Price (USD)
XMAX Starry 4 edgeHydrology9 NX
$250
XMAX Starry 4
$99
XMAX Starry 4 is typically around $151 lower.
Vaporizer Comparison
Hydrology9 NX vs XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Hydrology9 NX
Cloudious9 $250
VS
XMAX Starry 4
XMAX $99
Editorial Summary
Hydrology9 NX and XMAX Starry 4 are both electronic vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $151 below Hydrology9 NX. XMAX Starry 4 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
27
Different Specs
25
Shared Specs
2
Overall Overlap
7%
Shared Traits
Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
XMAX Starry 4 edgeHydrology9 NX
~30 seconds
XMAX Starry 4
~15 seconds
XMAX Starry 4 has the quicker listed heat-up profile.
Weight
XMAX Starry 4 edgeHydrology9 NX
413 grams
XMAX Starry 4
~137g
XMAX Starry 4 is the lighter listed unit.
Heating Style
Close callHydrology9 NX
Hybrid Convection
XMAX Starry 4
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
XMAX Starry 4
$99
Device Type
Hydrology9 NX
Desktop
XMAX Starry 4
Portable
Heating Type
Hydrology9 NX
Hybrid Convection
XMAX Starry 4
Conduction
Heat Up Time
Hydrology9 NX
~30 seconds
XMAX Starry 4
~15 seconds
Temperature Range
Hydrology9 NX
324°F - 468°F
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Hydrology9 NX
~0.2g - 0.25g
XMAX Starry 4
0.4g
Battery Type
Hydrology9 NX
Removable
XMAX Starry 4
18650
Battery Capacity
Hydrology9 NX
1900mAh
XMAX Starry 4
2550mAh
Battery Life
Hydrology9 NX
60-120 sessions
XMAX Starry 4
~60 minutes
Charging
Hydrology9 NX
USB to Propietary Magnetic Connector
XMAX Starry 4
USB-C
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.
Choose XMAX Starry 4 if...
- You want the lower listed entry price ($99 vs $250).
- You care about faster heat-up time for quicker sessions.
- You want the lighter unit for carrying and travel.
- You prefer a conduction heating profile.
Spec Comparison Table
Direct comparison of every spec from each device profile.
25 differ 2 shared
| Specification | Hydrology9 NX | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $250 | $99 |
| Device Type | Desktop | Portable |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | ~15 seconds |
| Temperature Range | 324°F - 468°F | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | ~0.2g - 0.25g | 0.4g |
| Battery Type | Removable | 18650 |
| Battery Capacity | 1900mAh | 2550mAh |
| Battery Life | 60-120 sessions | ~60 minutes |
| Charging | USB to Propietary Magnetic Connector | USB-C |
| Charge Time | ~60 minutes | ~90 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | 4.5cm x 4.5cm x 17.5cm | 115.9 x 37.5 x 24mm |
| Weight | 413 grams | ~137g |
| Power Adjustment | 6 Presets (Dial) | Digital (precise) |
| Chamber Material | Ceramic | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Cloudious9 | XMAX |
| Adjustable Airflow | — | Yes |
| Country of Manufacture | — | China |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2021 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | Session | Session |
| Warranty | 2 years | 1 year |
Comparison FAQs
What is the biggest difference between the Hydrology9 NX and the XMAX Starry 4?
The biggest practical difference is price tier: the XMAX Starry 4 sits at $99 while the Hydrology9 NX is $250, a gap of about $151 that puts them in different buying brackets.
Which is cheaper, the Hydrology9 NX or the XMAX Starry 4?
XMAX Starry 4 is the cheaper option at $99 compared with $250 for the Hydrology9 NX, about $151 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Hydrology9 NX or the XMAX Starry 4?
XMAX Starry 4 reaches session-ready temperature in ~15 seconds, while the Hydrology9 NX takes ~30 seconds. That's roughly 15 seconds quicker on the XMAX Starry 4, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Hydrology9 NX and the XMAX Starry 4?
Hydrology9 NX uses hybrid convection heating, while the XMAX Starry 4 uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Hydrology9 NX or the XMAX Starry 4 hold more flower?
XMAX Starry 4 has the larger chamber at 0.4g, 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 XMAX Starry 4?
XMAX Starry 4 is the lighter unit at ~137g, around 276g 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 XMAX Starry 4 better for home versus on-the-go use?
XMAX Starry 4 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.
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