Price (USD)
Boundless Tera V3 edgeBoundless Tera V3
$155
G Pen Hyer
$250
Boundless Tera V3 is typically around $95 lower.
Vaporizer Comparison
Boundless Tera V3 vs G Pen Hyer
Side-by-side specs, pricing context, and clear decision guidance.
Boundless Tera V3
Boundless Technology $155
VS
G Pen Hyer
Grenco Science $250
Editorial Summary
Boundless Tera V3 and G Pen Hyer are both portable / electronic vaporizers, but they target different priorities. Boundless Tera V3 is usually the lower-cost pick at $155, around $95 below G Pen Hyer. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
23
Different Specs
20
Shared Specs
3
Overall Overlap
13%
Shared Traits
Portable Electronic Concentrates
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callBoundless Tera V3
Convection
G Pen Hyer
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 Tera V3
$155
G Pen Hyer
$250
Heating Type
Boundless Tera V3
Convection
G Pen Hyer
Conduction
Temperature Range
Boundless Tera V3
60°C-260°C
G Pen Hyer
180°C - 220°C (356°F - 428°F)
Chamber Capacity
Boundless Tera V3
0.6g
G Pen Hyer
~0.5g
Battery Type
Boundless Tera V3
Dual 18650
G Pen Hyer
External Battery Pack
Battery Capacity
Boundless Tera V3
5000mAh
G Pen Hyer
6000mAh
Charging
Boundless Tera V3
Micro-USB
G Pen Hyer
USB-C
Charge Time
Boundless Tera V3
~2.5 hours
G Pen Hyer
2.5 - 3 hours
Power Adjustment
Boundless Tera V3
Digital
G Pen Hyer
Digital Control - 5 Stage Modular
Chamber Material
Boundless Tera V3
Stainless Steel
G Pen Hyer
Ceramic
Choose Boundless Tera V3 if...
- You want the lower listed entry price ($155 vs $250).
- You prefer a convection heating profile.
- Your usage leans toward battery swap and convection sessions.
Choose G Pen Hyer if...
- You prefer a conduction heating profile.
- Your usage leans toward conduction and premium sessions.
- You prefer G Pen Hyer's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
20 differ 3 shared
| Specification | Boundless Tera V3 | G Pen Hyer |
|---|---|---|
| Price (USD) | $155 | $250 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | 20 - 30 Seconds | — |
| Temperature Range | 60°C-260°C | 180°C - 220°C (356°F - 428°F) |
| Chamber Capacity | 0.6g | ~0.5g |
| Battery Type | Dual 18650 | External Battery Pack |
| Battery Capacity | 5000mAh | 6000mAh |
| Charging | Micro-USB | USB-C |
| Charge Time | ~2.5 hours | 2.5 - 3 hours |
| Dimensions | 120x40x25mm | — |
| Weight | 279g | — |
| Power Adjustment | Digital | Digital Control - 5 Stage Modular |
| Chamber Material | Stainless Steel | 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 | 2018 | 2022 |
| Session Style | Session | Session |
| Warranty | 3 years | — |
Comparison FAQs
What is the biggest difference between the Boundless Tera V3 and the G Pen Hyer?
The biggest practical difference is heating approach: Boundless Tera V3 runs convection while G Pen Hyer runs conduction. That changes flavor delivery, vapor density, and how the device responds to slow versus fast draws.
Which is cheaper, the Boundless Tera V3 or the G Pen Hyer?
Boundless Tera V3 is the cheaper option at $155 compared with $250 for the G Pen Hyer, about $95 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Boundless Tera V3 and the G Pen Hyer?
Boundless Tera V3 uses 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.
Does the Boundless Tera V3 or the G Pen Hyer hold more flower?
Boundless Tera V3 has the larger chamber at 0.6g, versus ~0.5g on the G Pen Hyer. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Can I swap the batteries on the Boundless Tera V3 or the G Pen Hyer?
Boundless Tera V3 uses dual 18650, so you can carry spares for back-to-back days. The G Pen Hyer has a built-in battery you can't swap on the go.
Which charges faster, the Boundless Tera V3 or the G Pen Hyer?
Boundless Tera V3 fully charges in ~2.5 hours, ahead of 2.5 - 3 hours on the G Pen Hyer.
Which has a wider temperature range, the Boundless Tera V3 or the G Pen Hyer?
Boundless Tera V3 covers 60°C-260°C, a wider band than the G Pen Hyer at 180°C - 220°C (356°F - 428°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.