Price (USD)
ViVANT Ambit edgeG Pen Roam
$200
ViVANT Ambit
$75
ViVANT Ambit is typically around $125 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Roam
Grenco Science $200
ViVANT Ambit
ViVANT $75
G Pen Roam and ViVANT Ambit are both portable / electronic vaporizers, but they target different priorities. ViVANT Ambit is usually the lower-cost pick at $75, around $125 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
23
Different Specs
20
Shared Specs
3
Overall Overlap
13%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Roam
$200
ViVANT Ambit
$75
ViVANT Ambit is typically around $125 lower.
G Pen Roam
~5 seconds
ViVANT Ambit
~40 seconds
G Pen Roam has the quicker listed heat-up profile.
G Pen Roam
~317g
ViVANT Ambit
93g
ViVANT Ambit is the lighter listed unit.
G Pen Roam
Conduction
ViVANT Ambit
Convection
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Roam
$200
ViVANT Ambit
$75
Heating Type
G Pen Roam
Conduction
ViVANT Ambit
Convection
Heat Up Time
G Pen Roam
~5 seconds
ViVANT Ambit
~40 seconds
Temperature Range
G Pen Roam
204°C - 427°C (400°F - 800°F)
ViVANT Ambit
212-464°F
Battery Capacity
G Pen Roam
1300mAh
ViVANT Ambit
1500mAh
Battery Life
G Pen Roam
15-20 sessions
ViVANT Ambit
<10 uses
Charge Time
G Pen Roam
~2 hours
ViVANT Ambit
1-2 hours
Dimensions
G Pen Roam
178x127x102mm
ViVANT Ambit
68.3x27.9x54.8mm
Weight
G Pen Roam
~317g
ViVANT Ambit
93g
Chamber Material
G Pen Roam
Quartz
ViVANT Ambit
Stainless Steel
Direct comparison of every spec from each device profile.
| Specification | G Pen Roam | ViVANT Ambit |
|---|---|---|
| Price (USD) | $200 | $75 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~5 seconds | ~40 seconds |
| Temperature Range | 204°C - 427°C (400°F - 800°F) | 212-464°F |
| Chamber Capacity | — | ~0.25 grams |
| Battery Type | Internal | Internal |
| Battery Capacity | 1300mAh | 1500mAh |
| Battery Life | 15-20 sessions | <10 uses |
| Charging | Micro-USB | Micro USB |
| Charge Time | ~2 hours | 1-2 hours |
| Dimensions | 178x127x102mm | 68.3x27.9x54.8mm |
| Weight | ~317g | 93g |
| Power Adjustment | Digital Control | — |
| Chamber Material | Quartz | Stainless Steel |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | ViVANT |
| Adjustable Airflow | No | — |
| Display Type | LED | LCD |
| Haptic Feedback | Yes | — |
| Release Date | 2020 | 2019 |
| Session Style | — | Session |
| Warranty | 1 year | — |
The biggest practical difference is price tier: the ViVANT Ambit sits at $75 while the G Pen Roam is $200, a gap of about $125 that puts them in different buying brackets.
ViVANT Ambit is the cheaper option at $75 compared with $200 for the G Pen Roam, about $125 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the ViVANT Ambit takes ~40 seconds. That's roughly 35 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
G Pen Roam uses conduction heating, while the ViVANT Ambit uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
ViVANT Ambit is the lighter unit at 93g, around 224g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
ViVANT Ambit fully charges in 1-2 hours, ahead of ~2 hours on the G Pen Roam.
ViVANT Ambit is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the G Pen Roam 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.