Price (USD)
XMAX OONT edgeG Pen Hyer
$150
XMAX OONT
$50
XMAX OONT is typically around $100 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Hyer
Grenco Science from $249.99
XMAX OONT
XMAX $50
G Pen Hyer and XMAX OONT are both portable / conduction vaporizers, but they target different priorities. XMAX OONT is usually the lower-cost pick at $50, around $100 below G Pen Hyer. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
25
Different Specs
21
Shared Specs
4
Overall Overlap
16%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Hyer
$150
XMAX OONT
$50
XMAX OONT is typically around $100 lower.
G Pen Hyer
Conduction
XMAX OONT
Conduction
Both devices use a similar heating approach.
Top specs where these two devices diverge.
Price (USD)
G Pen Hyer
$150
XMAX OONT
$50
Temperature Range
G Pen Hyer
180°C - 220°C dry herb, 250°C - 450°C concentrate
XMAX OONT
180℃-220℃ (356℉-428℉)
Battery Type
G Pen Hyer
External Battery Pack
XMAX OONT
Internal 18500
Battery Capacity
G Pen Hyer
6000mAh
XMAX OONT
1500mAh
Charge Time
G Pen Hyer
2.5 - 3 hours
XMAX OONT
~2 hours
Power Adjustment
G Pen Hyer
Digital Control - 5 Stage Modular
XMAX OONT
5 Preset Modes
Chamber Material
G Pen Hyer
Ceramic (dry herb tank), Quartz (concentrate tank)
XMAX OONT
Ceramic
Brand
G Pen Hyer
Grenco Science
XMAX OONT
XMAX
Release Date
G Pen Hyer
2022
XMAX OONT
2023
Current price
$249.99
at Slick Vapes
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.
Direct comparison of every spec from each device profile.
| Specification | G Pen Hyer | XMAX OONT |
|---|---|---|
| Price (USD) | $150 | $50 |
| Device Type | Portable | Portable |
| Heating Type | Conduction | Conduction |
| Heat Up Time | — | ~20 seconds |
| Temperature Range | 180°C - 220°C dry herb, 250°C - 450°C concentrate | 180℃-220℃ (356℉-428℉) |
| Chamber Capacity | ~0.5g | — |
| Battery Type | External Battery Pack | Internal 18500 |
| Battery Capacity | 6000mAh | 1500mAh |
| Battery Life | — | 12+ sessions |
| Charging | USB-C | USB-C |
| Charge Time | 2.5 - 3 hours | ~2 hours |
| Dimensions | — | 51.14 x 27.40 x 74.5mm |
| Power Adjustment | Digital Control - 5 Stage Modular | 5 Preset Modes |
| Chamber Material | Ceramic (dry herb tank), Quartz (concentrate tank) | Ceramic |
| Concentrate Support | Yes | — |
| Brand | Grenco Science | XMAX |
| Country of Manufacture | — | China |
| Display Type | LED Light User Interface | — |
| Haptic Feedback | No | — |
| Heating Element | Stainless Steel | — |
| Manufacturer | — | TopGreen Technology Co |
| Release Date | 2022 | 2023 |
| Replaceable Battery | — | No |
| Session Style | Session | Session |
| Warranty | — | 1 year |
The biggest practical difference is price tier: the XMAX OONT sits at $50 while the G Pen Hyer is $150, a gap of about $100 that puts them in different buying brackets.
XMAX OONT is the cheaper option at $50 compared with $150 for the G Pen Hyer, about $100 less. Live retailer pricing can shift, so confirm before buying.
G Pen Hyer controls heat with digital control - 5 stage modular, while the XMAX OONT uses 5 preset modes. G Pen Hyer gives you finer per-degree control.
XMAX OONT fully charges in ~2 hours, ahead of 2.5 - 3 hours on the G Pen Hyer.
XMAX OONT 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.
G Pen Hyer covers 180°C - 220°C dry herb, 250°C - 450°C concentrate, a wider band than the XMAX OONT at 180℃-220℃ (356℉-428℉). A wider range gives you more room to dial in flavor at the low end and big clouds at the top.
Across the 25 specs we line up, they share 4 and differ on 21, an overlap of about 16%. The differences are concentrated in the areas the spec table highlights with a marker.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.