Price (USD)
XMAX Starry 4 edgeFirefly 2+
$250
XMAX Starry 4
$99
XMAX Starry 4 is typically around $151 lower.
Vaporizer Comparison
Firefly 2+ vs XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
XMAX Starry 4
XMAX $99
Editorial Summary
Firefly 2+ and XMAX Starry 4 are both portable / battery swap vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $151 below Firefly 2+. Firefly 2+ 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
Portable Battery Swap Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heat-Up Time
Firefly 2+ edgeFirefly 2+
~3 seconds
XMAX Starry 4
~15 seconds
Firefly 2+ has the quicker listed heat-up profile.
Weight
Close callFirefly 2+
~140g
XMAX Starry 4
~137g
Weight is close enough that portability is likely similar.
Heating Style
Close callFirefly 2+
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)
Firefly 2+
$250
XMAX Starry 4
$99
Heating Type
Firefly 2+
Convection
XMAX Starry 4
Conduction
Heat Up Time
Firefly 2+
~3 seconds
XMAX Starry 4
~15 seconds
Temperature Range
Firefly 2+
93°C - 260°C
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
Firefly 2+
~0.15g
XMAX Starry 4
0.4g
Battery Type
Firefly 2+
Removable (proprietary)
XMAX Starry 4
18650
Battery Capacity
Firefly 2+
770mAh
XMAX Starry 4
2550mAh
Battery Life
Firefly 2+
<90 minutes
XMAX Starry 4
~60 minutes
Charging
Firefly 2+
Proprietary Dock
XMAX Starry 4
USB-C
Charge Time
Firefly 2+
~45 minutes
XMAX Starry 4
~90 minutes
Choose Firefly 2+ if...
- You care about faster heat-up time for quicker sessions.
- You prefer a convection heating profile.
- Your usage leans toward premium and convection sessions.
Choose XMAX Starry 4 if...
- You want the lower listed entry price ($99 vs $250).
- You prefer a conduction heating profile.
- Your usage leans toward conduction and budget sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
25 differ 2 shared
| Specification | Firefly 2+ | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $250 | $99 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | ~15 seconds |
| Temperature Range | 93°C - 260°C | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | ~0.15g | 0.4g |
| Battery Type | Removable (proprietary) | 18650 |
| Battery Capacity | 770mAh | 2550mAh |
| Battery Life | <90 minutes | ~60 minutes |
| Charging | Proprietary Dock | USB-C |
| Charge Time | ~45 minutes | ~90 minutes |
| Pass-Through Charging | No | Yes |
| Dimensions | 129x36x24mm | 115.9 x 37.5 x 24mm |
| Weight | ~140g | ~137g |
| Power Adjustment | Digital (precise) | Digital (precise) |
| Chamber Material | Glass | Ceramic |
| Brand | Firefly Vapor | XMAX |
| Adjustable Airflow | — | Yes |
| Chamber Type | Ceramic | — |
| Country of Manufacture | — | China |
| Display Type | — | OLED |
| Haptic Feedback | — | Yes |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2019 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | On-Demand | Session |
| Warranty | 2 years | 1 year |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the XMAX Starry 4?
The biggest practical difference is price tier: the XMAX Starry 4 sits at $99 while the Firefly 2+ is $250, a gap of about $151 that puts them in different buying brackets.
Which is cheaper, the Firefly 2+ or the XMAX Starry 4?
XMAX Starry 4 is the cheaper option at $99 compared with $250 for the Firefly 2+, about $151 less. Live retailer pricing can shift, so confirm before buying.
Which heats up faster, the Firefly 2+ or the XMAX Starry 4?
Firefly 2+ reaches session-ready temperature in ~3 seconds, while the XMAX Starry 4 takes ~15 seconds. That's roughly 12 seconds quicker on the Firefly 2+, which is useful if you want shorter, on-demand sessions.
What's the difference in heating between the Firefly 2+ and the XMAX Starry 4?
Firefly 2+ 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.
Does the Firefly 2+ or the XMAX Starry 4 hold more flower?
XMAX Starry 4 has the larger chamber at 0.4g, versus ~0.15g on the Firefly 2+. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which has better battery life, the Firefly 2+ or the XMAX Starry 4?
Firefly 2+ is rated for <90 minutes, ahead of ~60 minutes on the XMAX Starry 4. Real-world battery life depends on how high you set the temperature and how long sessions run.
Can I use the XMAX Starry 4 while charging?
Yes, only the XMAX Starry 4 supports pass-through charging. The Firefly 2+ has to finish charging before you can use it.
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