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Arctic Silver 5 vs Thermal Grizzly Kryonaut Extreme: Comparison
Arctic Silver 5 and Thermal Grizzly Kryonaut Extreme separate most on thermal conductivity: Arctic Silver 5 at 8.9 W/mK, Thermal Grizzly Kryonaut Extreme at 14.2 W/mK, 37% in favour of Thermal Grizzly Kryonaut Extreme. They match on electrical conductivity and paste segment.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Compound Type | Metal-Based | Metal Oxide/Ceramic |
| Brand | Arctic Silver | Thermal Grizzly |
| Model | Arctic Silver 5 | Thermal Grizzly Kryonaut Extreme |
| Thermal Conductivity | 8.9 W/mK-37% | 14.2 W/mK |
| Electrical Conductivity | Insulating | Insulating |
| Package Size | 3.5g syringe (also 12g) | 1g, 2g, 5.55g/9g |
| Recommended Use | Mainstream CPU/GPU, High-end CPU/GPU | Extreme Overclocking, High-end CPU/GPU |
| Reapplication Interval | Periodic reapplication recommended due to curing/drying behavior | Not consistently published |
| Safety Notes | Requires ~200-hour burn-in period to reach rated performance | None |
| Curing | Burn-In Required | Non-Curing |
| Paste Segment | Standard Paste | Standard Paste |




