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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
Arctic Silver 5 (Metal-Based/Non-Conductive/8.9 W/mK/200-Hour Cure Period)
Arctic Silver 5
Thermal Grizzly Kryonaut Extreme (Metal Oxide/Ceramic/Non-Conductive/14.2 W/mK/Paste-Safe Extreme OC)
Thermal Grizzly Kryonaut Extreme
Compound TypeMetal-BasedMetal Oxide/Ceramic
BrandArctic SilverThermal Grizzly
ModelArctic Silver 5Thermal Grizzly Kryonaut Extreme
Thermal Conductivity8.9 W/mK-37%14.2 W/mK
Electrical ConductivityInsulatingInsulating
Package Size3.5g syringe (also 12g)1g, 2g, 5.55g/9g
Recommended UseMainstream CPU/GPU, High-end CPU/GPUExtreme Overclocking, High-end CPU/GPU
Reapplication IntervalPeriodic reapplication recommended due to curing/drying behaviorNot consistently published
Safety NotesRequires ~200-hour burn-in period to reach rated performanceNone
CuringBurn-In RequiredNon-Curing
Paste SegmentStandard PasteStandard Paste

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