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Vaporizer Comparison

PAX FOUR vs Ruby Twist

Side-by-side specs, pricing context, and clear decision guidance.

PAX FOUR

PAX FOUR

PAX Labs $250

VS
Ruby Twist

Ruby Twist

SZ Crossing from $199.99

Editorial Summary

PAX FOUR and Ruby Twist are both electronic vaporizers, but they target different priorities. Ruby Twist is usually the lower-cost pick at $170, around $80 below PAX FOUR. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.

Specs Compared

27

Different Specs

27

Shared Specs

0

Overall Overlap

0%

Shared Traits

Electronic

Head-to-Head Highlights

A quick snapshot of the specs people usually care about first.

Price (USD)

Ruby Twist edge

PAX FOUR

$250

Ruby Twist

$170

Ruby Twist is typically around $80 lower.

Weight

PAX FOUR edge

PAX FOUR

125 grams

Ruby Twist

0.8kg

PAX FOUR is the lighter listed unit.

Heating Style

Close call

PAX FOUR

Hybrid (conduction and convection)

Ruby Twist

Convection

Heating style differs, which can impact flavor and extraction behavior.

Key Differences at a Glance

Top specs where these two devices diverge.

10 differences

Price (USD)

PAX FOUR

$250

Ruby Twist

$170

Device Type

PAX FOUR

Portable

Ruby Twist

Desktop

Heating Type

PAX FOUR

Hybrid (conduction and convection)

Ruby Twist

Convection

Temperature Range

PAX FOUR

190-220°C (374-428°F)

Ruby Twist

450F - 650F (Recommended Range)

Chamber Capacity

PAX FOUR

~0.3g

Ruby Twist

0.05g - ~0.4g

Battery Type

PAX FOUR

Internal lithium-ion

Ruby Twist

N/A

Charging

PAX FOUR

USB-C

Ruby Twist

N/A

Dimensions

PAX FOUR

108 x 36 x 29mm

Ruby Twist

72x36x108mm

Weight

PAX FOUR

125 grams

Ruby Twist

0.8kg

Power Adjustment

PAX FOUR

Four preset heat modes (purple, green, yellow, orange)

Ruby Twist

Digital (precise)

Choose PAX FOUR if...

  • You want the lighter unit for carrying and travel.
  • You prefer a hybrid (conduction and convection) heating profile.
  • Your usage leans toward portable and hybrid sessions.

Typical price

$250

Sold by The Stash Shack

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Choose Ruby Twist if...

  • You want the lower listed entry price ($170 vs $250).
  • You prefer a convection heating profile.
  • Your usage leans toward desktop and convection sessions.

Current price

$199.99

at The Stash Shack

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Prices are read automatically from retailer pages and were last checked Aug 27, 2026; 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.

27 differ 0 shared
SpecificationPAX FOURRuby Twist
Price (USD) $250$170
Device Type PortableDesktop
Heating Type Hybrid (conduction and convection)Convection
Heat Up Time 55-70 seconds
Temperature Range 190-220°C (374-428°F)450F - 650F (Recommended Range)
Chamber Capacity ~0.3g0.05g - ~0.4g
Battery Type Internal lithium-ionN/A
Battery Capacity 2800mAh
Battery Life Up to 5 sessions, about 50 minutes of run time
Charging USB-CN/A
Charge Time ~90 minutes
Dimensions 108 x 36 x 29mm72x36x108mm
Weight 125 grams0.8kg
Power Adjustment Four preset heat modes (purple, green, yellow, orange)Digital (precise)
Chamber Material Stainless steelGlass
Concentrate Support No (not compatible with the PAX Concentrate Insert)
Brand PAX LabsSZ Crossing
Adjustable Airflow No (flat and raised mouthpieces change the draw)Yes
Ball Type Gem-cut rubies
Body Material Grade 2 Titanium
Coil Size 20mm
Display Type LED petals
Joint Size 14mm male (14-18mm adapter included)
Manufacturer PAX Labs, Inc (model X410)
Release Date 2026
Session Style Session
Warranty 2 years, plus 1 year when registered within 30 days1 year

Comparison FAQs

What is the biggest difference between the PAX FOUR and the Ruby Twist?

The biggest practical difference is form factor: these aren't the same kind of device. PAX FOUR is a portable, Ruby Twist is a desktop. Pick based on whether you want something portable or something stationary.

Which is cheaper, the PAX FOUR or the Ruby Twist?

Ruby Twist is the cheaper option at $170 compared with $250 for the PAX FOUR, about $80 less. Live retailer pricing can shift, so confirm before buying.

What's the difference in heating between the PAX FOUR and the Ruby Twist?

PAX FOUR uses hybrid (conduction and convection) heating, while the Ruby Twist uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.

Does the PAX FOUR or the Ruby Twist hold more flower?

PAX FOUR has the larger chamber at ~0.3g, 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.

Which is lighter, the PAX FOUR or the Ruby Twist?

PAX FOUR is the lighter unit at 125 grams, around 675g less than the Ruby Twist at 0.8kg. The lighter device is easier to carry and pocket day-to-day.

Is the PAX FOUR or the Ruby Twist better for home versus on-the-go use?

PAX FOUR 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.

Can I set custom temperatures on the PAX FOUR or the Ruby Twist?

PAX FOUR controls heat with four preset heat modes (purple, green, yellow, orange), while the Ruby Twist uses digital (precise). Ruby Twist gives you finer per-degree control.

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