Price (USD)
G Pen Pro edgeG Pen Pro
$90
Zeus Arc GT4
$260
G Pen Pro is typically around $170 lower.
Vaporizer Comparison
G Pen Pro vs Zeus Arc GT4
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Pro
Grenco Science $90
VS
Zeus Arc GT4
Zeus Arsenal $260
Editorial Summary
G Pen Pro and Zeus Arc GT4 are both portable / electronic vaporizers, but they target different priorities. G Pen Pro is usually the lower-cost pick at $90, around $170 below Zeus Arc GT4. Heat-up speed is broadly similar between the two.
Specs Compared
25
Different Specs
23
Shared Specs
2
Overall Overlap
8%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callG Pen Pro
~30 seconds
Zeus Arc GT4
~35 seconds
Both devices are in a similar heat-up range.
Heating Style
Close callG Pen Pro
Convection
Zeus Arc GT4
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)
G Pen Pro
$90
Zeus Arc GT4
$260
Heating Type
G Pen Pro
Convection
Zeus Arc GT4
Conduction
Heat Up Time
G Pen Pro
~30 seconds
Zeus Arc GT4
~35 seconds
Temperature Range
G Pen Pro
190°C - 220°C (375°F - 428°F)
Zeus Arc GT4
195-225°C (383-437°F) herb, 235-255°C (455-491°F) wax
Chamber Capacity
G Pen Pro
~0.25 grams
Zeus Arc GT4
Up to ~0.4g in an ArcPod, spacer included for smaller loads
Battery Capacity
G Pen Pro
2200mAh
Zeus Arc GT4
3500mAh
Charging
G Pen Pro
Micro-USB
Zeus Arc GT4
USB-C (5V, 2.5A, 12.5W)
Charge Time
G Pen Pro
<3 hours
Zeus Arc GT4
~90 minutes
Power Adjustment
G Pen Pro
Modular - 3 Stages
Zeus Arc GT4
Presets (6 herb levels, 3 wax levels)
Chamber Material
G Pen Pro
Ceramic
Zeus Arc GT4
24K gold coated
Choose G Pen Pro if...
- You want the lower listed entry price ($90 vs $260).
- You prefer a convection heating profile.
- Your usage leans toward budget and convection sessions.
Choose Zeus Arc GT4 if...
- You prefer a conduction heating profile.
- Your usage leans toward conduction and concentrates sessions.
- You prefer Zeus Arc GT4's overall feature mix and form factor.
Spec Comparison Table
Direct comparison of every spec from each device profile.
23 differ 2 shared
| Specification | G Pen Pro | Zeus Arc GT4 |
|---|---|---|
| Price (USD) | $90 | $260 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~30 seconds | ~35 seconds |
| Temperature Range | 190°C - 220°C (375°F - 428°F) | 195-225°C (383-437°F) herb, 235-255°C (455-491°F) wax |
| Chamber Capacity | ~0.25 grams | Up to ~0.4g in an ArcPod, spacer included for smaller loads |
| Battery Type | Internal | Internal |
| Battery Capacity | 2200mAh | 3500mAh |
| Battery Life | — | ~6-8 sessions per charge |
| Charging | Micro-USB | USB-C (5V, 2.5A, 12.5W) |
| Charge Time | <3 hours | ~90 minutes |
| Dimensions | — | 86.5 x 42.5 x 22.5mm |
| Weight | — | ~121 grams |
| Power Adjustment | Modular - 3 Stages | Presets (6 herb levels, 3 wax levels) |
| Chamber Material | Ceramic | 24K gold coated |
| Concentrate Support | — | Yes, via the WaxPod and a dedicated wax mode |
| Brand | Grenco Science | Zeus Arsenal |
| Adjustable Airflow | — | Yes (Flow Sink in for a restricted draw, out for a free draw) |
| Display Type | — | 3 LED status interface |
| Haptic Feedback | — | Yes |
| Manufacturer | — | Thermodyne Systems |
| Release Date | 2017 | 2025 |
| Session Style | Session | Session (6 minute herb cycle, ~2 minute wax cycle) |
| Warranty | 1 year | 2 years, extendable to 3 with registration (battery 3 months) |
| Water Pipe Adapter | — | Included, fits 14mm and 18mm glass |
Comparison FAQs
What is the biggest difference between the G Pen Pro and the Zeus Arc GT4?
The biggest practical difference is price tier: the G Pen Pro sits at $90 while the Zeus Arc GT4 is $260, a gap of about $170 that puts them in different buying brackets.
Which is cheaper, the G Pen Pro or the Zeus Arc GT4?
G Pen Pro is the cheaper option at $90 compared with $260 for the Zeus Arc GT4, about $170 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the G Pen Pro or the Zeus Arc GT4?
G Pen Pro reaches session-ready temperature in ~30 seconds, while the Zeus Arc GT4 takes ~35 seconds. That's roughly 5 seconds quicker on the G Pen Pro, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the G Pen Pro and the Zeus Arc GT4?
G Pen Pro uses convection heating, while the Zeus Arc GT4 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the G Pen Pro or the Zeus Arc GT4 hold more flower?
Zeus Arc GT4 has the larger chamber at Up to ~0.4g in an ArcPod, spacer included for smaller loads, versus ~0.25 grams on the G Pen Pro. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which charges faster, the G Pen Pro or the Zeus Arc GT4?
Zeus Arc GT4 fully charges in ~90 minutes, ahead of <3 hours on the G Pen Pro.
Can I use the G Pen Pro or the Zeus Arc GT4 with a water pipe?
Only the Zeus Arc GT4 has a documented water-pipe adapter option. The G Pen Pro doesn't list one, though aftermarket adapters sometimes exist for popular models.
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