Price (USD)
XMAX Starry 4 edgeG Pen Hyer
$150
XMAX Starry 4
$99
XMAX Starry 4 is typically around $51 lower.
Vaporizer Comparison
G Pen Hyer vs XMAX Starry 4
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
VS
XMAX Starry 4
XMAX from $99
Editorial Summary
G Pen Hyer and XMAX Starry 4 are both portable / conduction vaporizers, but they target different priorities. XMAX Starry 4 is usually the lower-cost pick at $99, around $51 below G Pen Hyer. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
28
Different Specs
24
Shared Specs
4
Overall Overlap
14%
Shared Traits
Portable Conduction Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Heating Style
Close callG Pen Hyer
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)
G Pen Hyer
$150
XMAX Starry 4
$99
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
XMAX Starry 4
100℃-240℃ (212℉-464℉)
Chamber Capacity
G Pen Hyer
~0.5g
XMAX Starry 4
0.4g
Battery Type
G Pen Hyer
External Battery Pack
XMAX Starry 4
18650
Battery Capacity
G Pen Hyer
6000mAh
XMAX Starry 4
2550mAh
Charge Time
G Pen Hyer
2.5 - 3 hours
XMAX Starry 4
~3 hours
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
XMAX Starry 4
Digital (precise)
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
XMAX Starry 4
Ceramic
Brand
G Pen Hyer
Grenco Science
XMAX Starry 4
XMAX
Display Type
G Pen Hyer
LED Light User Interface
XMAX Starry 4
OLED
Choose G Pen Hyer if...
- Your usage leans toward concentrates and premium sessions.
- You prefer G Pen Hyer's overall feature mix and form factor.
- You value how the G Pen Hyer balances size, controls, and everyday practicality.
Current price
$249.99
at Slick Vapes
Choose XMAX Starry 4 if...
- You want the lower listed entry price ($99 vs $150).
- Your usage leans toward budget and battery swap sessions.
- You prefer XMAX Starry 4's overall feature mix and form factor.
Lowest price
$99
at The Stash Shack
Prices are read automatically from retailer pages and were last checked Sep 3, 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.
24 differ 4 shared
| Specification | G Pen Hyer | XMAX Starry 4 |
|---|---|---|
| Price (USD) | $150 | $99 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | — | ~15 seconds |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 100℃-240℃ (212℉-464℉) |
| Chamber Capacity | ~0.5g | 0.4g |
| Battery Type | External Battery Pack | 18650 |
| Battery Capacity | 6000mAh | 2550mAh |
| Battery Life | — | ~60 minutes |
| Charging | USB-C | USB-C |
| Charge Time | 2.5 - 3 hours | ~3 hours |
| Pass-Through Charging | — | No |
| Dimensions | — | 115.9 x 37.5 x 24mm |
| Weight | — | ~137g |
| Power Adjustment | Digital Control - 5 Stage Modular | Digital (precise) |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | XMAX |
| Adjustable Airflow | — | Yes |
| Country of Manufacture | — | China |
| Display Type | LED Light User Interface | OLED |
| Haptic Feedback | No | Yes |
| Heating Element | Stainless Steel | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2022 | 2023 |
| Replaceable Battery | — | Yes |
| Session Style | Session | Session |
| Warranty | — | 1 year |
Comparison FAQs
What is the biggest difference between the G Pen Hyer and the XMAX Starry 4?
There's no single headline gap. The differences are spread across 24 smaller spec rows rather than concentrated in one place. The spec table below marks each row that differs.
Which is cheaper, the G Pen Hyer or the XMAX Starry 4?
XMAX Starry 4 is the cheaper option at $99 compared with $150 for the G Pen Hyer, about $51 less. Live retailer pricing can shift, so confirm before buying.
Does the G Pen Hyer or the XMAX Starry 4 hold more flower?
G Pen Hyer has the larger chamber at ~0.5g, versus 0.4g on the XMAX Starry 4. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Can I swap the batteries on the G Pen Hyer or the XMAX Starry 4?
XMAX Starry 4 uses 18650, so you can carry spares for back-to-back days. The G Pen Hyer has a built-in battery you can't swap on the go.
Which charges faster, the G Pen Hyer or the XMAX Starry 4?
G Pen Hyer fully charges in 2.5 - 3 hours, ahead of ~3 hours on the XMAX Starry 4.
Which is more discreet, the G Pen Hyer 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 G Pen Hyer is more conspicuous in hand and harder to keep out of sight.
Which has a wider temperature range, the G Pen Hyer or the XMAX Starry 4?
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, a wider band than the XMAX Starry 4 at 100℃-240℃ (212℉-464℉). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.