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
Hydrology9 NX
VS
XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
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
17
Different Specs
17
Shared Specs
0
Overall Overlap
0%
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
Close callHydrology9 NX
413 grams
XMAX Starry 4
—
Weight is close enough that portability is likely similar.
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
vs
XMAX Starry 4
$99
Heating Type
Hydrology9 NX
Hybrid Convection
vs
XMAX Starry 4
Conduction
Heat Up Time
Hydrology9 NX
~30 seconds
vs
XMAX Starry 4
~15 seconds
Temperature Range
Hydrology9 NX
—
vs
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Battery Type
Hydrology9 NX
—
vs
XMAX Starry 4
18650
Battery Capacity
Hydrology9 NX
1900mAh
vs
XMAX Starry 4
2550mAh
Charging
Hydrology9 NX
USB to Propietary Magnetic Connector
vs
XMAX Starry 4
USB-C
Charge Time
Hydrology9 NX
~60 minutes
vs
XMAX Starry 4
—
Pass-Through Charging
Hydrology9 NX
—
vs
XMAX Starry 4
Yes
Dimensions
Hydrology9 NX
4.5cm x 4.5cm x 17.5cm
vs
XMAX Starry 4
115.9 x 37.5 x 24mm
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 prefer a conduction heating profile.
- Your usage leans toward conduction and portable sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
17 differ 0 shared
| Specification | Hydrology9 NX | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $250 | $99 |
| Heating Type | Hybrid Convection | Conduction |
| Heat Up Time | ~30 seconds | ~15 seconds |
| Temperature Range | — | 100℃-240℃ (212℉-464℉) |
| Battery Type | — | 18650 |
| Battery Capacity | 1900mAh | 2550mAh |
| Charging | USB to Propietary Magnetic Connector | USB-C |
| Charge Time | ~60 minutes | — |
| Pass-Through Charging | — | Yes |
| Dimensions | 4.5cm x 4.5cm x 17.5cm | 115.9 x 37.5 x 24mm |
| Weight | 413 grams | — |
| Brand | Cloudious9 | — |
| Chamber Material | — | Ceramic |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Replaceable Battery | — | Yes |
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.
Can I use the XMAX Starry 4 while charging?
Yes, only the XMAX Starry 4 supports pass-through charging. The Hydrology9 NX has to finish charging before you can use it.
Which is more discreet, the Hydrology9 NX or the XMAX Starry 4?
XMAX Starry 4 is the better pick if low-profile use matters. It's tagged as stealth or pocket-friendly in our database, while the Hydrology9 NX is more conspicuous in hand and harder to keep out of sight.
Which uses USB-C, the Hydrology9 NX or the XMAX Starry 4?
XMAX Starry 4 charges over USB-C; the Hydrology9 NX uses an USB to Propietary Magnetic Connector port. USB-C means one fewer cable to keep around if your phone and laptop already use it.
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