Price (USD)
XMAX Starry 4 edgeRuby Twist
$170
XMAX Starry 4
$99
XMAX Starry 4 is typically around $71 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
Ruby Twist
SZ Crossing $169.99
XMAX Starry 4
XMAX $99
Ruby Twist 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 $71 below Ruby Twist. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
30
Different Specs
27
Shared Specs
3
Overall Overlap
10%
Shared Traits
A quick snapshot of the specs people usually care about first.
Ruby Twist
$170
XMAX Starry 4
$99
XMAX Starry 4 is typically around $71 lower.
Ruby Twist
0.8kg
XMAX Starry 4
~137g
XMAX Starry 4 is the lighter listed unit.
Ruby Twist
Convection
XMAX Starry 4
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
Ruby Twist
$170
XMAX Starry 4
$99
Device Type
Ruby Twist
Desktop
XMAX Starry 4
Portable
Heating Type
Ruby Twist
Convection
XMAX Starry 4
Conduction
Temperature Range
Ruby Twist
450F - 650F (Recommended Range)
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Ruby Twist
0.05g - ~0.4g
XMAX Starry 4
0.4g
Battery Type
Ruby Twist
N/A
XMAX Starry 4
18650
Charging
Ruby Twist
N/A
XMAX Starry 4
USB-C
Dimensions
Ruby Twist
72x36x108mm
XMAX Starry 4
115.9 x 37.5 x 24mm
Weight
Ruby Twist
0.8kg
XMAX Starry 4
~137g
Chamber Material
Ruby Twist
Glass
XMAX Starry 4
Ceramic
Direct comparison of every spec from each device profile.
| Specification | Ruby Twist | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $170 | $99 |
| Device Type | Desktop | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | — | ~15 seconds |
| Temperature Range | 450F - 650F (Recommended Range) | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | 0.05g - ~0.4g | 0.4g |
| Battery Type | N/A | 18650 |
| Battery Capacity | — | 2550mAh |
| Battery Life | — | ~60 minutes |
| Charging | N/A | USB-C |
| Charge Time | — | ~90 minutes |
| Pass-Through Charging | — | Yes |
| Dimensions | 72x36x108mm | 115.9 x 37.5 x 24mm |
| Weight | 0.8kg | ~137g |
| Power Adjustment | Digital (precise) | Digital (precise) |
| Chamber Material | Glass | Ceramic |
| Brand | SZ Crossing | XMAX |
| Adjustable Airflow | Yes | Yes |
| Ball Type | Gem-cut rubies | — |
| Body Material | Grade 2 Titanium | — |
| Coil Size | 20mm | — |
| Country of Manufacture | — | China |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Joint Size | 14mm male (14-18mm adapter included) | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | — | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | — | Session |
| Warranty | 1 year | 1 year |
The biggest practical difference is form factor: these aren't the same kind of device. Ruby Twist is a desktop, XMAX Starry 4 is a portable. Pick based on whether you want something portable or something stationary.
XMAX Starry 4 is the cheaper option at $99 compared with $170 for the Ruby Twist, about $71 less. Live retailer pricing can shift, so confirm before buying.
Ruby Twist uses 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.
XMAX Starry 4 has the larger chamber at 0.4g, versus 0.05g - ~0.4g on the Ruby Twist. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
XMAX Starry 4 is the lighter unit at ~137g, around 663g less than the Ruby Twist at 0.8kg. The lighter device is easier to carry and pocket day-to-day.
XMAX Starry 4 is the take-anywhere choice. It's a portable, battery-powered unit, while the Ruby Twist is built for home use, where bigger heaters, AC power, and larger chambers make sense.
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The Ruby Twist has a built-in battery you can't swap on the go.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.