Price (USD)
G Pen Elite edgeG Pen Elite
$120
Hot Rod
$340
G Pen Elite is typically around $220 lower.
Vaporizer Comparison
Side-by-side specs, pricing context, and clear decision guidance.
G Pen Elite
Grenco Science $120
Hot Rod
Old Head $340
G Pen Elite and Hot Rod are both electronic vaporizers, but they target different priorities. G Pen Elite is usually the lower-cost pick at $120, around $220 below Hot Rod. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
21
Different Specs
21
Shared Specs
0
Overall Overlap
0%
Shared Traits
A quick snapshot of the specs people usually care about first.
G Pen Elite
$120
Hot Rod
$340
G Pen Elite is typically around $220 lower.
G Pen Elite
Conduction
Hot Rod
Convection
Heating style differs, which can impact flavor and extraction behavior.
Top specs where these two devices diverge.
Price (USD)
G Pen Elite
$120
Hot Rod
$340
Device Type
G Pen Elite
Portable
Hot Rod
Desktop
Heating Type
G Pen Elite
Conduction
Hot Rod
Convection
Temperature Range
G Pen Elite
93°C - 220°C (200°F - 428°F)
Hot Rod
N/A
Chamber Capacity
G Pen Elite
~0.25 - 0.75 grams
Hot Rod
~0.25g
Battery Type
G Pen Elite
Internal
Hot Rod
N/A
Charging
G Pen Elite
Micro-USB
Hot Rod
N/A
Power Adjustment
G Pen Elite
Digital Control
Hot Rod
Single Dial
Chamber Material
G Pen Elite
Ceramic
Hot Rod
Titanium
Brand
G Pen Elite
Grenco Science
Hot Rod
Old Head
Direct comparison of every spec from each device profile.
| Specification | G Pen Elite | Hot Rod |
|---|---|---|
| Price (USD) | $120 | $340 |
| Device Type | Portable | Desktop |
| Heating Type | Conduction | Convection |
| Heat Up Time | ~30 seconds | — |
| Temperature Range | 93°C - 220°C (200°F - 428°F) | N/A |
| Chamber Capacity | ~0.25 - 0.75 grams | ~0.25g |
| Battery Type | Internal | N/A |
| Battery Capacity | 2200mAh | — |
| Battery Life | 12-15 sessions | — |
| Charging | Micro-USB | N/A |
| Charge Time | <3 hours | — |
| Dimensions | 11.2cm x 3cm x 2.3cm | — |
| Weight | ~90 grams | — |
| Power Adjustment | Digital Control | Single Dial |
| Chamber Material | Ceramic | Titanium |
| Brand | Grenco Science | Old Head |
| Display Type | LED | — |
| Power Adapter | — | AC Power |
| Power Usage | — | 18W (peak 60W) |
| Release Date | 2016 | 2021 |
| Warranty | 1 year | — |
The biggest practical difference is price tier: the G Pen Elite sits at $120 while the Hot Rod is $340, a gap of about $220 that puts them in different buying brackets.
G Pen Elite is the cheaper option at $120 compared with $340 for the Hot Rod, about $220 less. Live retailer pricing can shift, so confirm before buying.
G Pen Elite uses conduction heating, while the Hot Rod uses convection. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
G Pen Elite has the larger chamber at ~0.25 - 0.75 grams, versus ~0.25g on the Hot Rod. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
G Pen Elite is the take-anywhere choice. It's a portable, battery-powered unit, while the Hot Rod is built for home use, where bigger heaters, AC power, and larger chambers make sense.
G Pen Elite controls heat with digital control, while the Hot Rod uses single dial. G Pen Elite gives you finer per-degree control.
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.