Price (USD)
Boundless Terp Pen XL edgeBoundless Terp Pen XL
$55
XVape Fyra
$79
Boundless Terp Pen XL is typically around $24 lower.
Vaporizer Comparison
Boundless Terp Pen XL vs XVape Fyra
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Terp Pen XL
Boundless Technology from $59
VS
XVape Fyra
XVape $79
Editorial Summary
Boundless Terp Pen XL and XVape Fyra are both portable / concentrates vaporizers, but they target different priorities. Boundless Terp Pen XL is usually the lower-cost pick at $55, around $24 below XVape Fyra. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
26
Different Specs
24
Shared Specs
2
Overall Overlap
8%
Shared Traits
Portable Concentrates Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callBoundless Terp Pen XL
Conduction
XVape Fyra
Convection herb head, conduction dip tip
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 Terp Pen XL
$55
XVape Fyra
$79
Heating Type
Boundless Terp Pen XL
Conduction
XVape Fyra
Convection herb head, conduction dip tip
Temperature Range
Boundless Terp Pen XL
698°F - 779°F (370°C - 415°C)
XVape Fyra
180°C - 240°C (360°F - 460°F)
Battery Type
Boundless Terp Pen XL
Internal
XVape Fyra
Internal (not removable)
Battery Capacity
Boundless Terp Pen XL
320mAh
XVape Fyra
1500mAh
Charging
Boundless Terp Pen XL
Micro USB
XVape Fyra
USB-C (5V/1A)
Dimensions
Boundless Terp Pen XL
16x149x16mm
XVape Fyra
160 x 43.5 x 25mm
Power Adjustment
Boundless Terp Pen XL
Modular - 3 stage
XVape Fyra
Preset - 5 Stages (2.8V - 3.8V)
Chamber Material
Boundless Terp Pen XL
Ceramic
XVape Fyra
Stainless steel (herb head)
Concentrate Support
Boundless Terp Pen XL
Yes
XVape Fyra
Yes, via the dip tip
Choose Boundless Terp Pen XL if...
- You want the lower listed entry price ($55 vs $79).
- You prefer a conduction heating profile.
- Your usage leans toward discrete and pen sessions.
Current price
$59
at Slick Vapes
Choose XVape Fyra if...
- You prefer a convection herb head, conduction dip tip heating profile.
- Your usage leans toward budget and convection sessions.
- You prefer XVape Fyra's overall feature mix and form factor.
Typical price
$79
Sold by Daily High Club
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 2 shared
| Specification | Boundless Terp Pen XL | XVape Fyra |
|---|---|---|
| Price (USD) | $55 | $79 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection herb head, conduction dip tip |
| Heat Up Time | — | 18 seconds (herb head), instant for dip tip and cartridges |
| Temperature Range | 698°F - 779°F (370°C - 415°C) | 180°C - 240°C (360°F - 460°F) |
| Battery Type | Internal | Internal (not removable) |
| Battery Capacity | 320mAh | 1500mAh |
| Charging | Micro USB | USB-C (5V/1A) |
| Charge Time | ~45 minutes | — |
| Pass-Through Charging | — | No |
| Dimensions | 16x149x16mm | 160 x 43.5 x 25mm |
| Power Adjustment | Modular - 3 stage | Preset - 5 Stages (2.8V - 3.8V) |
| Chamber Material | Ceramic | Stainless steel (herb head) |
| Concentrate Support | Yes | Yes, via the dip tip |
| Brand | Boundless Technology | XVape |
| Adjustable Airflow | No | — |
| Cartridge Support | — | Yes, 510 thread (cartridge not included) |
| Country of Manufacture | China | China |
| Display Type | — | Colour coded LED indicator |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2020 | 2023 |
| Session Style | On-Demand | Both |
| Session Timer | — | 3 minutes |
| Warranty | 3 years | 1 year |
| Water Filtration | — | Removable glass bubbler included |
Comparison FAQs
What is the biggest difference between the Boundless Terp Pen XL and the XVape Fyra?
The biggest practical difference is heating approach: Boundless Terp Pen XL runs conduction while XVape Fyra runs convection herb head, conduction dip tip. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the Boundless Terp Pen XL or the XVape Fyra?
Boundless Terp Pen XL is the cheaper option at $55 compared with $79 for the XVape Fyra, about $24 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Boundless Terp Pen XL and the XVape Fyra?
Boundless Terp Pen XL uses conduction heating, while the XVape Fyra uses convection herb head, conduction dip tip. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Which is more discreet, the Boundless Terp Pen XL or the XVape Fyra?
Boundless Terp Pen XL is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the XVape Fyra is more conspicuous in hand and harder to keep out of sight.
Can I use concentrates with the Boundless Terp Pen XL or the XVape Fyra?
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Which uses USB-C, the Boundless Terp Pen XL or the XVape Fyra?
XVape Fyra charges over USB-C; the Boundless Terp Pen XL uses a Micro USB port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
How similar are the Boundless Terp Pen XL and the XVape Fyra?
Across the 26 specs we line up, they share 2 and differ on 24, an overlap of about 8%. The differences are concentrated in the areas the spec table highlights with a marker.
Need a different matchup?
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