Price (USD)
Kingtons Black Widow edgeBoundless CFX
$140
Kingtons Black Widow
$65
Kingtons Black Widow is typically around $75 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CFX
Boundless Technology $140
Kingtons Black Widow
Kingtons $65
Boundless CFX and Kingtons Black Widow are both portable / electronic vaporizers, but they target different priorities. Kingtons Black Widow is usually the lower-cost pick at $65, around $75 below Boundless CFX. Heat-up speed is broadly similar between the two.
Specs Compared
21
Different Specs
16
Shared Specs
5
Overall Overlap
24%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless CFX
$140
Kingtons Black Widow
$65
Kingtons Black Widow is typically around $75 lower.
Boundless CFX
~30 seconds
Kingtons Black Widow
<30 seconds
Both devices are in a similar heat-up range.
Boundless CFX
Hybrid Convection
Kingtons Black Widow
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless CFX
$140
Kingtons Black Widow
$65
Heating Type
Boundless CFX
Hybrid Convection
Kingtons Black Widow
Conduction
Temperature Range
Boundless CFX
100°C-221.1°C
Kingtons Black Widow
180°C - 220°C (356 - 428°F)
Battery Capacity
Boundless CFX
2500mAh
Kingtons Black Widow
2200mAh
Charge Time
Boundless CFX
~30 minutes
Kingtons Black Widow
3-4 hours
Dimensions
Boundless CFX
120x70x30mm
Kingtons Black Widow
128 x 44 x 26mm
Power Adjustment
Boundless CFX
Digital
Kingtons Black Widow
Modular - 5 Stages
Brand
Boundless CFX
Boundless Technology
Kingtons Black Widow
Kingtons
Direct comparison of every spec from each device profile.
| Specification | Boundless CFX | Kingtons Black Widow |
|---|---|---|
| Price (USD) | $140 | $65 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | <30 seconds |
| Temperature Range | 100°C-221.1°C | 180°C - 220°C (356 - 428°F) |
| Chamber Capacity | — | ~0.5g |
| Battery Type | Internal | Internal |
| Battery Capacity | 2500mAh | 2200mAh |
| Battery Life | — | ~90 minutes |
| Charging | Micro USB | Micro USB |
| Charge Time | ~30 minutes | 3-4 hours |
| Dimensions | 120x70x30mm | 128 x 44 x 26mm |
| Weight | — | 190 grams |
| Power Adjustment | Digital | Modular - 5 Stages |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Boundless Technology | Kingtons |
| Country of Manufacture | China | — |
| Release Date | 2016 | — |
| Session Style | Session | — |
| Warranty | 1 year | — |
The biggest practical difference is heating approach: Boundless CFX runs hybrid convection while Kingtons Black Widow runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Kingtons Black Widow is the cheaper option at $65 compared with $140 for the Boundless CFX, about $75 less. Live retailer pricing can shift, so confirm before buying.
Boundless CFX uses hybrid convection heating, while the Kingtons Black Widow uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
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.
Boundless CFX controls heat with digital, while the Kingtons Black Widow uses modular - 5 stages. Boundless CFX gives you finer per-degree control.
Boundless CFX fully charges in ~30 minutes, ahead of 3-4 hours on the Kingtons Black Widow.
Kingtons Black Widow 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.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.