Price (USD)
Kingtons Black Widow edgeBoundless CFX+
$200
Kingtons Black Widow
$65
Kingtons Black Widow is typically around $135 lower.
Vaporizer Comparison
Boundless CFX+ vs Kingtons Black Widow
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CFX+
Boundless Technology from $127.45
VS
Kingtons Black Widow
Kingtons $65
Editorial Summary
Boundless CFX+ and Kingtons Black Widow are both portable / conduction vaporizers, but they target different priorities. Kingtons Black Widow is usually the lower-cost pick at $65, around $135 below Boundless CFX+. Heat-up speed is broadly similar between the two.
Specs Compared
21
Different Specs
17
Shared Specs
4
Overall Overlap
19%
Shared Traits
Portable Conduction Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callBoundless CFX+
~30 Seconds
Kingtons Black Widow
<30 seconds
Both devices are in a similar heat-up range.
Weight
Kingtons Black Widow edgeBoundless CFX+
284 grams
Kingtons Black Widow
190 grams
Kingtons Black Widow is the lighter listed unit.
Heating Style
Close callBoundless CFX+
Hybrid
Kingtons Black Widow
Conduction
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 CFX+
$200
Kingtons Black Widow
$65
Heating Type
Boundless CFX+
Hybrid
Kingtons Black Widow
Conduction
Temperature Range
Boundless CFX+
121°C-221°C (250°F - 430°F)
Kingtons Black Widow
180°C - 220°C (356 - 428°F)
Chamber Capacity
Boundless CFX+
0.3-0.5 grams
Kingtons Black Widow
~0.5g
Battery Capacity
Boundless CFX+
2500mAh
Kingtons Black Widow
2200mAh
Battery Life
Boundless CFX+
6-8 Sessions
Kingtons Black Widow
~90 minutes
Charging
Boundless CFX+
USB-C
Kingtons Black Widow
Micro USB
Charge Time
Boundless CFX+
~60 minutes
Kingtons Black Widow
3-4 hours
Dimensions
Boundless CFX+
102x64x25mm
Kingtons Black Widow
128 x 44 x 26mm
Weight
Boundless CFX+
284 grams
Kingtons Black Widow
190 grams
Choose Boundless CFX+ if...
- You prefer a hybrid heating profile.
- Your usage leans toward hybrid and ceramic chamber sessions.
- You prefer Boundless CFX+'s overall feature mix and form factor.
Lowest price
$127.45
at Boundless Technology
Choose Kingtons Black Widow if...
- You want the lower listed entry price ($65 vs $200).
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward budget and discrete sessions.
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.
17 differ 4 shared
| Specification | Boundless CFX+ | Kingtons Black Widow |
|---|---|---|
| Price (USD) | $200 | $65 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid | Conduction |
| Heat Up Time | ~30 Seconds | <30 seconds |
| Temperature Range | 121°C-221°C (250°F - 430°F) | 180°C - 220°C (356 - 428°F) |
| Chamber Capacity | 0.3-0.5 grams | ~0.5g |
| Battery Type | Internal | Internal |
| Battery Capacity | 2500mAh | 2200mAh |
| Battery Life | 6-8 Sessions | ~90 minutes |
| Charging | USB-C | Micro USB |
| Charge Time | ~60 minutes | 3-4 hours |
| Dimensions | 102x64x25mm | 128 x 44 x 26mm |
| Weight | 284 grams | 190 grams |
| Power Adjustment | Digital | Modular - 5 Stages |
| Chamber Material | Ceramic | Ceramic |
| Brand | Boundless Technology | Kingtons |
| Country of Manufacture | China | — |
| Haptic Feedback | Yes | — |
| Release Date | 2022 | — |
| Session Style | Session | — |
| Warranty | 3 years | — |
Comparison FAQs
What is the biggest difference between the Boundless CFX+ and the Kingtons Black Widow?
The biggest practical difference is price tier: the Kingtons Black Widow sits at $65 while the Boundless CFX+ is $200, a gap of about $135 that puts them in different buying brackets.
Which is cheaper, the Boundless CFX+ or the Kingtons Black Widow?
Kingtons Black Widow is the cheaper option at $65 compared with $200 for the Boundless CFX+, about $135 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Boundless CFX+ and the Kingtons Black Widow?
Boundless CFX+ uses hybrid heating, while the Kingtons Black Widow uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Boundless CFX+ or the Kingtons Black Widow hold more flower?
Kingtons Black Widow has the larger chamber at ~0.5g, versus 0.3-0.5 grams on the Boundless CFX+. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Boundless CFX+ or the Kingtons Black Widow?
Kingtons Black Widow is the lighter unit at 190 grams, around 94g less than the Boundless CFX+ at 284 grams. The lighter device is easier to carry and pocket day-to-day.
Which heats up faster, the Boundless CFX+ or the Kingtons Black Widow?
Heat-up times are very close: ~30 Seconds on the Boundless CFX+ and <30 seconds on the Kingtons Black Widow. The real-world difference will be hard to notice mid-session.
Can I set custom temperatures on the Boundless CFX+ or the Kingtons Black Widow?
Boundless CFX+ controls heat with digital, while the Kingtons Black Widow uses modular - 5 stages. Boundless CFX+ gives you finer per-degree control.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.