Price (USD)
Boundless CFC 2.0 edgeBoundless CFC 2.0
$90
PAX FOUR
$250
Boundless CFC 2.0 is typically around $160 lower.
Vaporizer Comparison
Boundless CFC 2.0 vs PAX FOUR
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CFC 2.0
Boundless Technology from $59.95
VS
PAX FOUR
PAX Labs $250
Editorial Summary
Boundless CFC 2.0 and PAX FOUR are both portable / discrete vaporizers, but they target different priorities. Boundless CFC 2.0 is usually the lower-cost pick at $90, around $160 below PAX FOUR. Boundless CFC 2.0 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
25
Different Specs
24
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable Discrete Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Boundless CFC 2.0 edgeBoundless CFC 2.0
~30 seconds
PAX FOUR
55-70 seconds
Boundless CFC 2.0 has the quicker listed heat-up profile.
Weight
Boundless CFC 2.0 edgeBoundless CFC 2.0
~85g
PAX FOUR
125 grams
Boundless CFC 2.0 is the lighter listed unit.
Heating Style
Close callBoundless CFC 2.0
Conduction
PAX FOUR
Hybrid (conduction and convection)
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Boundless CFC 2.0
$90
PAX FOUR
$250
Heating Type
Boundless CFC 2.0
Conduction
PAX FOUR
Hybrid (conduction and convection)
Heat Up Time
Boundless CFC 2.0
~30 seconds
PAX FOUR
55-70 seconds
Temperature Range
Boundless CFC 2.0
60°C-230°C
PAX FOUR
190-220°C (374-428°F)
Chamber Capacity
Boundless CFC 2.0
~0.5g
PAX FOUR
~0.3g
Battery Type
Boundless CFC 2.0
Internal 18650
PAX FOUR
Internal lithium-ion
Battery Life
Boundless CFC 2.0
12-14 sessions
PAX FOUR
Up to 5 sessions, about 50 minutes of run time
Charging
Boundless CFC 2.0
Micro USB
PAX FOUR
USB-C
Charge Time
Boundless CFC 2.0
~3 hours
PAX FOUR
~90 minutes
Dimensions
Boundless CFC 2.0
130x33x30mm
PAX FOUR
108 x 36 x 29mm
Choose Boundless CFC 2.0 if...
- You want the lower listed entry price ($90 vs $250).
- You care about faster heat-up time for quicker sessions.
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
Current price
$59.95
at Boundless Technology
Choose PAX FOUR if...
- You prefer a hybrid (conduction and convection) heating profile.
- Your usage leans toward hybrid sessions.
- You prefer PAX FOUR's overall feature mix and form factor.
Typical price
$250
Sold by The Stash Shack
Prices are read automatically from retailer pages and were last checked Aug 27, 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.
24 differ 1 shared
| Specification | Boundless CFC 2.0 | PAX FOUR |
|---|---|---|
| Price (USD) | $90 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Hybrid (conduction and convection) |
| Heat Up Time | ~30 seconds | 55-70 seconds |
| Temperature Range | 60°C-230°C | 190-220°C (374-428°F) |
| Chamber Capacity | ~0.5g | ~0.3g |
| Battery Type | Internal 18650 | Internal lithium-ion |
| Battery Capacity | — | 2800mAh |
| Battery Life | 12-14 sessions | Up to 5 sessions, about 50 minutes of run time |
| Charging | Micro USB | USB-C |
| Charge Time | ~3 hours | ~90 minutes |
| Pass-Through Charging | No | — |
| Dimensions | 130x33x30mm | 108 x 36 x 29mm |
| Weight | ~85g | 125 grams |
| Power Adjustment | Digital | Four preset heat modes (purple, green, yellow, orange) |
| Chamber Material | Ceramic | Stainless steel |
| Concentrate Support | — | No (not compatible with the PAX Concentrate Insert) |
| Brand | Boundless Technology | PAX Labs |
| Adjustable Airflow | Yes | No (flat and raised mouthpieces change the draw) |
| Country of Manufacture | China | — |
| Display Type | — | LED petals |
| Manufacturer | — | PAX Labs, Inc (model X410) |
| Release Date | 2018 | 2026 |
| Session Style | — | Session |
| Warranty | 3 years | 2 years, plus 1 year when registered within 30 days |
Comparison FAQs
What is the biggest difference between the Boundless CFC 2.0 and the PAX FOUR?
The biggest practical difference is price tier: the Boundless CFC 2.0 sits at $90 while the PAX FOUR is $250, a gap of about $160 that puts them in different buying brackets.
Which is cheaper, the Boundless CFC 2.0 or the PAX FOUR?
Boundless CFC 2.0 is the cheaper option at $90 compared with $250 for the PAX FOUR, about $160 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Boundless CFC 2.0 or the PAX FOUR?
Boundless CFC 2.0 reaches session-ready temperature in ~30 seconds, while the PAX FOUR takes 55-70 seconds. That's roughly 33 seconds quicker on the Boundless CFC 2.0, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Boundless CFC 2.0 and the PAX FOUR?
Boundless CFC 2.0 uses conduction heating, while the PAX FOUR uses hybrid (conduction and convection). Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Boundless CFC 2.0 or the PAX FOUR hold more flower?
Boundless CFC 2.0 has the larger chamber at ~0.5g, versus ~0.3g on the PAX FOUR. 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 PAX FOUR?
Boundless CFC 2.0 is the lighter unit at ~85g, around 40g less than the PAX FOUR at 125 grams. The lighter device is easier to carry and pocket day-to-day.
Can I set custom temperatures on the Boundless CFC 2.0 or the PAX FOUR?
Boundless CFC 2.0 controls heat with digital, while the PAX FOUR uses four preset heat modes (purple, green, yellow, orange). Boundless CFC 2.0 gives you finer per-degree control.
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