Price (USD)
Flowermate V5 Nano edgeFlowermate V5 Nano
$130
G Pen Roam
$200
Flowermate V5 Nano is typically around $70 lower.
Vaporizer Comparison
Flowermate V5 Nano vs G Pen Roam
Side-by-side specs, pricing context, and clear decision guidance.
Flowermate V5 Nano
Flowermate $130
VS
G Pen Roam
Grenco Science $200
Editorial Summary
Flowermate V5 Nano and G Pen Roam are both portable / electronic vaporizers, but they target different priorities. Flowermate V5 Nano is usually the lower-cost pick at $130, around $70 below G Pen Roam. G Pen Roam has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
24
Different Specs
20
Shared Specs
4
Overall Overlap
17%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
G Pen Roam edgeFlowermate V5 Nano
~30 seconds
G Pen Roam
~5 seconds
G Pen Roam has the quicker listed heat-up profile.
Weight
Flowermate V5 Nano edgeFlowermate V5 Nano
155 grams
G Pen Roam
~317g
Flowermate V5 Nano is the lighter listed unit.
Heating Style
Close callFlowermate V5 Nano
Conduction
G Pen Roam
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Flowermate V5 Nano
$130
G Pen Roam
$200
Heat Up Time
Flowermate V5 Nano
~30 seconds
G Pen Roam
~5 seconds
Temperature Range
Flowermate V5 Nano
40℃ - 230℃ (104°F - 446°F)
G Pen Roam
204°C - 427°C (400°F - 800°F)
Battery Type
Flowermate V5 Nano
Removable 18650
G Pen Roam
Internal
Battery Capacity
Flowermate V5 Nano
2500mAh
G Pen Roam
1300mAh
Battery Life
Flowermate V5 Nano
40-50 minutes
G Pen Roam
15-20 sessions
Charge Time
Flowermate V5 Nano
2 - 2.5 hours
G Pen Roam
~2 hours
Dimensions
Flowermate V5 Nano
122.78 x 50.2 x 23.2mm
G Pen Roam
178x127x102mm
Weight
Flowermate V5 Nano
155 grams
G Pen Roam
~317g
Power Adjustment
Flowermate V5 Nano
Digital
G Pen Roam
Digital Control
Choose Flowermate V5 Nano if...
- You want the lower listed entry price ($130 vs $200).
- You want the lighter unit for carrying and travel.
- Your usage leans toward hybrid and battery swap sessions.
Choose G Pen Roam if...
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward concentrates sessions.
- You prefer G Pen Roam's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
20 differ 4 shared
| Specification | Flowermate V5 Nano | G Pen Roam |
|---|---|---|
| Price (USD) | $130 | $200 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | ~30 seconds | ~5 seconds |
| Temperature Range | 40℃ - 230℃ (104°F - 446°F) | 204°C - 427°C (400°F - 800°F) |
| Chamber Capacity | 0.4 grams | — |
| Battery Type | Removable 18650 | Internal |
| Battery Capacity | 2500mAh | 1300mAh |
| Battery Life | 40-50 minutes | 15-20 sessions |
| Charging | Micro USB | Micro-USB |
| Charge Time | 2 - 2.5 hours | ~2 hours |
| Dimensions | 122.78 x 50.2 x 23.2mm | 178x127x102mm |
| Weight | 155 grams | ~317g |
| Power Adjustment | Digital | Digital Control |
| Chamber Material | Ceramic | Quartz |
| Concentrate Support | — | Yes |
| Brand | Flowermate | Grenco Science |
| Adjustable Airflow | — | No |
| Country of Manufacture | China | — |
| Display Type | — | LED |
| Haptic Feedback | — | Yes |
| Release Date | — | 2020 |
| Session Style | Session | — |
| Warranty | 1 year | 1 year |
Comparison FAQs
What is the biggest difference between the Flowermate V5 Nano and the G Pen Roam?
The biggest practical difference is portability: the Flowermate V5 Nano is roughly 162g lighter than the G Pen Roam, which adds up over a day of pocket carry.
Which is cheaper, the Flowermate V5 Nano or the G Pen Roam?
Flowermate V5 Nano is the cheaper option at $130 compared with $200 for the G Pen Roam, about $70 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Flowermate V5 Nano or the G Pen Roam?
G Pen Roam reaches session-ready temperature in ~5 seconds, while the Flowermate V5 Nano takes ~30 seconds. That's roughly 25 seconds quicker on the G Pen Roam, which is useful if you want shorter, on-demand sessions.
Which is lighter, the Flowermate V5 Nano or the G Pen Roam?
Flowermate V5 Nano is the lighter unit at 155 grams, around 162g less than the G Pen Roam at ~317g. The lighter device is easier to carry and pocket day-to-day.
Can I swap the batteries on the Flowermate V5 Nano or the G Pen Roam?
Flowermate V5 Nano uses removable 18650, so you can carry spares for back-to-back days. The G Pen Roam has a built-in battery you can't swap on the go.
Which charges faster, the Flowermate V5 Nano or the G Pen Roam?
G Pen Roam fully charges in ~2 hours, ahead of 2 - 2.5 hours on the Flowermate V5 Nano.
What battery life can I expect from the Flowermate V5 Nano and the G Pen Roam?
Flowermate V5 Nano's spec sheet lists 40-50 minutes; the G Pen Roam lists 15-20 sessions. The two manufacturers measure battery life differently here, so direct comparison isn't straightforward.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.