XMAX Starry 4
~15 seconds
Temperature Range
Boundless CFX+
121°C-221°C (250°F - 430°F)
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Boundless CFX+
0.3-0.5 grams
XMAX Starry 4
—
Battery Type
Boundless CFX+
Internal
XMAX Starry 4
18650
Battery Capacity
Boundless CFX+
2500mAh
XMAX Starry 4
2550mAh
Battery Life
Boundless CFX+
6-8 Sessions
XMAX Starry 4
—
Charge Time
Boundless CFX+
~60 minutes
XMAX Starry 4
—
Pass-Through Charging
Boundless CFX+
—
XMAX Starry 4
Yes
Direct comparison of every spec from each device profile.
| Specification | Boundless CFX+ | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $200 | $99 |
| Device Type | Portable | — |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~30 Seconds | ~15 seconds |
| Temperature Range | 121°C-221°C (250°F - 430°F) | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | 0.3-0.5 grams | — |
| Battery Type | Internal | 18650 |
| Battery Capacity | 2500mAh | 2550mAh |
| Battery Life | 6-8 Sessions | — |
| Charging | USB-C | USB-C |
| Charge Time | ~60 minutes | — |
| Pass-Through Charging | — | Yes |
| Dimensions | — | 115.9 x 37.5 x 24mm |
| Weight | 284 grams | — |
| Power Adjustment | Digital | — |
| Oven Type | Ceramic | — |
| Brand | Boundless Technology | — |
| Chamber Material | — | Ceramic |
| Display Type | — | OLED |
| Haptic Feedback | Yes | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | Yes |
The biggest practical difference is price tier: the XMAX Starry 4 sits at $99 while the Boundless CFX+ is $200, a gap of about $101 that puts them in different buying brackets.
XMAX Starry 4 is the cheaper option at $99 compared with $200 for the Boundless CFX+, about $101 less. Live retailer pricing can shift, so confirm before buying.
XMAX Starry 4 reaches session-ready temperature in ~15 seconds, while the Boundless CFX+ takes ~30 Seconds. That's roughly 15 seconds quicker on the XMAX Starry 4, which is useful if you want shorter, on-demand sessions.
Yes, only the XMAX Starry 4 supports pass-through charging. The Boundless CFX+ has to finish charging before you can use it.
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The Boundless CFX+ has a built-in battery you can't swap on the go.
XMAX Starry 4 is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the Boundless CFX+ is more conspicuous in hand and harder to keep out of sight.
Across the 22 specs we line up, they share 3 and differ on 19, an overlap of about 14%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.