Price (USD)
Cipher Nautilus V3 edgeCipher Nautilus V3
$80
G Pen Roam
$100
Cipher Nautilus V3 is typically around $20 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Cipher Nautilus V3
Cipher $80
G Pen Roam
Grenco Science from $49.95
Cipher Nautilus V3 and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. Cipher Nautilus V3 is usually the lower-cost pick at $80, around $20 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
25
Different Specs
21
Shared Specs
4
Overall Overlap
16%
Shared Traits
A quick snapshot of the specs people usually care about first.
Cipher Nautilus V3
$80
G Pen Roam
$100
Cipher Nautilus V3 is typically around $20 lower.
Cipher Nautilus V3
45-60 seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Cipher Nautilus V3
Conduction
G Pen Roam
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
Cipher Nautilus V3
$80
G Pen Roam
$100
Heat Up Time
Cipher Nautilus V3
45-60 seconds
G Pen Roam
~5 seconds
Temperature Range
Cipher Nautilus V3
149-224°C (300-435°F)
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Capacity
Cipher Nautilus V3
1200mAh
G Pen Roam
1300mAh
Battery Life
Cipher Nautilus V3
6-7 sessions per charge
G Pen Roam
15-20 sessions
Charging
Cipher Nautilus V3
USB-C
G Pen Roam
Micro-USB
Charge Time
Cipher Nautilus V3
About 1 hour
G Pen Roam
~2 hours
Power Adjustment
Cipher Nautilus V3
Variable, set with plus and minus buttons
G Pen Roam
Digital Control
Chamber Material
Cipher Nautilus V3
Ceramic
G Pen Roam
Quartz
Brand
Cipher Nautilus V3
Cipher
G Pen Roam
Grenco Science
Typical price
$80
Sold by Daily High Club
Lowest price
$49.95
at G Pen
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.
Direct comparison of every spec from each device profile.
| Specification | Cipher Nautilus V3 | G Pen Roam |
|---|---|---|
| Price (USD) | $80 | $100 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | 45-60 seconds | ~5 seconds |
| Temperature Range | 149-224°C (300-435°F) | 204°C - 427°C (400°F - 800°F) |
| Battery Type | Internal | Internal |
| Battery Capacity | 1200mAh | 1300mAh |
| Battery Life | 6-7 sessions per charge | 15-20 sessions |
| Charging | USB-C | Micro-USB |
| Charge Time | About 1 hour | ~2 hours |
| Dimensions | 127 x 50 x 40mm | — |
| Weight | — | ~317g |
| Power Adjustment | Variable, set with plus and minus buttons | Digital Control |
| Chamber Material | Ceramic | Quartz |
| Concentrate Support | — | Yes |
| Brand | Cipher | Grenco Science |
| Adjustable Airflow | — | No |
| Body Finish | Birch, black, palm or redheart wood grain | — |
| Display Type | Round colour screen (battery, set temperature, session timer) | LED |
| Haptic Feedback | — | Yes |
| Mouthpiece | Magnetic, removable | — |
| Release Date | 2025 | 2020 |
| Session Style | Session | — |
| Stem Adapter | Optional Churchwarden kit, 10.4mm connector | — |
| Warranty | 1 year | 1 year |
The biggest practical difference is heat-up speed: the G Pen Roam is ready in ~5 seconds versus 45-60 seconds on the Cipher Nautilus V3, which changes whether it feels on-demand or scheduled.
Cipher Nautilus V3 is the cheaper option at $80 compared with $100 for the G Pen Roam, about $20 less. Live retailer pricing can shift, so confirm before buying.
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Cipher Nautilus V3 takes 45-60 seconds. That's roughly 48 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Cipher Nautilus V3 controls heat with variable, set with plus and minus buttons, while the G Pen Roam uses digital control. G Pen Roam gives you finer per-degree control.
Cipher Nautilus V3 fully charges in About 1 hour, ahead of ~2 hours on the G Pen Roam.
Cipher Nautilus V3's spec sheet lists 6-7 sessions per charge; the G Pen Roam lists 15-20 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
G Pen Roam covers 204°C - 427°C (400°F - 800°F), a wider band than the Cipher Nautilus V3 at 149-224°C (300-435°F). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.