Price (USD)
Close callHydrology9 NX
$250
Zeus Arc GT4
$260
Pricing is very close between both devices.
Vaporizer Comparison
Hydrology9 NX vs Zeus Arc GT4
Side-by-side specs, pricing context, and clear decision guidance.
Hydrology9 NX
Cloudious9 $250
VS
Zeus Arc GT4
Zeus Arsenal $260
Editorial Summary
Hydrology9 NX and Zeus Arc GT4 are both concentrates / electronic vaporizers, but they target different priorities. Their listed prices are close ($250 vs $260). Heat-up speed is broadly similar between the two.
Specs Compared
25
Different Specs
25
Shared Specs
0
Overall Overlap
0%
Shared Traits
Concentrates Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Close callHydrology9 NX
~30 seconds
Zeus Arc GT4
~35 seconds
Both devices are in a similar heat-up range.
Weight
Zeus Arc GT4 edgeHydrology9 NX
413 grams
Zeus Arc GT4
~121 grams
Zeus Arc GT4 is the lighter listed unit.
Heating Style
Close callHydrology9 NX
Hybrid 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)
Hydrology9 NX
$250
Zeus Arc GT4
$260
Device Type
Hydrology9 NX
Desktop
Zeus Arc GT4
Portable
Heating Type
Hydrology9 NX
Hybrid Convection
Zeus Arc GT4
Conduction
Heat Up Time
Hydrology9 NX
~30 seconds
Zeus Arc GT4
~35 seconds
Temperature Range
Hydrology9 NX
356°F - 455°F (herb), 554°F - 770°F (extract)
Zeus Arc GT4
195-225°C (383-437°F) herb, 235-255°C (455-491°F) wax
Chamber Capacity
Hydrology9 NX
~0.2g - 0.25g
Zeus Arc GT4
Up to ~0.4g in an ArcPod, spacer included for smaller loads
Battery Type
Hydrology9 NX
Removable
Zeus Arc GT4
Internal
Battery Capacity
Hydrology9 NX
1900mAh
Zeus Arc GT4
3500mAh
Battery Life
Hydrology9 NX
60-120 sessions
Zeus Arc GT4
~6-8 sessions per charge
Charging
Hydrology9 NX
USB to Propietary Magnetic Connector
Zeus Arc GT4
USB-C (5V, 2.5A, 12.5W)
Choose Hydrology9 NX if...
- You prefer a hybrid convection heating profile.
- Your usage leans toward hybrid and convection sessions.
- You prefer Hydrology9 NX's overall feature mix and form factor.
Typical price
$250
Sold by To the Cloud Vapor Store
Choose Zeus Arc GT4 if...
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
- Your usage leans toward portable and conduction sessions.
Prices are read automatically from retailer pages; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.
Spec Comparison Table
Direct comparison of every spec from each device profile.
25 differ 0 shared
| Specification | Hydrology9 NX | Zeus Arc GT4 |
|---|---|---|
| Price (USD) | $250 | $260 |
| Device Type | Desktop | Portable |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | ~35 seconds |
| Temperature Range | 356°F - 455°F (herb), 554°F - 770°F (extract) | 195-225°C (383-437°F) herb, 235-255°C (455-491°F) wax |
| Chamber Capacity | ~0.2g - 0.25g | Up to ~0.4g in an ArcPod, spacer included for smaller loads |
| Battery Type | Removable | Internal |
| Battery Capacity | 1900mAh | 3500mAh |
| Battery Life | 60-120 sessions | ~6-8 sessions per charge |
| Charging | USB to Propietary Magnetic Connector | USB-C (5V, 2.5A, 12.5W) |
| Charge Time | ~60 minutes | ~90 minutes |
| Dimensions | 4.5cm x 4.5cm x 17.5cm | 86.5 x 42.5 x 22.5mm |
| Weight | 413 grams | ~121 grams |
| Power Adjustment | 6 Presets (Dial) | Presets (6 herb levels, 3 wax levels) |
| Chamber Material | Ceramic (herb) / Quartz & Ceramic (extract) | 24K gold coated |
| Concentrate Support | Yes | Yes, via the WaxPod and a dedicated wax mode |
| Brand | Cloudious9 | 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 | 2021 | 2025 |
| Session Style | Session | Session (6 minute herb cycle, ~2 minute wax cycle) |
| Warranty | 2 years | 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 Hydrology9 NX and the Zeus Arc GT4?
The biggest practical difference is form factor: these aren't the same kind of device. Hydrology9 NX is a desktop, Zeus Arc GT4 is a portable. Pick based on whether you want something portable or something stationary.
Which heats up faster, the Hydrology9 NX or the Zeus Arc GT4?
Hydrology9 NX reaches session-ready temperature in ~30 seconds, while the Zeus Arc GT4 takes ~35 seconds. That's roughly 5 seconds quicker on the Hydrology9 NX, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Hydrology9 NX and the Zeus Arc GT4?
Hydrology9 NX uses hybrid 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 Hydrology9 NX 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 ~0.2g - 0.25g on the Hydrology9 NX. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Hydrology9 NX or the Zeus Arc GT4?
Zeus Arc GT4 is the lighter unit at ~121 grams, around 292g less than the Hydrology9 NX at 413 grams. The lighter device is easier to carry and pocket day-to-day.
Is the Hydrology9 NX or the Zeus Arc GT4 better for home versus on-the-go use?
Zeus Arc GT4 is the take-anywhere choice. It's a portable, battery-powered unit, while the Hydrology9 NX is built for home use, where bigger heaters, AC power, and larger chambers make sense.
Which is cheaper, the Hydrology9 NX or the Zeus Arc GT4?
Listed prices are close: $250 for the Hydrology9 NX versus $260 for the Zeus Arc GT4. Day-to-day price will likely come down to whichever retailer is running a promotion.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.