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Arctic MX-4 vs Thermal Grizzly KryoSheet: Comparison

Arctic MX-4 and Thermal Grizzly KryoSheet separate most on thermal conductivity: Arctic MX-4 at 8.5 W/mK, Thermal Grizzly KryoSheet at 40.7 W/mK, 79% in favour of Thermal Grizzly KryoSheet.

Specs

Specification
Arctic MX-4 (Carbon-Based/8.5 W/mK/Non-Conductive/Proven Budget Legacy Pick/98,000+ Positive Reviews)
Arctic MX-4
Thermal Grizzly KryoSheet (Graphene Pad/Conductive/Reusable/Commonly Cited ~40.7 W/mK)
Thermal Grizzly KryoSheet
Compound TypeCarbon-BasedGraphene Pad
BrandArcticThermal Grizzly
ModelArctic MX-4 , MX-4Thermal Grizzly KryoSheet , KryoSheet
Thermal Conductivity8.5 W/mK-79%40.7 W/mK
Electrical ConductivityInsulatingConductive
Package Size4g / 8g / 20g / 45g tubes24x12mm to 50x50mm sheets, 0.2mm thick
Recommended UseMainstream CPU/GPU (builds on a tight budget)High-end CPU/GPU (high-wattage GPUs especially)
Reapplication IntervalUp to 8 yearsReusable across multiple mounts
Safety NotesNoneElectrically conductive; keep clear of exposed board components
Pump-Out ResistanceMediumHigh
Paste SegmentStandard PastePad

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