Price (USD)
Boundless CF edgeBoundless CF
$100
G Pen Hyer
$250
Boundless CF is typically around $150 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Boundless CF
Boundless Technology $100
G Pen Hyer
Grenco Science $250
Boundless CF and G Pen Hyer are both concentrates / portable vaporizers, but they target different priorities. Boundless CF is usually the lower-cost pick at $100, around $150 below G Pen Hyer. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
19
Shared Specs
5
Overall Overlap
21%
Shared Traits
A quick snapshot of the specs people usually care about first.
Boundless CF
$100
G Pen Hyer
$250
Boundless CF is typically around $150 lower.
Boundless CF
Hybrid Convection
G Pen Hyer
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Boundless CF
$100
G Pen Hyer
$250
Heating Type
Boundless CF
Hybrid Convection
G Pen Hyer
Conduction
Temperature Range
Boundless CF
180°C-212°C
G Pen Hyer
180°C - 220°C (356°F - 428°F)
Battery Type
Boundless CF
Lithium-Ion
G Pen Hyer
External Battery Pack
Battery Capacity
Boundless CF
1300mAh
G Pen Hyer
6000mAh
Charging
Boundless CF
Micro USB
G Pen Hyer
USB-C
Charge Time
Boundless CF
~3 hours
G Pen Hyer
2.5 - 3 hours
Power Adjustment
Boundless CF
Modular - 5 stage
G Pen Hyer
Digital Control - 5 Stage Modular
Brand
Boundless CF
Boundless Technology
G Pen Hyer
Grenco Science
Release Date
Boundless CF
2016
G Pen Hyer
2022
Direct comparison of every spec from each device profile.
| Specification | Boundless CF | G Pen Hyer |
|---|---|---|
| Price (USD) | $100 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | — |
| Temperature Range | 180°C-212°C | 180°C - 220°C (356°F - 428°F) |
| Chamber Capacity | ~0.5g | ~0.5g |
| Battery Type | Lithium-Ion | External Battery Pack |
| Battery Capacity | 1300mAh | 6000mAh |
| Battery Life | 10-15 sessions | — |
| Charging | Micro USB | USB-C |
| Charge Time | ~3 hours | 2.5 - 3 hours |
| Dimensions | 100x60x30mm | — |
| Weight | ~142g | — |
| Power Adjustment | Modular - 5 stage | Digital Control - 5 Stage Modular |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | Yes |
| Brand | Boundless Technology | Grenco Science |
| Country of Manufacture | China | — |
| Display Type | — | LED Light User Interface |
| Haptic Feedback | — | No |
| Heating Element | — | Stainless Steel |
| Release Date | 2016 | 2022 |
| Session Style | Session | Session |
| Warranty | 3 years | — |
The biggest practical difference is price tier: the Boundless CF sits at $100 while the G Pen Hyer is $250, a gap of about $150 that puts them in different buying brackets.
Boundless CF is the cheaper option at $100 compared with $250 for the G Pen Hyer, about $150 less. Live retailer pricing can shift, so confirm before buying.
Boundless CF uses hybrid convection heating, while the G Pen Hyer uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Boundless CF controls heat with modular - 5 stage, while the G Pen Hyer uses digital control - 5 stage modular. G Pen Hyer gives you finer per-degree control.
G Pen Hyer fully charges in 2.5 - 3 hours, ahead of ~3 hours on the Boundless CF.
Boundless CF is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Hyer is more conspicuous in hand and harder to keep out of sight.
Both devices support concentrate use, typically via an included or aftermarket pad or insert. Check the manual for the recommended approach for each.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.