Price (USD)
XMAX Starry 4 edgeHydrology9
$199
XMAX Starry 4
$99
XMAX Starry 4 is typically around $100 lower.
VS
Hydrology9 vs XMAX Starry 4
Side-by-side vaporizer comparison including specs, pricing context, and decision guidance.
Editorial Summary
Hydrology9 and XMAX Starry 4 are both conduction / electronic vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $100 below Hydrology9. XMAX Starry 4 has the quicker listed heat-up profile, which can matter for shorter sessions.
Specs Compared
20
Different Specs
19
Shared Specs
1
Overall Overlap
5%
Shared Traits
ConductionElectronic
Head-to-Head Highlights
Quick snapshot of the specs people usually care about first.
Heat-Up Time
XMAX Starry 4 edgeHydrology9
~1 minute
XMAX Starry 4
~15 seconds
XMAX Starry 4 has the quicker listed heat-up profile.
Heating Style
Close / ContextualHydrology9
Conduction
XMAX Starry 4
Conduction
Both devices use a similar heating approach.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Hydrology9
$199
XMAX Starry 4
$99
Device Type
Hydrology9
Portable
XMAX Starry 4
—
Heat Up Time
Hydrology9
~1 minute
XMAX Starry 4
~15 seconds
Temperature Range
Hydrology9
250°F-430°F
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Battery Type
Hydrology9
—
XMAX Starry 4
18650
Battery Capacity
Hydrology9
2000mAh
XMAX Starry 4
2550mAh
Charging
Hydrology9
—
XMAX Starry 4
USB-C
Charge Time
Hydrology9
~2 hours
XMAX Starry 4
—
Pass-Through Charging
Hydrology9
—
XMAX Starry 4
Yes
Dimensions
Hydrology9
~4.5 x ~17.5cm
XMAX Starry 4
115.9 x 37.5 x 24mm
Choose Hydrology9 if...
- Your usage leans toward desktop sessions.
- You prefer Hydrology9's overall feature mix and form factor.
- You prefer Hydrology9's overall feature mix and form factor.
Choose XMAX Starry 4 if...
- You want the lower listed entry price ($99 vs $199).
- You care about faster heat-up time for quicker sessions.
- Your usage leans toward portable and budget sessions.
Spec Comparison Table
Direct comparison of shared and unique specifications from each device profile. (19 differences, 1 overlaps)
| Specification | Hydrology9 | XMAX Starry 4 |
|---|---|---|
| Price (USD) diff | $199 | $99 |
| Device Type diff | Portable | — |
| Heating Type | Conduction | Conduction |
| Heat Up Time diff | ~1 minute | ~15 seconds |
| Temperature Range diff | 250°F-430°F | 100℃-240℃ (212℉-464℉) |
| Battery Type diff | — | 18650 |
| Battery Capacity diff | 2000mAh | 2550mAh |
| Charging diff | — | USB-C |
| Charge Time diff | ~2 hours | — |
| Pass-Through Charging diff | — | Yes |
| Dimensions diff | ~4.5 x ~17.5cm | 115.9 x 37.5 x 24mm |
| Power Adjustment diff | Modular - 5 stage | — |
| Brand diff | Cloudious9 | — |
| Chamber Material diff | — | Ceramic |
| Chamber Size diff | ~0.5 grams | — |
| Cooling diff | Liquid | — |
| Display Type diff | — | OLED |
| Haptic Feedback diff | — | Yes |
| Manufacturer diff | — | TopGreen Technology Co |
| Replaceable Battery diff | — | Yes |
Comparison FAQs
Is Hydrology9 better than XMAX Starry 4?
Neither is universally better. Hydrology9 fits some priorities, while XMAX Starry 4 fits others. This side-by-side comparison highlights the tradeoffs so you can choose based on your own use-case.
Which is cheaper: Hydrology9 or XMAX Starry 4?
XMAX Starry 4 is listed lower ($99) compared with Hydrology9 ($199), but live retailer pricing can change.
Which heats up faster between Hydrology9 and XMAX Starry 4?
XMAX Starry 4 has the faster listed heat-up time (~15 seconds) versus Hydrology9 (~1 minute).
Need a Different Matchup?
Jump into the full comparison hub to pick any two devices and open a canonical side-by-side page.