Price (USD)
Close callBoundless CFC 2.0
$90
XMAX Starry 4
$99
Pricing is very close between both devices.
Vaporizer Comparison
Boundless CFC 2.0 vs XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CFC 2.0
Boundless Technology from $59.95
VS
XMAX Starry 4
XMAX from $99
Editorial Summary
Boundless CFC 2.0 and XMAX Starry 4 are both portable / discrete vaporizers, but they target different priorities. Their listed prices are close ($90 vs $99). XMAX Starry 4 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
26
Different Specs
19
Shared Specs
7
Overall Overlap
27%
Shared Traits
Portable Discrete Budget Conduction Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
XMAX Starry 4 edgeBoundless CFC 2.0
~30 seconds
XMAX Starry 4
~15 seconds
XMAX Starry 4 has the quicker listed heat-up profile.
Weight
Boundless CFC 2.0 edgeBoundless CFC 2.0
~85g
XMAX Starry 4
~137g
Boundless CFC 2.0 is the lighter listed unit.
Heating Style
Close callBoundless CFC 2.0
Conduction
XMAX Starry 4
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Boundless CFC 2.0
$90
XMAX Starry 4
$99
Heat Up Time
Boundless CFC 2.0
~30 seconds
XMAX Starry 4
~15 seconds
Temperature Range
Boundless CFC 2.0
60°C-230°C
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Boundless CFC 2.0
~0.5g
XMAX Starry 4
0.4g
Battery Type
Boundless CFC 2.0
Internal 18650
XMAX Starry 4
18650
Battery Life
Boundless CFC 2.0
12-14 sessions
XMAX Starry 4
~60 minutes
Charging
Boundless CFC 2.0
Micro USB
XMAX Starry 4
USB-C
Dimensions
Boundless CFC 2.0
130x33x30mm
XMAX Starry 4
115.9 x 37.5 x 24mm
Weight
Boundless CFC 2.0
~85g
XMAX Starry 4
~137g
Power Adjustment
Boundless CFC 2.0
Digital
XMAX Starry 4
Digital (precise)
Choose Boundless CFC 2.0 if...
- You want the lighter unit for carrying and travel.
- Your usage leans toward ceramic chamber sessions.
- You prefer Boundless CFC 2.0's overall feature mix and form factor.
Current price
$59.95
at Boundless Technology
Choose XMAX Starry 4 if...
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward battery swap sessions.
- You prefer XMAX Starry 4's overall feature mix and form factor.
Lowest price
$99
at The Stash Shack
Prices are read automatically from retailer pages and were last checked Sep 3, 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.
19 differ 7 shared
| Specification | Boundless CFC 2.0 | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $90 | $99 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~30 seconds | ~15 seconds |
| Temperature Range | 60°C-230°C | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | ~0.5g | 0.4g |
| Battery Type | Internal 18650 | 18650 |
| Battery Capacity | — | 2550mAh |
| Battery Life | 12-14 sessions | ~60 minutes |
| Charging | Micro USB | USB-C |
| Charge Time | ~3 hours | ~3 hours |
| Pass-Through Charging | No | No |
| Dimensions | 130x33x30mm | 115.9 x 37.5 x 24mm |
| Weight | ~85g | ~137g |
| Power Adjustment | Digital | Digital (precise) |
| Chamber Material | Ceramic | Ceramic |
| Brand | Boundless Technology | XMAX |
| Adjustable Airflow | Yes | Yes |
| Country of Manufacture | China | China |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2018 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | — | Session |
| Warranty | 3 years | 1 year |
Comparison FAQs
What is the biggest difference between the Boundless CFC 2.0 and the XMAX Starry 4?
There's no single headline gap. The differences are spread across 19 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Which heats up faster, the Boundless CFC 2.0 or the XMAX Starry 4?
XMAX Starry 4 reaches session-ready temperature in ~15 seconds, while the Boundless CFC 2.0 takes ~30 seconds. That's roughly 15 seconds quicker on the XMAX Starry 4, which is useful if you want shorter, on-demand sessions.
Does the Boundless CFC 2.0 or the XMAX Starry 4 hold more flower?
Boundless CFC 2.0 has the larger chamber at ~0.5g, versus 0.4g on the XMAX Starry 4. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Boundless CFC 2.0 or the XMAX Starry 4?
Boundless CFC 2.0 is the lighter unit at ~85g, around 52g less than the XMAX Starry 4 at ~137g. The lighter device is easier to carry and pocket day-to-day.
Which is cheaper, the Boundless CFC 2.0 or the XMAX Starry 4?
Listed prices are close: $90 for the Boundless CFC 2.0 versus $99 for the XMAX Starry 4. Day-to-day price will likely come down to whichever retailer is running a promotion.
Can I swap the batteries on the Boundless CFC 2.0 or the XMAX Starry 4?
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The Boundless CFC 2.0 has a built-in battery you can't swap on the go.
What battery life can I expect from the Boundless CFC 2.0 and the XMAX Starry 4?
Boundless CFC 2.0's spec sheet lists 12-14 sessions; the XMAX Starry 4 lists ~60 minutes. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
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Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.