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Arctic Silver 5 vs Thermal Grizzly KryoSheet: Comparison

Arctic Silver 5 and Thermal Grizzly KryoSheet separate most on thermal conductivity: Arctic Silver 5 at 8.9 W/mK, Thermal Grizzly KryoSheet at 40.7 W/mK, 78% in favour of Thermal Grizzly KryoSheet.

Arctic Silver 5 (Metal-Based/Non-Conductive/8.9 W/mK/200-Hour Cure Period)
ArcticArctic Silver 5
Thermal Grizzly KryoSheet (Graphene Pad/Conductive/Reusable/Commonly Cited ~40.7 W/mK)
Thermal GrizzlyThermal Grizzly KryoSheet

Specs

Specification
Arctic Silver 5 (Metal-Based/Non-Conductive/8.9 W/mK/200-Hour Cure Period)
Arctic Silver 5
Thermal Grizzly KryoSheet (Graphene Pad/Conductive/Reusable/Commonly Cited ~40.7 W/mK)
Thermal Grizzly KryoSheet
Compound TypeMetal-BasedGraphene Pad
BrandArctic SilverThermal Grizzly
ModelArctic Silver 5Thermal Grizzly KryoSheet , KryoSheet
Thermal Conductivity8.9 W/mK-78%40.7 W/mK
Electrical ConductivityInsulatingConductive
Package Size3.5g syringe (also 12g)24x12mm to 50x50mm sheets, 0.2mm thick
Recommended UseMainstream CPU/GPU, High-end CPU/GPUHigh-end CPU/GPU (high-wattage GPUs especially)
Reapplication IntervalPeriodic reapplication recommended due to curing/drying behaviorReusable across multiple mounts
Safety NotesRequires ~200-hour burn-in period to reach rated performanceElectrically conductive; keep clear of exposed board components
Pump-Out ResistanceMediumHigh
Paste SegmentStandard PastePad

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